4.3
(79)
520
riders
88
rides
Touring cycling around Biron offers routes through a landscape characterized by lakes, rivers, and rolling terrain. The area features the Barthes de Biron, a wetland region with several lakes, and the Gave de Pau river, which is often crossed by historic bridges. Elevation gains are generally moderate, with some routes featuring more significant climbs, providing varied experiences for touring cyclists.
Last updated: October 18, 2026
5.0
(1)
8
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces.
7
riders
30.7km
02:27
400m
400m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.

8
riders
71.8km
04:26
670m
670m
Hard bike ride. Very good fitness required. Mostly paved surfaces.
4.0
(2)
6
riders
34.2km
02:06
280m
280m
Moderate bike ride. Good fitness required. Mostly paved surfaces.
4.0
(2)
10
riders
Easy bike ride. Mostly paved surfaces.
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Very special this old bridge! We are passing by here for the second time since 2022.
1
0
AWESOME!!! when there is 35 degrees outside, you want to stay there forever
1
0
Very beautiful greenway, very pleasant
0
0
Chateau built by Gaston VIl Moncade from 1242 to 1262, protected by 3 lines of fortifications, and a "V"-shaped masonry moat. The main building protected the entrance to the keep. The ground floor, a pentagonal keep, without a door, served as a prison; on the first floor was the guardroom. This Castle was redeveloped by Gaston Febus in the 14th century. It was burned during the Wars of Religion, in 1569, and sold, at the Revolution, to demolition contractors who dismantled it. Remains restored in 1845.
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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.
0
0
A really very beautiful and well-restored church 👍🏽 Well worth seeing 🤩
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There are over 90 touring cycling routes around Biron, offering a wide range of experiences for different skill levels.
Yes, Biron offers 14 easy touring cycling routes. A great option for families or beginners is the Lakes of the Barthes de Biron – Orthez-Biron Leisure Park loop from Orthez, which is 10.1 miles (16.2 km) long with minimal elevation gain.
The routes around Biron feature a landscape of lakes, rivers, and rolling terrain. You can explore the scenic Lakes of the Barthes de Biron, cross the historic Pont Vieux of Orthez, and pass by landmarks like Moncade Castle - Orthez. Many routes also offer panoramic views, sometimes extending to the Pyrenees.
Absolutely. Biron has 44 difficult touring cycling routes. For a more demanding ride, consider the Lakes of the Barthes de Biron – Pont Vieux of Orthez loop from Castétis, a 24.5 miles (39.5 km) path with significant ascents through the lake district.
Yes, several routes specifically explore the Lakes of the Barthes de Biron. A popular choice is the Lakes of the Barthes de Biron – Pont Vieux of Orthez loop from Castetner, an 18.3 miles (29.5 km) trail that takes you through this beautiful wetland region.
The region's climate generally makes spring and autumn ideal for touring cycling, offering pleasant temperatures and vibrant scenery. Summer can also be enjoyable, though it's wise to start earlier in the day to avoid the midday heat.
Many of the touring cycling routes around Biron are circular, allowing you to start and end at the same point. Examples include the Pont Vieux of Orthez – Moncade Castle - Orthez loop from Orthez, which is 19.2 miles (30.9 km) long.
The touring cycling routes in Biron are highly rated by the komoot community, with an average score of 4.5 stars from over 50 reviews. Cyclists often praise the varied terrain, the scenic beauty of the lakes, and the historical landmarks along the way.
Route lengths vary significantly, from shorter easy loops around 10 miles (16 km) to more challenging rides exceeding 24 miles (39 km). Elevation gains are generally moderate, with some routes featuring more significant climbs of up to 1,600 feet (490 meters), providing diverse experiences.
Yes, many routes start from towns like Orthez, Castetner, or Castétis, where public parking is generally available. It's advisable to check local parking options for your chosen starting point before your ride.
While Biron itself is a smaller locality, the nearby town of Orthez is better connected by public transport, including train services. You can often start routes from Orthez, such as the Panoramic view of the Pyrenees – Pont Vieux of Orthez loop from Orthez, making it accessible for those using public transport.


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