4.6
(1395)
13,517
hikers
14
hikes
Hiking around Ornon offers access to a mountainous landscape characterized by high-altitude lakes, plateaus, and waterfalls. The region's terrain includes significant elevation changes, providing challenging routes for experienced hikers. Trails often lead through alpine environments, with views towards prominent mountain ranges like the Écrins.
Last updated: July 1, 2026
4.6
(44)
438
hikers
12.6km
05:22
750m
750m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.6
(20)
188
hikers
12.1km
05:39
820m
820m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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4.7
(35)
369
hikers
16.3km
07:01
910m
910m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.2
(17)
145
hikers
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
21
hikers
20.7km
09:47
1,420m
1,420m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Stay on the whole to preserve this jewel of nature
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Climbed by Ornon to have fewer people
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Magnificent 180° view of the Black Lakes and the Huez Valley in the background
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The hike to the lake is highly recommended and the view of the mountains and the lake is simply magnificent.
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A natural "bathtub" with cool and clear mountain water. This lagoon offers a place to cool off in hot temperatures.
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Breathtaking panoramic view. It's definitely worth a hike, even if it's a bit strenuous at times.😉
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Closed during the winter period
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Please note that no portion of the refuge is open during the winter period.
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Hiking around Ornon offers a mountainous landscape with significant elevation changes, high-altitude lakes, plateaus, and waterfalls. The trails primarily cater to experienced hikers seeking challenging routes and panoramic views, often towards the Écrins Mountains. The terrain is alpine, providing a rewarding experience for those looking for a strenuous adventure.
The hiking routes in Ornon are predominantly difficult, with a few moderate options. The region is characterized by challenging ascents and significant elevation gain, making it less suitable for easy, leisurely walks. Hikers should be prepared for strenuous conditions.
Hikes in Ornon vary in distance and duration, reflecting their challenging nature. For example, the Lac Fourchu – loop on the Plateau des Lacs is about 7.9 miles (12.6 km) and takes over 5 hours. Longer routes like the View of the Écrins Mountains – Lake Fourchu loop from Ornon can extend to over 12 miles (20 km) and require more than 9 hours to complete.
Yes, Ornon is known for its high-altitude lakes and waterfalls. A popular option is the Lake Fourchu – Mountain waterfall with lagoon loop from Ornon, which leads through varied mountain terrain to a waterfall and a lagoon. Many routes also explore the 'Plateau des Lacs', offering views of multiple alpine lakes.
Many of the challenging routes in Ornon offer panoramic views of the surrounding alpine scenery, including the prominent Écrins Mountains. The View of the Écrins Mountains – Mountain waterfall with lagoon loop from Ornon is specifically named for its vistas, and the longer View of the Écrins Mountains – Lake Fourchu loop from Ornon also provides extensive mountain panoramas.
Near Ornon, you can explore several mountain peaks and passes. Notable highlights include the Steven Rooks corner, Pas de la Confession (Altitude 1542 m), and the Le Taillefer summit. For mountain passes, consider the historic Ornon Pass or the challenging Alpe d'Huez Climb.
Yes, many of the popular hiking routes in Ornon are circular. Examples include the Lac Fourchu – loop on the Plateau des Lacs and the Lake Fourchu – Lake Fourchu loop from Ornon, both offering a complete circuit through the alpine landscape.
Given the challenging nature of the trails, with significant elevation changes and difficult grades, Ornon is generally more suited for experienced hikers. While some families with older, very fit children might enjoy the adventure, it is not typically recommended for young children or those seeking easy, family-friendly strolls.
Specific regulations regarding dogs on trails in Ornon are not detailed in the guide data. As a general rule in mountainous regions, dogs are often permitted on leash, but it's always best to check local signage or official park websites for any specific restrictions, especially in protected alpine areas.
The hiking routes in Ornon are highly rated by the komoot community, with an average score of 4.6 stars from over 1300 reviews. Hikers frequently praise the challenging ascents, the stunning panoramic views of the Écrins Mountains, and the beauty of the high-altitude lakes and waterfalls that define the region's alpine environment.
The best time to hike in Ornon is typically during the warmer months, from late spring to early autumn, when the alpine trails are free of snow and weather conditions are more stable. During winter, many routes may be inaccessible or require specialized equipment and experience due to snow and ice.
The guide data does not specify any permits required for general hiking in Ornon. However, for certain protected areas or specific activities, permits might be necessary. It is always advisable to check with local tourism offices or park authorities before your trip, especially if you plan to venture into very remote or sensitive areas.


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