4.5
(455)
4,179
hikers
159
hikes
Hiking around Alos offers access to the diverse and dramatic landscapes of the French Pyrenees, specifically within the Couserans region. The terrain features a mix of forests, lush valleys, ridgelines, and granite peaks, characteristic of the Pyrenees-Ariégeoises Regional Natural Park. Glacial lakes such as Étang d'Ayes and Lac Bethmale are prominent natural features, alongside high-altitude pastures. This area provides a comprehensive network of trails for various hiking experiences.
Last updated: May 5, 2026
4.7
(17)
102
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.8
(11)
94
hikers
8.53km
04:21
690m
690m
Hike to the picturesque Lake Eychelle from Col de la Core, covering 5.3 miles (8.5 km) with 2264 feet (690 metres) of elevation gain.

Sign up for free
4.8
(25)
263
hikers
15.1km
05:29
770m
770m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(11)
97
hikers
16.2km
06:37
950m
950m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.1
(7)
66
hikers
8.39km
02:53
400m
400m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
An emblematic pass in the Couserans, popular with cycle tourists and hikers, it offers a superb panorama of the mountains and valleys.
0
0
Going over the Col d'Auedole is to treat yourself to a pretty sight. You will see the richness of flora and fauna with superb flowers, mushrooms, insects, reptiles and birds. On a larger scale, the panoramas open wide in front of you and show you all the beauty of the Pyrenees.
0
0
The Eychelle pond is a mountain lake located at 1893 meters above sea level, accessible either via the Col de la Core or from the Col de Auedole on the GR10.
0
0
The Col de la Core, at 1,395 meters above sea level, is part of both the pass route and the GR10 which cross the Pyrenees from the Atlantic to the Mediterranean.
0
0
Access to the lake is either via the Auèdole pass or via the Campuls circus (at the end of a track) for those who wish to walk a little less.
0
0
Pretty pass on the GR 10 allowing access to the Ayes pond to the southwest and the Eychelle pond to the southeast.
1
0
The Alos region offers a comprehensive network of over 160 marked hiking trails, catering to various fitness levels and preferences. This extensive network is part of the 3,200 km of trails maintained in the wider Couserans region.
Hiking around Alos provides access to the diverse and dramatic landscapes of the French Pyrenees. You can expect a mix of dense forests, lush valleys, scenic ridgelines, and granite peaks. The area is also characterized by high-altitude pastures and numerous glacial lakes.
Alos offers a wide range of trails suitable for various abilities. There are over 40 easy routes for gentle strolls, more than 80 moderate trails for those seeking a bit more challenge, and over 30 difficult routes for experienced hikers looking for alpine adventures.
The Pyrenees region around Alos is generally best for hiking from late spring to early autumn (May to October), when the weather is milder and trails are clear of snow. During these months, you can fully enjoy the lush landscapes, glacial lakes, and panoramic views.
Yes, the Alos area features several rewarding circular routes. A popular option is the Ayes Pond – Lake Bethmale loop from Étang de Bethmale, which is a 9.6-mile (15.4 km) trail leading through picturesque glacial ponds. Another is the Étang de Bethmale – Lake Bethmale loop from Étang de Bethmale, a moderate 8.4-mile (8.4 km) route.
Absolutely. The region is renowned for its beautiful glacial lakes. Many trails lead to destinations like Ayes Pond, Lake Bethmale, and Étang d'Eychelle. For example, the Etang d'Ayes hike starts from Lac Bethmale and takes you through the Réserve domaniale du mont Valier, featuring stunning glacial lakes.
While specific family-friendly routes are not detailed, the presence of over 40 easy trails suggests many options suitable for families. These easier paths often wind through forests and offer gentle gradients, allowing for enjoyable outings with children. The diverse terrain ensures there's something for all ages.
The Pyrenees-Ariégeoises Regional Natural Park generally welcomes dogs, but rules can vary depending on the specific area or nature reserve. It's always best to keep dogs on a leash, especially in areas with grazing livestock or protected wildlife. Check local signage for any specific restrictions on individual trails.
The Alos region offers numerous scenic viewpoints and natural landmarks. From peaks like the Pic de la Quère, you can admire vast panoramas of the Ariège Pyrenees. The Core Pass (Col de la Core) is another notable point, offering superb mountain and valley views. You might also encounter traditional shepherd's huts, such as the one on the Lake Eychelle and Eychelle Hut Trail, providing a glimpse into the region's pastoral traditions.
The trails in Alos are highly rated by the komoot community, with an average score of 4.5 stars from over 400 reviews. Hikers often praise the diverse terrain, from dense forests to high-altitude lakes, and the stunning panoramic views of the Pyrenees. The well-maintained network of trails also contributes to a positive hiking experience.
While Alos is a charming village, public transport options directly to many remote trailheads in the Pyrenees can be limited. It's advisable to check local bus schedules for connections to larger towns in the Couserans region. For more flexibility, driving to trailheads is often the most practical option.
Parking is generally available in and around Alos, especially near popular trail starting points or at key attractions like Lac Bethmale. Specific parking details for individual trailheads may vary, so it's recommended to check route descriptions or local information upon arrival.


Browse the best Hikes in other regions.