4.5
(6)
67
riders
17
rides
No traffic touring cycling routes around Barrage-Réservoir De L'Astarac traverse a landscape characterized by rolling hills and valleys, offering varied scenery. The region features a man-made lake with a distinctive Y-shape, providing panoramic views, including distant glimpses of the Pyrénées mountains from certain points. Cycling routes often utilize small, shared roads with minimal traffic, ensuring a peaceful experience. The terrain generally presents moderate gradients, making it accessible for a range of touring cyclists.
Last updated: May 10, 2026
4.0
(2)
14
riders
21.3km
01:24
300m
300m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
21.9km
01:31
290m
290m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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1
riders
91.5km
06:01
1,130m
1,140m
Cycle a difficult 56.9-mile loop through the Gers valley, exploring Lac de la Gimone and the world-renowned Paléosite de Sansan.
5.0
(1)
2
riders
23.1km
01:29
290m
290m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
23.0km
01:36
310m
300m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Barrage-Réservoir De L'Astarac
This artificial lake, whose dam was built in 1976, is a stopover for migratory birds. It is part of the Natura 200 network and a wide variety of migratory birds can be observed here, for example the booted eagle, the red kite, the gray heron and the egrets. A 3 km fitness trail is available.
2
0
This artificial lake, whose dam was built in 1976, is a stopover for migratory birds. It is part of the Natura 200 network and a wide range of migratory birds can be observed here, for example the booted eagle, red kite, gray heron and egrets. A 3 km fitness trail is available.
2
1
Very large body of water on the borders of Gascony, with a leisure center on its banks.
1
0
A 3 km path takes you in the footsteps of a Gers lawyer, Sansan, who in 1834 discovered a paleontological site which revolutionized scientific theories. Oddity: the site belongs to the National Museum of Natural History in Paris. More info: https://www.paleosite-sansan.com/
1
0
Impressive 13th century castle. An association has been working on its rehabilitation since the 2000s. A medieval festival takes place in the village every year.
1
0
Surprising Church! You have to go inside to observe the murals
0
0
Nice picnic site with a very nice view of Castelnau Magnoac and the mountains.
0
0
Nice walk around the lake, to do on foot or by mountain bike.
0
0
There are over 20 touring cycling routes around Barrage-Réservoir De L'Astarac that focus on minimal traffic, offering a peaceful experience. These routes range from moderate to difficult, with 12 moderate and 8 difficult options to choose from.
The routes around Barrage-Réservoir De L'Astarac feature a 'mosaic paysagère' of rolling hills and valleys. While generally without major difficulties, you can expect varied terrain with some climbs, offering picturesque scenery without heavy traffic. The routes largely utilize small, shared roads, ensuring a serene cycling experience.
Yes, many of the no-traffic touring routes are circular. For example, you can explore the 21.3 km Château de Saint-Blancard – Lac de la Gimone loop from Lunax or the 21.8 km Château de Saint-Blancard – Lac de l'Astarac loop from Lunax, both offering moderate challenges and beautiful scenery.
The region is enjoyable for touring cycling throughout much of the year. Spring and autumn generally offer pleasant temperatures and vibrant landscapes. Summer can be warm, but the quiet roads and natural surroundings still provide a great experience. Winter might be cooler, but the area's charm remains.
The Barrage-Réservoir De L'Astarac is a significant ecological site, part of the Natura 2000 network and an ornithological reserve. You might spot over 160 species of migratory birds, including grey herons, cattle egrets, and red kites. The surrounding wooded hillsides also host various raptors and amphibians, adding a rich natural dimension to your ride.
While the komoot guide focuses on individual routes, the broader region offers the 'Grand Tour de l'Astarac,' a prominent cycling route spanning 128 km to 154 km that can be completed over several days. This route is designed to showcase the diverse landscapes and heritage of the Pays d'Auch and Astarac region, largely utilizing small, quiet roads. For more details on this longer tour, you can visit veloenfrance.fr.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the tranquility of the routes, the beautiful 'mosaic paysagère' of rolling hills, and the panoramic views, especially those of the Pyrénées mountains from certain points along the lake.
Yes, for an easier, traffic-free option, the 'Voie Verte d'Astarac' offers a 5 km cycling and pedestrian path along the eastern shore of the lake. This is particularly suitable for families or those seeking a very relaxed ride.
Access points to the Barrage-Réservoir De L'Astarac and its surrounding routes typically have designated parking areas. While specific parking locations for each route vary, you can generally find parking near the main dike or in the charming small villages that serve as starting points for many of the tours.
The deeply rural identity of the Astarac region means that while routes are quiet, charming small villages are often nearby. These villages may offer cafes, restaurants, or local shops where you can refuel. It's always a good idea to check opening times, especially in smaller hamlets, and carry some provisions.
Yes, for experienced touring cyclists seeking a challenge, there are several difficult routes. The 51.4 km Simorre. – Simorre loop from Bellegarde and the 91.5 km Lac de la Gimone and Sansan route both feature significant elevation gains and longer distances, providing a rewarding experience on quiet roads.
Cyclists can enjoy diverse and picturesque views, including the distinctive Y-shaped Barrage-Réservoir De L'Astarac itself, rolling hills, and lush valleys. From certain vantage points, particularly along the main dike, you can also experience exceptional panoramic views of the distant Pyrénées mountains.


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