A 100-mile mountain trek is more than a long hike—it is an adventure through some of the world’s most spectacular and challenging landscapes. From the rugged peaks of the Himalayas and Andes to the remote wilderness of the Rockies and Alps, these long-distance routes can take hikers through high passes, alpine valleys, forests, glaciers, and remote mountain communities.

For experienced hikers and adventure travelers, completing 100 miles on foot can be an unforgettable bucket-list achievement. Some routes can be completed in several days, while others require weeks of trekking, depending on terrain, elevation, weather, and the route chosen.

In this guide, we’ve rounded up 25 epic 100-mile mountain treks and extended mountain routes around the world, including destinations in North America, South America, Europe, Asia, and Africa. Before starting any long-distance trek, check current trail conditions, weather, permits, wildlife concerns, and local safety information.

Best Long-Distance Mountain Treks in North America

United States

John Muir Trail Extended Routes — California, USA

The John Muir Trail is one of the most spectacular long-distance hiking routes in the Sierra Nevada, passing through some of California’s most dramatic mountain wilderness. Extended itineraries can combine the classic trail with connecting wilderness routes, creating a longer adventure through granite peaks, alpine meadows, high passes, and remote backcountry. Trekkers encounter iconic landscapes around Yosemite, Kings Canyon, and Sequoia National Parks while traveling through high-elevation terrain. The combination of altitude, rugged passes, and limited services makes this a demanding multi-day wilderness trek.

Quick Facts: Location: California, USA | Difficulty: Challenging | Typical Duration: 3–4 weeks for extended itineraries | Maximum Elevation: Approximately 13,200 ft (4,020 m) | Trek Type: Long-Distance Mountain Trek | Best Season: July–September

Starting Point: Varies by extended route | Finish: Varies by extended route | Route: Yosemite region → Ansel Adams Wilderness → John Muir Wilderness → Kings Canyon → Mount Whitney region.

Where to Stay: Places to Stay: Yosemite Valley, Mammoth Lakes, Bishop, Lone Pine, and nearby Sierra Nevada communities. Most nights are spent backcountry camping, while hotels, lodges, campgrounds, and cabins are available before and after the trek.

High Sierra Trail & Extended Wilderness Routes — California, USA

The High Sierra Trail crosses the rugged southern Sierra Nevada from the foothills near Sequoia National Park toward the high country surrounding Mount Whitney. Extended wilderness itineraries can connect the trail with nearby backcountry routes, creating a longer adventure through deep canyons, alpine lakes, forests, and high mountain passes. The route includes significant elevation changes and reaches some of the highest terrain in the contiguous United States. Experienced backpackers can use connecting trails to explore a much larger section of the High Sierra.

Quick Facts: Location: California, USA | Difficulty: Challenging | Typical Duration: 5–10 days for extended routes | Maximum Elevation: Approximately 14,500 ft (4,420 m) depending on extensions | Trek Type: High-Elevation Wilderness Trek | Best Season: July–September

Starting Point: Crescent Meadow, Sequoia National Park | Finish: Mount Whitney region or connecting wilderness route | Route: Crescent Meadow → Kern Canyon → High Sierra → alpine wilderness → Mount Whitney region.

Where to Stay: Places to Stay: Three Rivers, Visalia, Lone Pine, and communities surrounding Sequoia National Park. Backcountry camping is the primary overnight option along the route, with campgrounds, hotels, cabins, and lodges near trailheads.

Wind River Range Extended Traverse — Wyoming, USA

The Wind River Range Extended Traverse crosses one of Wyoming’s most spectacular mountain landscapes, featuring rugged granite peaks, alpine lakes, glaciers, and expansive wilderness. Extended routes can connect sections of the range to create a challenging backcountry journey through remote terrain. Trekkers encounter the dramatic Cirque of the Towers, Titcomb Basin, and high passes surrounded by some of the tallest peaks in Wyoming. The remote nature of the Wind River Range means hikers need strong navigation, backpacking, and wilderness skills.

Quick Facts: Location: Wind River Range, Wyoming, USA | Difficulty: Challenging | Typical Duration: 7–14 days | Maximum Elevation: Approximately 13,800 ft (4,200 m) | Trek Type: Wilderness Mountain Traverse | Best Season: July–September

Starting Point: Varies by traverse | Finish: Varies by traverse | Route: Southern Wind River Range → Cirque of the Towers → central wilderness → Titcomb Basin → northern Wind River Range.

