Best mountain passes around Bilhères are located in the Pyrénées-Atlantiques department of France, nestled within the Ossau Valley. This region features several mountain passes that offer challenging routes, particularly popular with cyclists. These passes provide access to neighboring valleys and connect to Spain, making them integral to the local landscape. Many are frequently featured in prestigious cycling events.
Last updated: May 29, 2026
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A legendary category 1 pass. Easier from Bielle because the magnificent Benou plateau offers a gentler incline before the final climb.
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Quite a strenuous climb.
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Despite its 28 kilometers in length, the Col du Pourtalet is only classified as first category due to its regular and gentle gradient, with an average of 4.6%. It peaks at 1,794 meters, on the Franco-Spanish border.
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The Col de Marie-Blanque is a classic of the Tour de France. From Escot, the nine-kilometer climb begins gently before becoming steeper over the last four kilometers, with an average gradient of 7.6%.
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Once you've done that, you'll want to drive even more mountains, it's just wonderful.
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Start of the iconic 15 km climb with 1100 altitude meters
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The mountain passes around Bilhères are renowned for their challenging routes and scenic beauty, frequently featuring in prestigious cycling events like the Tour de France. Passes such as the Marie-Blanque Pass and the Col d'Aubisque are legendary climbs, attracting cyclists from around the world to test their endurance on their slopes. The Col du Pourtalet is also a vital crossing point for international races like the Quebrantahuesos and the Vuelta.
Yes, for experienced cyclists, the Ascent of Col d'Aubisque from Laruns is a regular 'special category' climb in the Tour de France, reaching 1,709 meters. The Ascent of Col de Marie-Blanque from Escot is also known for its strenuous final kilometers with an average gradient of 7.6%. For hiking, the Col du Pourtalet serves as an excellent starting point for exploring the higher reaches of the Ossau Valley, with access to locations like the Pombie refuge or the Pic de Peyreget.
You'll encounter breathtaking natural beauty. The Marie-Blanque Pass features the picturesque Bénou plateau, offering serene, pastoral landscapes. The Col d'Aubisque provides spectacular panoramic views, including the cirque of Gourette, making it a must-see for nature lovers. The views from the summit of Aubisque are particularly rewarding.
The best time to visit is generally from late spring to early autumn. Due to their altitude, passes like the Col d'Aubisque are typically closed from mid-November to May because of snow. Visiting outside of these winter months ensures access and more favorable weather conditions for cycling, hiking, and enjoying the views.
While many passes offer challenging ascents, the Ascent of the Col de Marie-Blanque from Bielle is considered less steep than other approaches, thanks to the passage through the beautiful Bénou plateau, which offers a gentler incline before the final climb. This might offer more accessible sections for families or those looking for easier walks.
Beyond conquering the passes themselves, the region offers a variety of outdoor activities. You can explore numerous road cycling routes, including those that tackle the iconic Aubisque-Soulor or Marie-Blanque passes. There are also gravel biking and mountain biking trails available. For more details on routes, you can check out the Road Cycling Routes around Bilhères, Gravel biking around Bilhères, and MTB Trails around Bilhères guides.
Yes, particularly for the Col d'Aubisque, special regulations apply to larger vehicles. There are specific times for travel in each direction, so it's advisable to check local signage or information before planning your journey with a larger vehicle.
Visitors frequently highlight the incredible views and the challenge of the climbs. Many appreciate the legendary status of passes like Marie-Blanque and Aubisque in the Tour de France, making them a must-do for cyclists. The dramatic scenery, especially from the Col d'Aubisque, and the serene landscapes of the Bénou plateau are also highly praised.
The Col du Pourtalet, situated at 1,984 meters, acts as a border crossing, connecting the Ossau Valley in France with the Tena Valley in Spain. This unique feature adds a cultural dimension to the visit.
Yes, the Marie-Blanque Pass, when ascended from Louvie-Juzon, includes sections with gradients of 8.5%. The Ascent of Col de Marie-Blanque from Escot is particularly challenging, with the last four kilometers becoming very steep, averaging 7.6%. The Ascent of the Col de Marie-Blanque from Bielle also has sections reaching over 11%.
While specific cafes and accommodation directly on the passes are limited, the nearby towns and villages in the Ossau Valley, such as Laruns and Gourette, offer various options for dining and lodging. It's recommended to plan your stops in these areas.


See even more epic mountain passes by checking out these guides around Bilhères: