3.5
(2)
14
riders
4
rides
Gravel biking around Cazalis, located in the Gironde department of France, offers a network of no traffic gravel bike trails primarily within the Parc Naturel Régional des Landes de Gascogne. This region is characterized by its extensive pine forests, flat to gently rolling terrain, and tranquil rural landscapes, providing a serene environment for off-road cycling. The routes often follow forest roads and former railway lines, ensuring a car-free experience through the natural park's distinctive ecosystem.
Last updated: May 22, 2026
3.5
(2)
6
riders
50.4km
03:05
600m
600m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
78.3km
05:13
820m
810m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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4
riders
62.8km
04:08
610m
610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
52.1km
03:27
610m
610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Cazalis
Rest area along the greenway with water and picnic tables. From here you can also take a loop to visit the Chalosse lookout.
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Mugron is a small hilltop town with a lovely view. Park near the church and visit the Tree of Liberty, planted in the 19th century. It's majestic, and right next to it is a lovely viewpoint. Take a moment to admire the landscape beneath its canopy of trees. Mugrón is easily explored on foot. You'll find plenty to pack for a picnic, and then head to the leisure center: a lake where you can swim and enjoy water slides with the kids. There's a refreshment bar in season and everything you need for a pleasant time with family or friends, at a very reasonable price! The banks of the Adour also offer lovely walks. Source: https://www.guide-des-landes.com/fr/experiences/culturelle/article-visiter-mugron-et-rouge-garance-187.html
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Built on the old railway line that connected Saint-Sever to the spa town of Dax, the Chalosse Green Route offers a 34-kilometer stretch on smooth, hard-surfaced ground. The route offers a bucolic atmosphere with landscapes of woods, hills, and meadows. Among the main tourist attractions are the town center of Saint-Sever (whose abbey is a UNESCO World Heritage Site as part of the Santiago de Compostela Route), the villages of Mugron and Montfort with its Chalosse Museum, and Montaut, a charming Chalosse village. The Landes-Chalosse destination will delight cyclists thanks to its green route and numerous hiking trails. Source: https://www.landes-chalosse.com/se-divertir/fan-de-nature-loisirs-et-activites-de-plein-air/la-voie-verte-de-chalosse
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Little drink break by the river 😎
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After a nice little climb
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Here the famous Lady of Brassempouy was discovered in 1894, today attested as the first human face.
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Gaujacq Castle is an unusual masterpiece built in the image of an Italian building, with its botanical garden with 3,500 plant species.
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There are 4 dedicated no-traffic gravel bike trails around Cazalis, all offering a challenging and rewarding experience for gravel cyclists.
The gravel bike trails in Cazalis are generally considered difficult. They feature significant distances, considerable elevation gains, and varied terrain, making them suitable for experienced gravel riders looking for a challenge.
Yes, all the no-traffic gravel routes in Cazalis are designed as loops. For example, you can explore the Voie verte de Chalosse – The Chalosse Viewpoint loop from Bergouey, which offers a scenic circular journey.
You can expect a diverse mix of terrain, including dirt sectors and paved sections. The region is known for its rolling Sonoma hills and redwood forests, which means you'll encounter moderate grades with both ascents and descents, providing an engaging ride.
Yes, some routes pass by interesting landmarks. For instance, the Brassempouy Prehistoric Site – Horsarrieu Church loop from Bergouey takes you past the Brassempouy Prehistoric Site and the Horsarrieu Church.
The longest no-traffic gravel bike trail is the Gaujacq – Château d'Amou loop from Hagetmau, spanning approximately 78 kilometers with over 800 meters of elevation gain.
The region offers enjoyable gravel biking experiences throughout much of the year. Spring and fall generally provide the most comfortable temperatures and vibrant scenery. While some parts of the 'Old Caz' route can be ridden year-round, checking local weather conditions is always recommended, especially for Austin Creek crossings which fluctuate with water levels.
Despite feeling remote, the area is well-supported with quaint towns like Occidental and Cazadero. These towns offer charming spots to refuel and relax. For example, the Le Jambon – Hotel Restaurant in Hagetmau is a highlight you might encounter.
Riders are frequently rewarded with 'hero views' of the rolling Sonoma hills, offering expansive and scenic backdrops from elevated points. You'll also experience the unique beauty of majestic redwood forests, with routes often transitioning between open vistas and dense, cool tree canopies.
The komoot community rates the area highly, with an average score of 4.0 stars. Riders often praise the challenging yet rewarding nature of the trails, the stunning natural beauty of the redwood forests and Sonoma hills, and the sense of remote adventure combined with accessible amenities in charming local towns.
Yes, the Brassempouy Prehistoric Site – Horsarrieu Church loop from Bergouey is a great option if you wish to pass by the Brassempouy Prehistoric Site during your ride.


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