4.8
(5)
908
runners
38
runs
Jogging around Arrens-Marsous offers a diverse experience within the Hautes-Pyrénées department of France. The region is characterized by its dramatic mountainous terrain, including the Arrens and Ouzom valleys, providing varied inclines and descents. Runners can explore picturesque lakes such as Lac de Soum and Lac de Migouélou, as well as routes through the Bedout pine forest and past natural features like the Doumblas waterfall. Situated partly within the Pyrenees National Park, Arrens-Marsous provides access to well-maintained trails suitable for running.
Last updated: July 4, 2026
96
runners
24.4km
04:28
1,780m
1,780m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
83
runners
32.4km
05:50
2,340m
2,340m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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5.0
(1)
69
runners
13.8km
01:32
300m
300m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
48
runners
23.6km
03:12
1,060m
1,060m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
34
runners
16.5km
03:29
1,330m
1,330m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Popular around Arrens-Marsous
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The last third of the pass was snowy, but the view over Pouey Lahuns was worth it
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Small summit above the Col du Soulor, offering a magnificent view in clear weather.
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A good base for mountain bike tours through the Val d'Azun, as there are several parking areas. A pump track has also been built on the edge of the village.
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Hello, can we sleep in this cabin? Free access ? THANKS
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small cabin located on the slopes between the col du soulor and the col de couraduque. A good place to take a break.
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small lake that can be reached via good slopes.
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Arrens-Marsous offers a wide selection of routes for runners. There are over 30 dedicated running trails, ranging from moderate to difficult, ensuring options for various skill levels.
The terrain in Arrens-Marsous is predominantly mountainous, featuring varied inclines and descents through the Arrens and Ouzom valleys. You'll encounter paths through pine forests, around picturesque lakes, and along mountain passes, offering a diverse and challenging running experience.
While many routes are challenging, there are moderate options suitable for families looking for a scenic jog. For example, the area around Lac d'Estaing offers a pleasant setting for a digestive stroll or jog, often with ponies and cows roaming freely. Routes around lakes like Lac de Soum can also be more accessible.
Arrens-Marsous is partly located within the Pyrenees National Park. While dogs are generally welcome in many areas, specific rules apply within the National Park boundaries, often requiring them to be on a leash. It's always best to check local signage or park regulations for the specific trail you plan to run.
Yes, many of the running routes in Arrens-Marsous are designed as loops, allowing you to start and finish at the same point. Examples include the moderate Col du Soulor – Soum Lake loop from Col du Soulor or the more challenging Soum Lake – Soum Lake loop from Arrens-Marsous.
Runners in Arrens-Marsous can enjoy stunning natural beauty. You'll find picturesque lakes like Lac de Soum, Lac de Migouélou, and Lac de Suyen. Routes also lead through the Bedout pine forest and past the Doumblas waterfall. Iconic mountain passes like Col du Soulor and Col d'Aubisque offer panoramic views.
The running routes in Arrens-Marsous are highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the dramatic mountainous landscapes, the serene lakes, and the variety of terrain that caters to different fitness levels.
Absolutely. For experienced runners seeking a significant challenge, the region offers several difficult long-distance routes. A notable example is the Sanctus Peak – Gourette loop from Arrens-Marsous, a 32.5 km trail with substantial elevation gain, typically taking nearly six hours to complete.
Many trailheads, especially those near popular starting points like Col du Soulor or the villages themselves, offer designated parking areas. For specific routes, it's advisable to check the route details on komoot for parking information near the starting point.
The best seasons for running in Arrens-Marsous are generally spring, summer, and autumn. During these months, the weather is more favorable, and trails are typically clear of snow. Summer offers longer daylight hours, while spring and autumn provide cooler temperatures and vibrant scenery. Winter running is possible but may require specialized gear due to snow and ice at higher elevations.
Yes, you can incorporate cultural exploration into your run. The village of Arrens-Marsous itself has a rich religious heritage, including the churches of Saint-Pierre d'Arrens and Saint-Martin de Marsous, and the chapel Notre Dame de Pouey-Laün. Some routes may pass near these sites, allowing for a blend of physical activity and cultural discovery.
Certainly. While the region is known for its difficult mountain runs, there are also moderate options. The Col du Soulor – Soum Lake loop from Col du Soulor is a popular moderate route offering scenic views with a more gentle elevation profile, perfect for a rewarding run without extreme demands.


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