Where to Stay: Places to Stay: Pinedale, Lander, Dubois, and nearby Wyoming communities. Trekkers primarily use backcountry campsites, while campgrounds, cabins, lodges, and hotels are available in surrounding towns.

Colorado Trail — Colorado, USA

The Colorado Trail stretches across the Rocky Mountains between Denver and Durango, passing through forests, alpine meadows, high mountain passes, and dramatic valleys. The approximately 486-mile route provides a classic long-distance backpacking experience with extensive high-elevation terrain. Trekkers encounter changing landscapes ranging from dense evergreen forests to open alpine country and can connect with numerous wilderness areas along the way. The trail is generally completed as a multi-week backpacking adventure with resupply opportunities in communities near the route.

Quick Facts: Location: Colorado, USA | Difficulty: Challenging | Typical Duration: 4–6 weeks | Maximum Elevation: Approximately 13,271 ft (4,045 m) | Trek Type: Long-Distance Mountain Trek | Best Season: July–September

Starting Point: Denver | Finish: Durango | Route: Denver → Kenosha Pass → Collegiate Peaks → San Juan Mountains → Silverton → Durango.

Where to Stay: Places to Stay: Denver, Breckenridge, Buena Vista, Leadville, Salida, Silverton, and Durango. Backpackers primarily camp along the trail, with hotels, hostels, campgrounds, cabins, and lodges available in trail communities.

Continental Divide Trail Sections — Rocky Mountains, USA

The Continental Divide Trail follows the spine of the Rocky Mountains through some of the most remote wilderness in the United States. Rather than completing the entire trail, hikers can choose extended sections through Montana, Idaho, Wyoming, Colorado, and New Mexico. The landscape changes dramatically along the way, ranging from alpine peaks and forests to high desert and rugged mountain valleys. Long sections can provide weeks of wilderness travel with limited services and significant elevation changes.

Quick Facts: Location: Rocky Mountains, USA | Difficulty: Challenging | Typical Duration: 1–8+ weeks depending on section | Maximum Elevation: Approximately 14,270 ft (4,350 m) | Trek Type: Long-Distance Wilderness Trek | Best Season: June–September depending on section

Starting Point: Varies by section | Finish: Varies by section | Route: Montana → Idaho/Wyoming → Colorado → New Mexico, following or paralleling the Continental Divide.

Where to Stay: Places to Stay: Varies by section, including towns such as Helena, Butte, Jackson, Steamboat Springs, Salida, and Silver City. Most nights are spent camping, with hotels, hostels, cabins, campgrounds, and resupply accommodations available in trail communities.

Canada

Great Divide Trail — Canadian Rockies, Canada

The Great Divide Trail is an ambitious long-distance route following the spine of the Canadian Rockies from near the Montana border toward the Kakwa region of British Columbia. The route passes through spectacular mountain landscapes featuring alpine meadows, glaciers, forests, high passes, and remote wilderness. Many sections are rugged and undeveloped, requiring strong route-finding skills and careful preparation. The trail offers an exceptional multi-week wilderness experience for experienced backpackers seeking remote Canadian Rockies terrain.

Quick Facts: Location: Alberta and British Columbia, Canada | Difficulty: Very Challenging | Typical Duration: 6–10 weeks for a full-length journey | Maximum Elevation: Varies by section | Trek Type: Long-Distance Wilderness Trek | Best Season: July–September

Starting Point: Waterton Lakes National Park | Finish: Kakwa Provincial Park | Route: Waterton → Canadian Rockies → Banff region → Jasper region → northern British Columbia.

Where to Stay: Places to Stay: Waterton, Banff, Lake Louise, Jasper, and communities near the trail. Most of the route requires backcountry camping, while campgrounds, hostels, hotels, lodges, and cabins are available near accessible sections and resupply points.

Rockwall Trail & Extended Kootenay Routes — British Columbia, Canada

The Rockwall Trail is one of the signature multi-day hiking routes in the Canadian Rockies, passing beneath enormous limestone cliffs and through spectacular alpine terrain. Extended Kootenay routes can connect the Rockwall with additional trails to create longer wilderness adventures through British Columbia’s mountain landscapes. Trekkers encounter glaciers, waterfalls, alpine meadows, forests, and rugged mountain passes along the journey. The combination of dramatic scenery and high-elevation terrain makes the region particularly appealing for experienced backpackers.

