4.7
(163)
1,185
riders
20
rides
Mountain biking around Lac de Gréziolles offers a diverse landscape characterized by high mountain passes, alpine lakes, and dense forests within the Pyrenees. The region features significant elevation changes, providing challenging climbs and rewarding descents. Trails often traverse open meadows, rocky terrain, and wooded sections, with views of the surrounding peaks and valleys.
Last updated: July 4, 2026
4.9
(53)
177
riders
46.8km
04:43
1,390m
1,390m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(9)
53
riders
22.4km
02:42
1,050m
1,050m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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4.5
(4)
73
riders
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
5.0
(3)
15
riders
40.3km
05:17
2,250m
2,250m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
15
riders
9.45km
00:56
360m
360m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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magnificent. In Vtae a real treat
1
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An amazing view, with the added bonus of some spectacular fine dining (book in advance for dining!)
0
0
The Col du Tourmalet... a pass that was a real challenge for me! It climbs continuously for 20 km without any real respite... With the end getting a bit tougher, especially mentally!
0
0
Ascent to the summit on foot; no cable car access until 2027. No access to the restaurant or restrooms, but drinking water is available.
0
1
Octave Lapize, the first to climb it on a bike during the tour. Check out the history, it's unmissable.
0
0
Do it in the evening for the sunset, it's magnificent or conversely to admire the sunrise. The night of stars is magnificent! 🤩
0
1
There are nearly 20 mountain bike trails around Lac de Gréziolles, offering a variety of experiences from easy rides to challenging high-mountain adventures. The komoot community has explored these routes over 1100 times.
Yes, while many routes are moderate to difficult, there is at least one easy mountain bike trail available. These trails are generally less steep and cover shorter distances, making them suitable for beginners or those looking for a more relaxed ride.
The terrain around Lac de Gréziolles is highly varied, characterized by high mountain passes, alpine lakes, and dense forests within the Pyrenees. You'll encounter significant elevation changes, extensive singletrack, open meadows, rocky sections, and wooded paths, all offering panoramic views of the surrounding peaks and valleys.
The best time for mountain biking around Lac de Gréziolles is typically from late spring to early autumn (June to September). During these months, the weather is generally more stable, snow has melted from higher elevations, and trails are dry. Always check local weather and trail conditions before heading out, especially in the shoulder seasons.
Winter mountain biking in Lac de Gréziolles can be challenging due to snow and ice, especially at higher altitudes and on shaded trails. Many trails may be impassable or require specialized equipment. It's generally recommended to stick to lower elevation routes if attempting winter rides, and always prioritize safety by checking conditions and forecasts.
Absolutely. Many trails in the region offer stunning viewpoints, particularly those that ascend to higher passes or ridgelines. For example, the La Mongie – View of Pic du Midi loop from Mer et Golf - Résidence Pic du Midi provides excellent views towards Pic du Midi. The Tourmalet Pass – Pic du Midi de Bigorre loop from La Mongie also offers panoramic vistas from high mountain passes.
Yes, many of the mountain bike trails around Lac de Gréziolles are designed as loops, allowing you to start and finish at the same point. A popular example is the Lac de Payolle – Pla de Castet Singletrack loop from La Mongie, which offers extensive singletrack and varied mountain terrain.
The mountain bike trails in Lac de Gréziolles are highly rated by the komoot community, with an average score of 4.6 stars from over 170 reviews. Riders often praise the diverse landscapes, challenging climbs, rewarding descents, and the stunning views of the Pyrenees.
Yes, the Lac de Gréziolles area is well-known for its challenging routes. There are 10 difficult trails, featuring significant elevation gains and technical sections. The Barèges Bike Park – Tourmalet Pass loop from Mer et Golf - Résidence Pic du Midi is a particularly demanding option with over 1600 meters of elevation gain.
The duration of mountain bike trails around Lac de Gréziolles varies significantly based on difficulty and length. Shorter, moderate routes like the Tourmalet Pass loop from La Séoube can take around 1.5 hours, while longer, difficult trails such as the Lac de Payolle – Pla de Castet Singletrack loop from La Mongie can take over 4.5 hours to complete.
Parking availability varies by trailhead. Many popular starting points, especially in villages like La Mongie or near major passes, offer designated parking areas. It's advisable to check the specific route details on komoot or local signage for the most accurate parking information before your ride.
Yes, the region has several villages and mountain resorts, such as La Mongie, where you can find cafes, restaurants, and other services. While not directly on every trail, these amenities are often accessible from popular starting points or along routes that pass through inhabited areas. Planning your route can help you incorporate a stop.
The Lac de Gréziolles area, being part of the Pyrenees, is dotted with numerous alpine lakes and streams. While specific wild swimming spots are not always marked on mountain bike routes, many trails pass by or offer views of these natural water bodies. Always exercise caution and respect local regulations if considering a dip.


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