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Gravel biking around Bergouey-Viellenave offers diverse terrain in the Pyrénées-Atlantiques department of southwestern France. The region features rolling hills, lush valleys, and the Bidouze river, providing varied gradients for cyclists. The landscape includes areas like the Bois de Mixe forest and geological formations of sandstone and Jurassic limestone. This environment supports a range of gravel biking experiences, from moderate paths to more demanding ascents.
Last updated: May 21, 2026
4
riders
83.5km
05:29
920m
920m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
34.1km
02:30
560m
560m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
25.2km
01:44
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
36.7km
02:34
670m
670m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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## The tunnel The tunnel, located between the Puyoô and Salies-de-Béarn stations, is one of the significant structures on line n° 662.000 connecting Puyoô to Mauléon. It is a single-track tunnel 848.5 m long and 5.00 m wide between the abutments. The height under the crown is 6.00 m. It is a multi-radius arch. The structure is generally oriented North-South, with a curve of R400 m for the first 250 meters on the North side, then a straight section to the South end. The longitudinal profile has a constant gradient of 0.01 m/m from the North. A central aqueduct equips the structure along its entire route. The maximum cover is 49 m. The tunnel is built in the Campanian flysch (Upper Cretaceous). The construction of the tunnel (1879-1883) was carried out from two headings via shafts approximately 35 m deep, located at PM219 and PM632. The shafts were retained as ventilation shafts. The masonry thicknesses (limestone rubble set in lime mortar) vary from 0.50 m to 1.20 m. The length of the tunnel, initially projected at 400 m, was increased to 787 m following the decision to lower the profile (from 20‰ to 16‰). During construction, ground instabilities encountered during the excavation of access trenches led to a further extension of the structure, which finally reached a length of 848.5 m. Numerous ground instabilities (landslides) caused significant delays in the progress of the work. The tunnel was electrified in 1930 and the overhead line equipment was removed in 1971.
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A really beautiful cycle path on an old railway line. It is completely asphalted and is therefore a wonderful ride and there are one or two bridge highlights to admire along the way.
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Very nice little house made of Lego in a broken corner of the wall
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A small village with a few nice buildings. Worth a visit.
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The small village of Saint-Palais is located at the crossroads of the three Basque provinces of Labourd, Basse Navarre and Soule. Former capital of Navarre, the village has managed to preserve its traditions and its authentic culture.
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The region offers diverse terrain, from rolling hills and lush valleys to paths along the scenic Bidouze river. You'll encounter varied gradients, including areas with sandstone and Jurassic limestone, providing both moderate paths and more demanding ascents. The Bois de Mixe forest also offers trails through a beautiful wooded setting.
Yes, there are routes suitable for various skill levels. For a balanced ride through rolling hills, consider the Kleines Legohaus – Saint-Palais loop from Amendeuix-Oneix, which is classified as moderate and covers 15.7 miles (25.2 km).
The area is rich in history. You can explore routes that pass near historical sites like the Gramont Castle in Bidache. Bergouey-Viellenave itself features a 13th-century chapel on the Way of St. James and a 'Roman' bridge. Nearby villages also offer architectural treasures like medieval bridges and churches.
Yes, many routes are designed as loops, allowing you to start and finish in the same location. An example of a challenging circular route is the Tunnel – Château de Gramont de Bidache loop from Bidache, which is 51.4 miles (82.7 km) long.
For experienced riders seeking a challenge, routes like the Tunnel – Château de Gramont de Bidache loop from Bidache (51.4 miles / 82.7 km) and the Eglise de Succos | ZBP Divide – Saint-Palais loop from Amendeuix-Oneix (21.2 miles / 34.1 km) offer significant elevation gains and varied landscapes.
You'll ride through the picturesque Bidouze Valley, alongside the river, and through the extensive Bois de Mixe forest. The landscape also features rolling hills that provide panoramic views of the surrounding Basque Country and, from higher vantage points, even the Pyrenees and Atlantic coast.
While specific family-friendly routes are not detailed, the region's diverse terrain includes moderate paths that could be suitable for families with some cycling experience. The scenic riverbanks of the Bidouze offer relatively easy sections. Always check the route difficulty and length to ensure it matches your family's abilities.
The Pyrénées-Atlantiques region generally offers pleasant conditions for outdoor activities for much of the year. Spring and autumn typically provide mild temperatures and beautiful scenery, ideal for gravel biking. Summers can be warm, while winters are generally mild but may have more rainfall.
Yes, the elevated positions and rolling hills around Bergouey-Viellenave provide opportunities for expansive views. From certain vantage points, such as the Site de Miremont in Bardos (a short distance away), you can enjoy panoramic vistas of the Basque Country, the Pyrenees mountain range, and even the Atlantic coast.
There is at least one comprehensive gravel bike route detailed for the Bergouey-Viellenave area, with several other popular routes nearby that showcase the region's diverse terrain and attractions.
Gravel bikers appreciate the diverse terrain, which includes rolling hills, scenic river valleys, and trails through forests like the Bois de Mixe. The combination of physical activity and immersion in a rich natural and cultural landscape, with historical sites along the way, is a key draw.
Yes, for those looking for longer rides, routes like the Tunnel – Château de Gramont de Bidache loop from Bidache cover a significant distance of 51.4 miles (82.7 km), exploring varied terrain and historical areas, making it suitable for a longer day out.


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