Quick Facts: Location: Kootenay National Park, British Columbia, Canada | Difficulty: Challenging | Typical Duration: 3–7 days depending on extensions | Maximum Elevation: Approximately 8,000 ft (2,440 m) | Trek Type: Alpine Wilderness Trek | Best Season: July–September

Starting Point: Floe Lake or designated trailhead | Finish: Rockwall Trail exit or extended Kootenay route | Route: Floe Lake → Numa Pass → Rockwall Pass → Tumbling Pass → extended Kootenay trails.

Where to Stay: Places to Stay: Radium Hot Springs, Invermere, Banff, Lake Louise, and nearby communities. Backcountry campsites provide overnight options along the trail, while campgrounds, hotels, lodges, cabins, and resorts are available in surrounding areas.

Best Mountain Treks in South America

Argentina & Chile

Greater Patagonia Trail — Patagonia, Argentina & Chile

The Greater Patagonia Trail is a vast network of interconnected trekking and horse-riding routes through the remote landscapes of northern Patagonia. Rather than following one fixed trail, the network combines wilderness paths, mountain passes, valleys, lakes, rivers, and remote settlements across Argentina and Chile. Trekkers can experience rugged volcanic landscapes, forests, alpine terrain, and spectacular views of the Andes while traveling far beyond traditional tourist routes. The remote nature of many sections makes navigation, resupply planning, and wilderness experience especially important.

Quick Facts: Location: Patagonia, Argentina & Chile | Difficulty: Challenging to Very Challenging | Typical Duration: 2–8+ weeks depending on itinerary | Maximum Elevation: Varies by route | Trek Type: Long-Distance Wilderness Network | Best Season: November–April

Starting Point: Varies by route | Finish: Varies by route | Route: Patagonian Andes → remote valleys → mountain passes → lakes and rivers → Argentina–Chile border regions.

Where to Stay: Places to Stay: Bariloche, San Martín de los Andes, Villa La Angostura, Pucón, and smaller Patagonian communities. Trekkers primarily camp in remote sections, with refugios, guesthouses, hostels, cabins, and lodges available near towns and established trail areas.

Torres del Paine Extended Circuit Routes — Chile

Torres del Paine extended circuit routes allow experienced trekkers to explore beyond the classic W Trek and O Circuit through the spectacular wilderness of southern Patagonia. Longer itineraries can combine established trails with additional backcountry sections around the Paine Massif, glaciers, valleys, lakes, and mountain passes. The landscape includes iconic granite peaks, turquoise lakes, forests, and portions of the Southern Patagonian Ice Field. Extended routes require careful planning because weather, trail conditions, access restrictions, and overnight options can vary considerably.

Quick Facts: Location: Torres del Paine, Patagonia, Chile | Difficulty: Challenging to Very Challenging | Typical Duration: 8–14 days depending on itinerary | Maximum Elevation: Approximately 4,000 ft (1,220 m) | Trek Type: Extended Wilderness Circuit | Best Season: November–March

Starting Point: Varies by itinerary | Finish: Varies by itinerary | Route: Torres del Paine → Paine Massif → Grey Glacier → John Gardner Pass → French Valley → Base Torres → extended wilderness sections.

Where to Stay: Places to Stay: Puerto Natales, Torres del Paine, and nearby Patagonian communities. Designated campsites and refugios provide overnight options along established sections, while hotels, hostels, lodges, and guesthouses are available in Puerto Natales.

Patagonian Andes Extended Treks — Argentina & Chile

The Patagonian Andes offer numerous opportunities to combine individual trails into extended trekking adventures across the mountain landscapes of Argentina and Chile. Routes can connect national parks, alpine valleys, glacial lakes, forests, mountain passes, and remote wilderness areas along the Andes. Trekkers may encounter dramatic peaks, glaciers, volcanic landscapes, and some of the most isolated scenery in southern South America. Because these are itinerary-based adventures rather than one standardized trail, distances and difficulty vary significantly between routes.

Quick Facts: Location: Patagonia, Argentina & Chile | Difficulty: Challenging to Very Challenging | Typical Duration: 1–6+ weeks depending on route | Maximum Elevation: Varies by itinerary | Trek Type: Long-Distance Mountain Trek | Best Season: November–April

Starting Point: Varies by route | Finish: Varies by route | Route: Patagonian Andes → Argentina → Chile → alpine valleys → glaciers → forests → mountain passes.

