4.4
(19)
768
runners
71
runs
Jogging around Ercé offers diverse terrains within the Regional Natural Park of Ariège Pyrenees, with altitudes ranging from 574m to 1905m. The region is characterized by significant mountain landscapes, including numerous peaks, lakes, and waterfalls. Joggers can navigate trails with varied surfaces, from earth paths to gravel, providing a range of experiences. This setting provides an immersive natural environment for running.
Last updated: June 20, 2026
4.0
(1)
152
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
66
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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16
runners
28.0km
05:15
1,780m
1,780m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
14
runners
11.3km
01:38
470m
470m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
14
runners
19.8km
03:43
1,220m
1,220m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Superb hike starting from Aulus-les-Bains. Ars waterfall plus Guzet lake
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Good way to the waterfall. accessible for young and old. One of the highest waterfalls in the Pyrenees.
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Very nice hike. In the shade all along the trail. Perfect for a hike in the heat.
1
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Almost everything is a highlight here!
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Beautiful view of the mountains. Quite challenging hiking trail.
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Sturdy shoes are worth it! Very rocky road.
1
0
I recommend sturdy shoes the path is quite rocky.
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The running trails around Ercé offer a diverse range of terrains, from earth paths to gravel, reflecting the region's varied landscape within the Regional Natural Park of Ariège Pyrenees. You'll encounter significant mountain landscapes, including peaks, lakes, and waterfalls, providing an immersive natural environment for your runs.
Yes, the impressive Cascade d'Ars is a central attraction for several running routes. You can explore trails like the Cascade d'Ars – trail loop starting from Aulus-les-Bains, which is 8.0 miles (12.8 km) and offers stunning views of the waterfall. Another option is the Trail to the Ars Waterfalls – View of the Cascade d'Ars loop from Aulus-les-Bains, a 5.7 miles (9.2 km) path providing scenic views from various points.
Ercé offers a good mix of running routes. While many are classified as difficult, such as the Cascade d'Ars trail loop, there are also moderate options available. In total, there are 63 routes, with 36 being difficult and 26 moderate, catering to various fitness levels.
Absolutely. The region is known for its beautiful lakes, such as Étang de Guzet and Étang de Lers, which are often integrated into scenic routes. For a longer, challenging run, consider the Étang d'Alate – Port de Saleix loop from Aulus-les-Bains, which covers 19.1 km and features significant elevation changes. You can also find the Garbet Lake and Garbet Waterfall as points of interest in the area.
The running routes in Ercé are highly regarded by the komoot community, holding an average rating of 4.1 stars from over 10 reviews. More than 600 runners have explored the varied terrain, often praising the stunning mountain landscapes and the immersive natural experience.
Yes, the Guzet-Neige Prat Mataou loop from Guzet-Neige Prat Mataou is a 7.0 miles (11.3 km) trail that leads through picturesque mountain pastures and forests. Additionally, the 'Les Estives d'Ercé' route, a 10.8 km trail with a 578m elevation gain, offers beautiful views of the Ercé valley and a glimpse into traditional mountain pastures. More information about 'Les Estives d'Ercé' can be found on the local tourism website: tourisme-couserans-pyrenees.com.
While many routes in Ercé are challenging, the region does offer paths suitable for varying fitness levels. For a moderate option, the GR 10 Ars Waterfall – Trail to the Ars Waterfalls loop from Aulus-les-Bains is a 5.3 km route with a more manageable elevation gain, making it a good choice for those seeking a less strenuous run or a family outing. The 'In the footsteps of Bear showers' path is also noted as a family-friendly three-hour hike.
Beyond the impressive Ars Waterfall (Middle) and Upper Ars Waterfall, the region boasts the Couserans region itself, known for its natural beauty. You might also encounter the tranquil water of Escalusse, a pleasant spot with picnic tables, or the geologically interesting Rock of Calvary.
Yes, many of the running routes around Ercé are designed as loops, offering a convenient way to start and finish in the same location. Examples include the Cascade d'Ars trail loop and the Guzet-Neige Prat Mataou loop, allowing you to experience diverse scenery without retracing your steps.
Ercé, nestled in the Pyrenees, offers beautiful scenery throughout much of the year. Spring and autumn generally provide pleasant temperatures and vibrant landscapes, ideal for running. Summer can be warm, but the higher altitudes offer cooler air. Winter running is possible, but some higher or more challenging routes may require alpine experience due to snow and ice, especially around the Ars Waterfall.
For experienced runners seeking a significant challenge, Ercé and its surroundings within the Regional Natural Park of Ariège Pyrenees offer demanding routes. The Étang d'Alate – Port de Saleix loop from Aulus-les-Bains, for instance, is a difficult 19.1 km route with over 1200 meters of elevation gain, requiring very good fitness and sure-footedness.


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