4.4
(165)
2,066
hikers
17
hikes
Hiking around Clavans-En-Haut-Oisans, located in the French Alps, offers diverse terrain within the Isère department, at the foot of the Grandes Rousses massif and near the Écrins National Park. The region features high-mountain scenery, extensive alpine pastures, and verdant valleys. Notable natural features include glacial lakes such as Lac des Quirlies and the Ferrand valley with its waterfalls.
Last updated: May 10, 2026
4.9
(15)
206
hikers
14.7km
05:28
960m
960m
Hike the difficult Lac des Quirlies from Perron trail, gaining 3137 feet (956 metres) to a stunning glacial lake in Écrins National Park.
4.8
(5)
42
hikers
3.43km
01:01
100m
110m
Hike the easy 2.1-mile (3.4 km) Cascade de Pont Ferrand trail to discover impressive waterfalls and the unique Ferrand Bridge.

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1.0
(1)
2
hikers
6.22km
02:23
430m
430m
Hike the moderate La Croix de Cassini loop from Col de Sarenne for 360-degree panoramic views and a historical ridge walk.
9
hikers
7.81km
02:44
420m
420m
Hike the moderate 4.9-mile Col de Sarenne loop from Perron for panoramic views of the Écrins Massif and a tranquil alpine experience.
4.3
(4)
95
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Popular around Clavans-En-Haut-Oisans
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Mountain Hikes around Clavans-En-Haut-Oisans
The most beautiful hill to climb in these areas.
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Be careful of the clouds so as not to get lost. Very well marked. Be well equipped.
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From the Cassini Cross (2361 m) all efforts are rewarded by a unique panorama of the surrounding peaks and valleys. In fact, the Cross takes its name from the geographer Cassini who mapped this part of the Écrins massif in the 17th century from this summit.
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The hamlet of Perron is also known for its unique house leaning against a large rock.
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A peat bog is a wetland colonized by vegetation in a water-saturated environment. Due to this particularity, we find specific flora and fauna in these areas.
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There are over 15 hiking routes around Clavans-En-Haut-Oisans, catering to various skill levels. You'll find options from easy walks to more challenging ascents, ensuring there's a trail for every hiker.
The best time for hiking in Clavans-En-Haut-Oisans is generally from late spring to early autumn (June to September). During these months, the alpine pastures are vibrant, glacial lakes are accessible, and the weather is most favorable for exploring the high-mountain scenery. The region also hosts the 'Les Randonnées musicales du Ferrand' festival in late July, combining music with hiking.
Absolutely! The region is rich in natural beauty. You can explore the stunning Pic Blanc in the Grandes Rousses massif, offering challenging ascents and high-mountain landscapes. The Croix de Cassini provides magnificent 360° views over several massifs, including the Grandes Rousses, Belledonne, Taillefer, La Meije, and even Mont Blanc. The Pas de la Confession is another notable mountain pass.
Yes, glacial lakes are a highlight of the region. The Trail to Lac des Quirlies from Le Perron leads to what many consider the most beautiful lake in Oisans. Other notable lakes in the wider area include Lake Besson, Black Lake, and Lac du Chambon, which can be explored on easy walks with beautiful mountain views.
Yes, the Ferrand valley is known for its charming waterfalls. The Pont Ferrand Waterfall Trail is an easy path that offers access to a remarkable waterfall. A path beyond it also leads towards the Lac des Quirlies, with other cascades along the way. The loop of waterfalls starting from the Col de Sarenne also features multiple waterfalls.
Yes, there are several easy routes suitable for families. The Pont Ferrand Waterfall Trail is an easy 2.1-mile (3.4 km) path, often completed in about an hour, perfect for a family outing. The Emparis Plateau, near Besse-en-Oisans, also offers relatively easy walks amidst beautiful landscapes.
While many trails in the Oisans region are dog-friendly, especially outside of the core zone of the Écrins National Park, it's always best to keep dogs on a leash to protect local wildlife and livestock. Always check specific trail regulations, especially when entering protected areas, as rules can vary.
Yes, you can find several circular routes. The Croix de Cassini Loop from Col de Sarenne is a moderate 3.9-mile (6.2 km) path offering panoramic views. Another option is the Tour of Oisans and Écrins: Col de Sarenne Loop, which is a moderate 7.8-kilometer route.
The terrain in Clavans-En-Haut-Oisans is diverse, ranging from verdant valleys and extensive alpine pastures to high-mountain scenery with rocky paths. Elevation changes can be significant, especially on routes like the Trail to Lac des Quirlies from Le Perron, which involves over 950 meters of ascent. You'll find options from gentle slopes to challenging climbs.
Parking is generally available at key trailheads and popular starting points, such as near the Col de Sarenne or in the hamlets of Clavans-en-Haut-Oisans. For specific routes, it's advisable to check the route details on komoot, as many tours provide information on recommended starting points and parking facilities.
While public transport options might be limited directly within the small mountain village of Clavans-en-Haut-Oisans, regional bus services often connect larger towns in the Oisans valley. From these towns, you might be able to find local shuttles or taxis to reach specific trailheads. Planning ahead and checking local transport schedules is recommended.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 160 reviews. Hikers often praise the breathtaking high-mountain landscapes, the stunning glacial lakes like Lac des Quirlies, and the panoramic views from spots such as the Col de Sarenne and Croix de Cassini. The diversity of trails, from easy waterfall walks to challenging alpine ascents, is also frequently highlighted.
Yes, Clavans-en-Haut-Oisans is a key point on the GR54 long-distance hiking trail, also known as the Tour de l'Oisans and Écrins. This renowned trail offers an immersive experience through the heart of the Écrins National Park and the surrounding massifs, providing multi-day hiking opportunities for experienced trekkers.
The high-altitude natural spaces around Clavans-en-Haut-Oisans are home to diverse fauna. You might spot rock partridges around the Col de Sarenne, and ptarmigans in areas near the Grandes Rousses and Lac des Quirlies. Golden eagles have a nesting area in Clavans, and vultures are frequently seen in summer, contributing to the ecosystem. Keep an eye out for marmots and chamois in the alpine pastures.


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