Where to Stay: Places to Stay: Bariloche, El Chaltén, El Calafate, Puerto Natales, Coyhaique, and other Patagonian communities. Most remote sections involve camping, while refugios, hostels, hotels, cabins, and mountain lodges are available around established trekking centers.

Peru

Cordillera Blanca Extended Trekking Routes — Peru

The Cordillera Blanca contains some of the highest and most dramatic mountain landscapes in Peru, with extensive opportunities for multi-day and extended trekking. Longer itineraries can combine established routes around the range, passing through high alpine valleys, glacial lakes, remote villages, and mountain passes. The scenery includes snow-covered peaks, glaciers, turquoise lakes, and rugged Andean landscapes. High altitude is one of the primary challenges, so gradual acclimatization is important before undertaking extended routes.

Quick Facts: Location: Ancash, Peru | Difficulty: Challenging to Very Challenging | Typical Duration: 1–4 weeks depending on itinerary | Maximum Elevation: Approximately 17,000 ft (5,180 m) or higher on selected passes | Trek Type: High-Altitude Mountain Trek | Best Season: May–September

Starting Point: Huaraz or nearby trailheads | Finish: Varies by route | Route: Huaraz → Cordillera Blanca valleys → high mountain passes → alpine lakes → remote Andean communities.

Where to Stay: Places to Stay: Huaraz, Caraz, Yungay, and mountain villages throughout the region. Trekkers generally camp along extended routes, while hostels, hotels, guesthouses, refugios, and mountain lodges are available in Huaraz and surrounding communities.

Vilcabamba Mountain Trekking Routes — Peru

The Vilcabamba Mountains offer remote trekking through rugged Andean terrain west and northwest of the Cusco region. Routes can pass through high mountain valleys, cloud forests, remote villages, and archaeological landscapes while providing a quieter alternative to Peru’s busiest trekking corridors. Extended itineraries combine steep mountain terrain with dramatic changes in vegetation and elevation. The remoteness of many routes means trekkers should be prepared for limited services and challenging navigation.

Quick Facts: Location: Vilcabamba, Cusco Region, Peru | Difficulty: Challenging | Typical Duration: 4–10 days depending on route | Maximum Elevation: Varies by route | Trek Type: Remote Mountain and Wilderness Trek | Best Season: May–September

Starting Point: Varies by route | Finish: Varies by route | Route: Vilcabamba region → high Andean valleys → mountain passes → cloud forests → remote communities and archaeological areas.

Where to Stay: Places to Stay: Cusco, Vilcabamba, and small communities along individual routes. Most extended treks require camping, while guesthouses, lodges, hostels, and small hotels are available in Cusco and accessible villages.

Best Mountain Treks in Europe

France

GR10 Pyrenees — France

The GR10 is a legendary long-distance trail crossing the French Pyrenees from the Atlantic coast to the Mediterranean Sea. The route travels through dramatic mountain valleys, dense forests, high passes, alpine meadows, and traditional villages while showcasing the diverse landscapes of southern France. Trekkers encounter rugged peaks, remote wilderness, mountain lakes, and spectacular views along the approximately 900 km journey. Completing the full trail is a major multi-week undertaking, while individual sections can be tackled as shorter adventures.

Quick Facts: Location: French Pyrenees, France | Difficulty: Challenging | Typical Duration: 45–60 days | Maximum Elevation: Approximately 8,500 ft (2,600 m) | Trek Type: Long-Distance Mountain Trek | Best Season: June–September

Starting Point: Hendaye | Finish: Banyuls-sur-Mer | Route: Atlantic coast → Pyrenean valleys → high mountain passes → central Pyrenees → Mediterranean coast.

Where to Stay: Places to Stay: Hendaye, Saint-Jean-Pied-de-Port, Cauterets, Gavarnie, Bagnères-de-Luchon, and Banyuls-sur-Mer. Trekkers can use mountain refuges, gîtes, campsites, and designated camping areas, with hotels and guesthouses available in villages along the route.

Spain

GR11 Pyrenean Traverse — Spain

The GR11, also known as the Senda Pirenaica, crosses the Spanish side of the Pyrenees between the Atlantic and Mediterranean coasts. The route passes through rugged valleys, high mountain passes, alpine lakes, forests, and spectacular national park landscapes. Compared with the French GR10, the GR11 frequently travels through more remote high-altitude terrain and provides extensive views across the Spanish Pyrenees. The full traverse is a demanding multi-week adventure, although individual sections can be completed independently.

