For trekkers seeking adventure and breathtaking vistas, summer is the perfect season to explore the world’s most stunning mountains. From rugged peaks to serene alpine trails, these nine mountains offer unforgettable experiences for hikers of all levels. Written with the summer of 2021 in mind, this guide highlights destinations that combine natural beauty, accessible trails, and unique cultural experiences, making them must-visit spots for your next trek.
1. Mont Blanc, France/Italy
Straddling the border of France and Italy, Mont Blanc is Western Europe’s highest peak at 4,810 meters. The Tour du Mont Blanc, a 170-km trail, circles the massif through three countries, offering views of glaciers, meadows, and charming alpine villages. Summer’s mild weather makes it ideal for trekking, with trails accessible from June to August.
Why Trek? Stunning alpine scenery and well-marked trails for all skill levels.
Tip: Start in Chamonix, France, and book mountain huts early for multi-day treks.
2. Mount Kilimanjaro, Tanzania
Africa’s highest peak at 5,895 meters, Mount Kilimanjaro is a bucket-list trek for adventurers. The Marangu or Machame routes are popular in summer (June-August), offering dry conditions and views of savannahs and snow-capped summits. The ascent requires no technical climbing, making it accessible for fit beginners.
Why Trek? Unique blend of ecosystems, from rainforest to arctic summit.
Tip: Acclimatize properly to avoid altitude sickness, and hire a reputable guide.
3. The Matterhorn, Switzerland/Italy
The Matterhorn (4,478 meters) is one of the Alps’ most iconic peaks, known for its pyramid shape. Summer treks like the Haute Route or shorter day hikes around Zermatt offer jaw-dropping views of this legendary mountain. Trails pass through wildflower meadows and glacier-fed valleys, perfect for July and August.
Why Trek? Dramatic scenery and a chance to explore Swiss alpine culture.
Tip: Stay in Zermatt for easy trail access, and check weather forecasts for clear views.
4. Mount Fuji, Japan
Japan’s sacred Mount Fuji (3,776 meters) is a summer pilgrimage for trekkers. The climbing season (July-August) offers stable weather for the Yoshida Trail, a non-technical ascent with sunrise views from the summit. Hike through volcanic landscapes and enjoy onsen (hot springs) post-trek.
Why Trek? Cultural significance and a rewarding summit experience.
Tip: Start your climb at night to reach the summit by dawn, and book mountain huts in advance.
5. Annapurna Circuit, Nepal
The Annapurna Circuit in the Himalayas is a trekker’s paradise, circling the Annapurna massif with peaks soaring above 8,000 meters. Summer (June-August) brings lush greenery to lower trails, though higher passes like Thorong La (5,416 meters) may see rain. The circuit offers teahouse stays and views of snow-capped peaks.
Why Trek? Diverse landscapes, from subtropical valleys to alpine passes.
Tip: Pack rain gear for monsoon showers, and allow 10-14 days for the full circuit.
6. Inca Trail to Machu Picchu, Peru
The Inca Trail leads to the ancient ruins of Machu Picchu, nestled in Peru’s Andes at 2,430 meters. This 43-km trek, best in the dry season (May-August), winds through cloud forests and Incan ruins, culminating in the Sun Gate’s view of Machu Picchu. Permits are limited, so plan ahead.
Why Trek? Combines archaeological wonders with Andean scenery.
Tip: Book permits 6 months in advance, and train for high-altitude hiking.
7. Mount Rainier, United States
Washington’s Mount Rainier (4,392 meters) is a Pacific Northwest gem, with summer wildflower blooms (July-August) enhancing trails like the Wonderland Trail. Day hikes to Skyline Trail at Paradise offer glacier views and meadows, while experienced trekkers can attempt the summit with a guide.
Why Trek? Accessible trails with diverse flora and dramatic volcanic vistas.
Tip: Visit Paradise Visitor Center for trail maps, and check for snow on higher routes.
8. Tongariro Alpine Crossing, New Zealand
New Zealand’s Tongariro Alpine Crossing (1,967 meters) is a 19.4-km day trek showcasing volcanic landscapes, emerald lakes, and active craters. Summer (December-February in the Southern Hemisphere) offers stable weather for this North Island adventure, often called one of the world’s best day hikes.
Why Trek? Otherworldly terrain featured in The Lord of the Rings.
Tip: Start early to avoid crowds, and bring layers for unpredictable weather.
9. Fitz Roy, Argentina
In Patagonia’s Los Glaciares National Park, Fitz Roy (3,405 meters) captivates with its jagged granite peaks. Summer (December-February) is ideal for trekking from El Chaltén to Laguna de los Tres, offering stunning views of Fitz Roy and glaciers. Trails range from moderate to challenging.
Why Trek? Remote, rugged beauty in one of the world’s wildest regions.
Tip: Base yourself in El Chaltén, and pack for variable weather even in summer.
Planning Your Summer Trek
Before embarking, research trail conditions, as summer weather varies by region (e.g., Nepal’s monsoon vs. Peru’s dry season). Invest in proper gear: sturdy hiking boots, breathable clothing, and a reliable backpack. Train for elevation and endurance, especially for high-altitude treks like Kilimanjaro or Annapurna. Always respect local regulations, hire guides where required, and prioritize safety.
Final Thoughts
These nine mountains offer trekkers a chance to witness nature’s grandeur, from the Alps’ iconic peaks to Patagonia’s wild frontiers. Whether you’re a novice or a seasoned hiker, summer 2021 is the perfect time to lace up your boots and explore these breathtaking destinations. Plan early, tread lightly, and let the mountains inspire your next adventure.




