4.5
(1222)
13,067
hikers
253
hikes
Hiking around Lac de l'Hongrin offers diverse landscapes within the Vaud Alps, characterized by mountainous terrain and superb mountain pastures. The region features the tranquil Lac de l'Hongrin reservoir, formed by an impressive dam, and provides grand panoramic views of surrounding peaks. Hikers can explore a mix of conifers and deciduous trees, with several waterfall hikes also present.
Last updated: May 13, 2026
4.0
(2)
24
hikers
9.12km
03:31
520m
520m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(2)
6
hikers
9.87km
03:05
350m
350m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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3
hikers
6.91km
02:12
260m
260m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
20
hikers
10.2km
03:31
490m
490m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.7
(3)
36
hikers
7.76km
02:52
460m
460m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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On this limestone plateau, the ground sculpted by water forms a vast lapies with spectacular reliefs. The cracks and rills create a mineral landscape typical of the Jura. From this point, the view of Mont d'Or and the Swiss mountains is striking.
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A wonderful part of Switzerland. Hardly any traffic or people, and good roads...pure nature!
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Beautiful viewpoint with a great view on Dent Du Midi
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The roads to get there are not in very good condition, but it is easy even by road bike. The surrounding panorama is magnificent. Double arch dam. Maximum height 123m. Length of the crowning 325m.
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The Sonlomont pass connects the Hongrin and Joux valleys. From the pass, you can enjoy a breathtaking view of Lake Hongrin and the Rochers de Naye.
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The Sonlomont pass is located between the Hongrin and Joux valleys, and offers a breathtaking view of the Hongrin lake and the Rochers de Naye. Enjoy the fresh air and alpine beauty of Col de Sonlomont!
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Probably not always possible during the week😕. Unfortunately the military stopped us 😝.
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Links Le Sépey to the Hongin Valley
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There are over 250 hiking routes to explore around Lac de l'Hongrin, catering to various skill levels. This includes approximately 48 easy trails, 148 moderate routes, and 60 more challenging treks.
The best time to visit for hiking is generally during weekends and holidays from June to September. During weekdays, access to certain areas around Lac de l'Hongrin can be restricted due to its designation as a military firing range.
Yes, the region offers several excellent circular hikes. Popular options include loops around the Hongrin Dam, such as the La Marmette – Lac de l'Hongrin loop from Le Croset, which offers splendid lake views. Another highly-rated option is the Lake Hongrin – Col de Sonlomont loop from Lac de l'Hongrin, providing varied terrain.
Hikers can enjoy grand panoramic views of the lake and surrounding peaks like Pointe-d'Aveneyre, Monts-Chevreuils, and Mont-d'Or. The impressive Hongrin Dam itself is a point of interest. The landscape features a mix of conifers and deciduous trees, offering vibrant colors, especially in autumn. Some trails also lead to eye-catching waterfalls.
While specific family-friendly routes are not detailed, the region offers a range of trails from easy walks under two hours with minimal elevation gain, which are generally suitable for families. It's advisable to check individual route details for suitability with children.
The Lac de l'Hongrin area is generally welcoming for dogs, but it's always recommended to keep them on a leash, especially in areas with livestock or wildlife. Please check specific trail regulations or local signage for any restrictions before heading out.
The hiking routes in Lac de l'Hongrin are highly rated by the komoot community, with an average score of 4.5 stars from over 1,200 reviews. Hikers often praise the stunning mountain pastures, the tranquil lake, and the diverse terrain that offers something for everyone.
Yes, for experienced trekkers, there are approximately 60 difficult routes available. These more strenuous treks can extend over five hours and involve significant elevation changes, offering a rewarding challenge amidst the Vaud Alps.
While the region is somewhat remote, some trailheads, like those starting from La Lécherette or Albeuve, may be accessible via local public transport. It's recommended to check local bus schedules and connections to these villages for the most up-to-date information.
Parking is typically available near popular starting points for loop hikes, such as those around the Hongrin Dam or in villages like Le Croset. For example, the Lapiaz and Mont d'Or – Le Moëllé loop from Gros Van starts from a location where parking might be available. Always look for designated parking areas.
Beyond the stunning mountain vistas and waterfalls, the diverse flora includes a mix of conifers and deciduous trees. Keep an eye out for unique fungi like the distinctive red and white Amanita muscaria (fly agaric) mushroom, which lives symbiotically with local trees.
The elevation gain varies significantly across the trails. Easy walks might have minimal gain, while moderate routes like the Lapiaz and Mont d'Or – Pierre du Moëllé Pass loop from Gros Van can involve around 460 meters of ascent. Difficult trails will feature even more substantial elevation changes.


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