Quick Facts: Location: Spanish Pyrenees, Spain | Difficulty: Challenging | Typical Duration: 40–50 days | Maximum Elevation: Approximately 8,500 ft (2,600 m) | Trek Type: Long-Distance Mountain Trek | Best Season: June–September

Starting Point: Cape Higuer or nearby Atlantic trailhead | Finish: Cap de Creus | Route: Atlantic coast → Navarre → Aragón → Catalonia → Mediterranean coast.

Where to Stay: Places to Stay: Pamplona, Jaca, Benasque, Vielha, Puigcerdà, and coastal communities near the trail. Mountain refuges, hostels, campsites, guesthouses, and small hotels provide overnight options along different sections.

Italy

Alta Via Extended Routes — Italian Alps/Dolomites, Italy

The Alta Via routes form a collection of spectacular high-altitude trekking paths through the Italian Alps, with some of the most famous routes located in the Dolomites. Extended itineraries can combine sections of established Alta Via trails with connecting mountain paths, creating longer adventures through dramatic limestone peaks, alpine meadows, forests, and deep valleys. Trekkers can experience distinctive rock formations, mountain passes, and panoramic views across northern Italy. Mountain refuges make the region particularly well suited to hut-to-hut trekking.

Quick Facts: Location: Italian Alps and Dolomites, Italy | Difficulty: Moderate to Challenging | Typical Duration: 1–3 weeks depending on route | Maximum Elevation: Varies by itinerary | Trek Type: Alpine Long-Distance Trek | Best Season: June–September

Starting Point: Varies by route | Finish: Varies by route | Route: Dolomites → alpine valleys → mountain passes → high plateaus → extended Italian Alpine routes.

Where to Stay: Places to Stay: Cortina d’Ampezzo, Dobbiaco, Canazei, Bolzano, and other Alpine communities. Mountain rifugi provide overnight accommodation along many routes, while hotels, guesthouses, campsites, and apartments are available in nearby towns.

Switzerland

Via Alpina Extended Routes — Swiss Alps, Switzerland

The Via Alpina network crosses some of Switzerland’s most spectacular Alpine landscapes, connecting mountain valleys, villages, high passes, and famous peaks. Extended itineraries can link multiple sections to create a longer journey through forests, alpine meadows, glaciers, and rugged mountain terrain. Trekkers experience a mixture of remote wilderness and traditional Swiss mountain communities, with frequent opportunities to resupply along the way. The extensive hut network also makes multi-day and multi-week trekking practical without carrying camping equipment for every night.

Quick Facts: Location: Swiss Alps, Switzerland | Difficulty: Moderate to Challenging | Typical Duration: 2–6 weeks depending on itinerary | Maximum Elevation: Varies by route | Trek Type: Alpine Long-Distance Trek | Best Season: June–September

Starting Point: Varies by route | Finish: Varies by route | Route: Swiss Alps → mountain valleys → high passes → alpine villages → extended Via Alpina sections.

Where to Stay: Places to Stay: Interlaken, Grindelwald, Zermatt, Engelberg, and other Swiss Alpine communities. Mountain huts, hotels, guesthouses, hostels, campsites, and mountain lodges provide numerous accommodation options.

Austria

Alpine Long-Distance Trail Routes — Austrian Alps, Austria

Austria offers an extensive network of long-distance Alpine trails connecting high mountain valleys, traditional villages, forests, and dramatic peaks. Extended routes can combine several established trails to create multi-week journeys through the Tyrol, Salzburg, and other Alpine regions. Trekkers encounter glaciers, alpine meadows, rocky passes, waterfalls, and panoramic mountain landscapes. A well-developed network of mountain huts makes hut-to-hut trekking one of the region’s most popular ways to complete extended routes.

Quick Facts: Location: Austrian Alps, Austria | Difficulty: Moderate to Challenging | Typical Duration: 1–4 weeks depending on route | Maximum Elevation: Varies by trail | Trek Type: Alpine Long-Distance Trek | Best Season: June–September

Starting Point: Varies by route | Finish: Varies by route | Route: Tyrol → Salzburg Alps → high mountain passes → alpine valleys → Austrian mountain communities.

Where to Stay: Places to Stay: Innsbruck, Mayrhofen, Kitzbühel, Zell am See, and other Alpine towns. Mountain huts and refuges provide overnight accommodation along many routes, while hotels, guesthouses, campsites, and lodges are available in nearby communities.

