5.0
(8)
36
riders
11
rides
Mountain biking around Manas-Bastanous, situated in the Gers department of France, offers diverse terrain characterized by rolling hills, valleys, and extensive wooded areas. The region provides varied landscapes, including unpaved segments suitable for mountain biking, and offers panoramic views of the Pyrenees from certain routes. This area features a network of trails that cater to different skill levels, from moderate rides to more challenging excursions with significant elevation gains.
Last updated: May 6, 2026
5.0
(2)
9
riders
44.6km
03:42
800m
800m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
9
riders
46.8km
03:41
630m
630m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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5.0
(2)
6
riders
30.7km
02:26
450m
450m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
6
riders
44.9km
03:39
570m
570m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(4)
4
riders
36.2km
03:02
510m
510m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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This reservoir offers a triple advantage: being able to cool off while contemplating the mountains and numerous birds. Recent droughts have repeatedly affected the water volume of this lake. Find out before you go.
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This rather unusual topographical feature must have been the seat of some sort of defensive building. Today, only two crosses remain and the breathtaking view that can be had at the top.
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A small castle with lots of details and intrigue. It is of course a private property, but you only have to see it from the road to realize that.
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The best thing to do after visiting the top of this motte is to see it from here in relief. It is strangely a perfect cone or rounded shape. It is very impressive.
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This rather unusual topographic feature must have been the seat of a kind of defensive building. Today, only two crosses remain and the stunning views that can be found at the top.
4
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The Moncassin village is built on a ridge overlooking the Petite-Baïse. Le Castéra, located on a limestone promontory dominating the valley, is one of the most remarkable castle mounds in Gascony.
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There are 13 mountain bike routes around Manas-Bastanous listed in this guide. The wider Gers department also offers a comprehensive network of 28 marked MTB loops across various difficulty levels.
Yes, there is one easy mountain bike route available in this guide. The MTB-FFC areas in the Gers department, such as Ténarèze and Vallons du Lectourois, also feature 'green' categorized loops specifically designed for beginners.
The terrain around Manas-Bastanous is diverse, featuring rolling hills, valleys, extensive forest covers, vineyards, and olive groves. Many routes include unpaved segments, requiring good fitness and sometimes even necessitating pushing your bike. You can expect varied surfaces and significant elevation changes on some trails.
Absolutely. This guide includes 3 difficult mountain bike routes. For example, the Lapalu Castle – Motte castrale of Moncassin loop from Saint-Michel offers a challenging ride with nearly 500 meters of elevation gain. The wider Gers department also provides 'red' and 'black' categorized loops for very experienced riders.
Yes, several routes offer stunning vistas of the Pyrenees. The Panoramic View of the Pyrenees – Fording loop from Trie-sur-Baïse is a moderate route that provides breathtaking views of the majestic mountain range, especially from Lake Castelnau-Magnoac.
Beyond the trails, the region boasts several natural attractions. You can visit the Orientation table for views, or explore the nearby Gorges de la Save, Gouffre d'Esparros, and Grottes de Médous for unique geological wonders. Lakes like Lac l'Uby also offer water sports.
Yes, the region is rich in history. You might encounter sites like Bernet Castle. The broader area also features charming villages and historical sites such as Tarbes, Mont d'Astarac, Lavardens, and Sarrant, offering cultural excursions.
The region generally offers good conditions for mountain biking for much of the year. Spring and autumn provide pleasant temperatures and vibrant landscapes. Summer can be warm, so early morning or late afternoon rides are often preferred. Always check local weather forecasts before heading out.
Many of the mountain bike routes in this guide are designed as loops, allowing you to start and finish at the same point. Examples include the Fording loop from Trie-sur-Baïse and the Fording – Single de Sentous loop from Trie-sur-Baïse.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the diverse landscapes, the challenging yet rewarding terrain, and the opportunity to experience the tranquil natural beauty of the Gers department.
Yes, some routes incorporate water features. For instance, the Single de Sentous – Lake Puydarrieux loop from Puydarrieux takes you past Lake Puydarrieux. The wider region also features Lac l'Uby and the River Baise, offering additional aquatic activities.


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