Norway

Jotunheimen Extended Mountain Routes — Norway

Jotunheimen is one of Norway’s premier mountain trekking regions, featuring rugged peaks, glaciers, deep valleys, and crystal-clear mountain lakes. Extended routes can connect several trails through Jotunheimen National Park and surrounding wilderness areas, creating multi-day adventures across dramatic Scandinavian terrain. Trekkers can experience famous mountains such as Galdhøpiggen and Glittertind while traveling through remote valleys and high mountain passes. Norway’s network of staffed and self-service mountain huts makes longer trekking journeys particularly accessible.

Quick Facts: Location: Jotunheimen, Norway | Difficulty: Moderate to Challenging | Typical Duration: 5–14 days | Maximum Elevation: Approximately 8,100 ft (2,469 m) | Trek Type: High-Mountain Wilderness Trek | Best Season: July–September

Starting Point: Varies by route | Finish: Varies by route | Route: Jotunheimen → mountain valleys → high passes → alpine lakes → Galdhøpiggen and surrounding wilderness.

Where to Stay: Places to Stay: Lom, Vågå, Beitostølen, and nearby mountain communities. Norway’s mountain huts provide popular overnight options, while campgrounds, cabins, hotels, and guesthouses are available near major trailheads.

Scotland

Scottish Highlands Long-Distance Routes — Scotland

The Scottish Highlands offer a network of long-distance trails through rugged mountains, glens, lochs, moorlands, forests, and remote coastal landscapes. Extended itineraries can combine established routes such as the West Highland Way with connecting trails to create longer Highland adventures. Trekkers encounter dramatic scenery, historic landscapes, isolated valleys, and traditional Scottish villages along the way. The region’s relatively accessible trail network makes it possible to create journeys ranging from several days to multiple weeks.

Quick Facts: Location: Scottish Highlands, Scotland | Difficulty: Moderate to Challenging | Typical Duration: 1–4 weeks depending on itinerary | Maximum Elevation: Varies by route | Trek Type: Long-Distance Highland Trek | Best Season: May–September

Starting Point: Varies by route | Finish: Varies by route | Route: Scottish Highlands → Loch Lomond → Glen Coe → Fort William → Cairngorms and extended Highland routes.

Where to Stay: Places to Stay: Glasgow, Fort William, Aviemore, Inverness, and Highland villages along the routes. Trekkers can choose from campsites, bothies where available, hostels, guesthouses, inns, hotels, and mountain lodges.

Best Mountain Treks in Asia

Nepal

Great Himalaya Trail — Nepal

The Great Himalaya Trail is an extensive network of trekking routes crossing the Himalayan mountains of Nepal from east to west. The route passes through some of the world’s highest mountain landscapes, including remote valleys, high passes, alpine meadows, glaciers, and traditional Himalayan villages. Trekkers can encounter dramatic views of the Himalayas while traveling through areas ranging from lower foothills to extreme high-altitude terrain. Because the trail consists of multiple sections and route variations, itineraries can range from several weeks to months.

Quick Facts: Location: Nepal Himalaya, Nepal | Difficulty: Challenging to Very Challenging | Typical Duration: 4–12+ weeks depending on route | Maximum Elevation: Varies by route, with some passes exceeding 18,000 ft (5,500 m) | Trek Type: Long-Distance Himalayan Trek | Best Season: March–May and October–November

Starting Point: Varies by itinerary | Finish: Varies by itinerary | Route: Eastern Nepal → high Himalayan valleys → remote mountain passes → central Himalaya → western Nepal.

Where to Stay: Places to Stay: Kathmandu, Lukla, Namche Bazaar, Pokhara, and villages along individual routes. Trekkers can use teahouses, lodges, guesthouses, and designated camping areas, with remote sections requiring camping and carried supplies.

India

Himalayan Long-Distance Trekking Routes — India

India’s Himalayas contain numerous long-distance trekking opportunities across regions including Ladakh, Himachal Pradesh, Uttarakhand, Sikkim, and Jammu and Kashmir. Extended itineraries can connect mountain valleys, high passes, alpine lakes, forests, glaciers, and remote Himalayan villages. The scenery ranges from dry high-altitude desert in Ladakh to heavily forested mountain terrain farther east. Difficulty varies considerably by region, with some routes reaching elevations above 17,000 feet.

Quick Facts: Location: Indian Himalayas, India | Difficulty: Moderate to Very Challenging | Typical Duration: 5 days–4+ weeks depending on route | Maximum Elevation: Varies by route, with some passes exceeding 18,000 ft (5,500 m) | Trek Type: High-Altitude Mountain Trek | Best Season: May–October depending on region

Starting Point: Varies by route | Finish: Varies by route | Route: Ladakh → Himachal Pradesh → Uttarakhand → Sikkim → extended Himalayan routes.

Where to Stay: Places to Stay: Leh, Manali, Shimla, Dehradun, Rishikesh, Gangtok, and mountain villages. Trekkers can use guesthouses, homestays, mountain lodges, campsites, and trekking camps depending on the region.

Japan

Japanese Alps Extended Mountain Routes — Japan

The Japanese Alps offer a diverse network of mountain trails through rugged peaks, deep valleys, forests, alpine meadows, and traditional mountain communities. Extended itineraries can connect multiple trails in the Northern, Central, and Southern Japanese Alps for longer high-country adventures. Trekkers can encounter dramatic ridgelines, volcanic landscapes, waterfalls, and spectacular views across Honshu. Mountain huts are widespread on popular routes, making hut-to-hut trekking a practical option during the main hiking season.

Quick Facts: Location: Japanese Alps, Japan | Difficulty: Moderate to Challenging | Typical Duration: 5–14 days depending on itinerary | Maximum Elevation: Approximately 10,476 ft (3,193 m) at Mount Hotaka-area peaks | Trek Type: Alpine Mountain Trek | Best Season: July–October

Starting Point: Varies by route | Finish: Varies by route | Route: Northern Alps → Central Alps → Southern Alps → alpine ridges, valleys, and mountain passes.

Where to Stay: Places to Stay: Matsumoto, Takayama, Nagano, Kamikochi, and other mountain communities. Trekkers can use mountain huts, campsites, ryokan, hotels, and guesthouses depending on the route.

Kyrgyzstan

Tien Shan Mountain Trekking Routes — Kyrgyzstan

Kyrgyzstan’s Tien Shan Mountains provide vast opportunities for remote long-distance trekking through high valleys, alpine lakes, glaciers, and rugged mountain passes. Extended routes can explore areas around Issyk-Kul, Ala-Archa, Karakol, and the central Tien Shan, with dramatic scenery throughout the region. Trekkers often travel through sparsely populated landscapes where traditional yurts and nomadic communities provide a glimpse into the country’s mountain culture. Many routes require camping and careful planning because services can be limited far from towns.

Quick Facts: Location: Tien Shan Mountains, Kyrgyzstan | Difficulty: Challenging | Typical Duration: 5–21 days depending on route | Maximum Elevation: Varies by route, with some passes exceeding 14,000 ft (4,300 m) | Trek Type: High-Altitude Wilderness Trek | Best Season: June–September

Starting Point: Varies by route | Finish: Varies by route | Route: Bishkek/Karakol region → alpine valleys → high mountain passes → glaciers → remote Tien Shan wilderness.

Where to Stay: Places to Stay: Bishkek, Karakol, Cholpon-Ata, and mountain villages. Trekkers can use guesthouses, homestays, yurts, mountain camps, and backcountry campsites, with camping generally required on remote sections.

Best Mountain Treks in Africa

Morocco

Atlas Mountains Extended Trekking Routes — Morocco

The Atlas Mountains offer an extensive network of trekking routes through some of Morocco’s most dramatic mountain landscapes. Extended itineraries can connect high valleys, remote Berber villages, mountain passes, rocky plateaus, and alpine terrain across the High Atlas. Trekkers can experience spectacular views of peaks including Mount Toubkal while traveling through landscapes that change from fertile valleys to rugged high mountains. Longer routes provide opportunities to explore quieter areas beyond the most popular trails and can combine village stays with wilderness camping.

Quick Facts: Location: Atlas Mountains, Morocco | Difficulty: Moderate to Challenging | Typical Duration: 5–14 days depending on route | Maximum Elevation: Approximately 13,671 ft (4,167 m) at Mount Toubkal | Trek Type: Long-Distance Mountain Trek | Best Season: April–June and September–October

Starting Point: Varies by route | Finish: Varies by route | Route: High Atlas → mountain valleys → Berber villages → high passes → Mount Toubkal region → extended mountain routes.

Where to Stay: Places to Stay: Marrakech, Imlil, Aroumd, Ouirgane, and mountain villages throughout the Atlas. Trekkers can use mountain refuges, guesthouses, village homestays, gîtes, and campsites, with camping commonly used on remote sections.

South Africa

Drakensberg Extended Mountain Routes — South Africa

The Drakensberg offers spectacular long-distance trekking through South Africa’s highest mountain range, with dramatic cliffs, high plateaus, valleys, waterfalls, and expansive grasslands. Extended routes can connect trails across the northern, central, and southern Drakensberg, creating multi-day wilderness adventures. Trekkers encounter striking landscapes including the Amphitheatre, Cathedral Peak, Giant’s Castle, and remote high-altitude terrain. Routes vary from established paths to more challenging wilderness sections, making careful planning important for longer journeys.

Quick Facts: Location: Drakensberg, South Africa | Difficulty: Moderate to Very Challenging | Typical Duration: 4–14 days depending on route | Maximum Elevation: Approximately 11,423 ft (3,482 m) | Trek Type: Long-Distance Mountain Trek | Best Season: April–September

Starting Point: Varies by route | Finish: Varies by route | Route: Northern Drakensberg → Amphitheatre → Central Drakensberg → Cathedral Peak → Southern Drakensberg.

Where to Stay: Places to Stay: Underberg, Bergville, Winterton, Champagne Valley, and nearby mountain communities. Trekkers can use designated campsites, mountain huts, lodges, and backcountry camping areas, while hotels, guesthouses, and resorts are available outside the wilderness areas.

Conclusion

A 100-mile mountain trek offers the chance to experience the mountains at a completely different pace. Instead of simply visiting a destination, trekkers spend days immersed in wilderness, crossing mountain passes, exploring remote valleys, and experiencing landscapes that are often inaccessible by road.

Whether you’re drawn to the Himalayas, Patagonia, the Alps, the Rockies, or the Atlas Mountains, these routes provide plenty of inspiration for your next major adventure. The key is preparation: build your endurance, research the terrain and elevation, understand resupply options, pack appropriately, and allow enough time for changing mountain conditions.

For adventure travelers looking for a serious challenge, a 100-mile mountain trek can become one of the ultimate bucket-list hiking experiences.

FAQ

What is a 100-mile mountain trek?

A 100-mile mountain trek is a long-distance hiking or backpacking adventure covering approximately 100 miles through mountainous terrain. Depending on the route, it may take several days or multiple weeks to complete.

How long does it take to hike 100 miles?

The time required varies considerably. An experienced backpacker might cover roughly 10–20 miles per day on suitable terrain, while steep elevation, difficult conditions, heavy packs, and altitude can significantly reduce daily mileage.

What is the hardest part of a 100-mile trek?

The biggest challenges can include sustained elevation gain, rugged terrain, weather changes, navigation, carrying equipment, limited resupply opportunities, and the physical and mental demands of hiking for multiple consecutive days.

Do you need to be an experienced hiker for a 100-mile trek?

Experience is highly recommended. Before attempting a 100-mile mountain route, hikers should be comfortable with multi-day backpacking, navigation, changing weather, elevation gain, and carrying a loaded backpack.

What should you pack for a 100-mile mountain trek?

Typical equipment includes appropriate hiking footwear, a backpack, shelter, sleeping system, layered clothing, food, water-treatment equipment, navigation tools, first-aid supplies, emergency communication equipment, and weather-appropriate gear.

Are 100-mile mountain treks dangerous?

Mountain trekking carries inherent risks, including falls, hypothermia, heat illness, altitude-related problems, storms, wildlife encounters, navigation errors, and injuries. Conditions vary by destination, so hikers should research the specific route and check current local advisories before departure.

What is the best season for a 100-mile mountain trek?

The best season depends on the destination. Many high-elevation routes are most accessible during their local summer, while some lower-elevation mountain trails can have longer trekking seasons. Always check seasonal snow, monsoon, wildfire, heat, and weather conditions before planning a trip.

Can beginners hike 100 miles?

A beginner may eventually work toward a 100-mile trek, but attempting a difficult mountain route without preparation can be risky. Building mileage gradually and gaining experience with shorter overnight and multi-day backpacking trips is a better way to prepare.

What makes a 100-mile trek different from a normal hike?

Distance, cumulative elevation, consecutive hiking days, logistics, navigation, and carrying supplies make a 100-mile trek substantially different from a typical day hike. The experience is as much about endurance and preparation as it is about scenery.

Are all 100-mile mountain treks exactly 100 miles?

No. Some routes are officially close to 100 miles, while others are longer trail systems or extended variations that can be combined into 100-mile or greater adventures. Always verify the official route distance before planning your itinerary.