Mountain passes around Urdos provide access to the Pyrenees, offering diverse landscapes and historical routes. This region, situated near the French-Spanish border, features significant mountain crossings and natural areas. The terrain includes challenging trails and scenic viewpoints, attracting those interested in mountain exploration.
Last updated: June 26, 2026
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Beautiful Pyrenean valley, at the end you reach the Anayet glacial lakes, a deserved reward.
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29km climb from Laruns but acceptable percentages by bike. The pass in addition to a superb view on the French side is a place of Spanish shops with Ventas and restaurants
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The French side is the most beautiful
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Here the Camino Aragones begins at the top of the pass on the Spanish side of the pass. A great view down into the valley.
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The Aragonese Way of St. James begins at the top of the Somport pass. From above you have a wonderful view down into the valley towards Jaca. A very good start to the Camino Aragones, which still remains really original.
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The Col de Somport is on the border between France and Spain at 1,632 meters above sea level. It has the particularity of being above the tunnel of the same name which is one of the most important crossing points in the Pyrenees. The climb, on the French side, begins in the village of Accous. It is 28 kilometers long for an average of 4.3%. The road really begins to rise from the village of Urdos.
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The Col de Suzon peaks at 2,131 meters above sea level. It opens a door between the Saoubiste peak and the Midi d'Ossau peak allowing you to switch to the other side of the mountain towards the Pombie refuge and its lake.
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Beyond the popular Col du Pourtalet and Somport Pass, you can explore the Peyreget Pass, which offers a 360-degree panorama of surrounding peaks. Other significant passes include the Ayous Pass, known for its views of the Ayous Lakes and Pic du Midi d'Ossau, and the Col d'Arras, famous for the historic Chemin de la Mâture.
The region's mountain passes are steeped in history. The Somport Pass, for instance, has been a crucial border crossing and a stopover for pilgrims on the Santiago de Compostela route for centuries. The Col d'Arras is notable for the Chemin de la Mâture, an impressive path carved into rock to transport timber for the Royal Navy, now part of the GR10 long-distance hiking trail.
Yes, many passes offer challenging treks. The hike to Ayous Pass, for example, can be demanding but rewards with magnificent views of the Ayous Lakes and Pic du Midi d'Ossau. The loop involving the Col d'Arras and the Chemin de la Mâture is rated 4/5 for difficulty, featuring significant altitude differences and sometimes stony, steep paths. The Col d'Arlet also leads to a wild and beautiful region with challenging routes and panoramic views.
The mountain passes around Urdos are rich in natural beauty. From the Ayous Pass, you'll see the stunning Ayous Lakes and the iconic Pic du Midi d'Ossau. The Peyreget Pass provides a 360-degree panorama of peaks and valleys. The Col d'Arlet offers a splendid 360° panoramic view, showcasing the Pic du Midi d'Ossau on the French side and the Aragonese landscape on the Spanish side, including the green valley of Aguas Tuertas.
The area around Urdos is perfect for various outdoor activities. You can find numerous hiking trails, including the challenging 'Refuge d'Ayous – Chemin de la Mâture loop' or the 'Lake Estaëns Trail'. Cycling enthusiasts can tackle routes like the 'Col du Portalet – Eaux-Bonnes Thermal Baths loop'. For runners, there are options like the 'Col d'Ayous loop'. You can find more details on these activities in the Hiking around Urdos, Cycling around Urdos, and Running Trails around Urdos guides.
While many passes involve challenging terrain, some areas offer more accessible options. For specific family-friendly trails, it's best to check local information centers or komoot's Hiking around Urdos guide for routes with lower difficulty ratings. The region's valleys often provide gentler paths suitable for families.
The best time to visit for hiking and cycling is generally from late spring to early autumn (May to October), when the weather is milder and most trails are free of snow. Some passes, like the Somport Pass, are open year-round, offering cross-country skiing in winter. Always check current weather and trail conditions before heading out, especially at higher altitudes.
The Pyrenees are home to diverse wildlife. On less-known passes like Col de Pau and Col de Burcq, it's common to spot herds of chamois. In summer pastures like Lac Roumassot near Ayous Pass, you might observe horses and cows. Keep an eye out for various bird species and other mountain fauna, especially during quieter times of day.
Yes, some routes feature refuges that provide resting spots and amenities. For example, hikes to Ayous Pass often pass by Refuge d'Ayous. The Col d'Arlet also leads to Refuge d'Arlet. These can be crucial for longer treks, offering shelter and sometimes food or accommodation. The Col du Pourtalet also has facilities at the top.
Access varies by pass. Many trailheads are accessible by car, with parking available, though it can be limited during peak season. For example, the Chemin de la Mâture starts from Pont de Cebers between Urdos and Borce. Public transport options to specific trailheads might be limited, so checking local bus schedules or considering carpooling is advisable. The Somport Pass is a significant crossing point, with more established access.
The Col de Pau and Col de Burcq, accessible from Lescun, offer continuous magnificent views and are relatively undiscovered. Despite challenging elevation gains, the hike is considered manageable, with options to stop at Cabane de Bonaris or the Col de Pau. These passes are known for potential chamois sightings and can be extended to nearby peaks or to Refuge d'Arlet for those with high fitness levels.
The Canfranc Valley, connected by the Somport Pass, has historically been a vital corridor in the Pyrenees. It's a region shaped by ice and torrents, witnessing centuries of trade, communication, and pilgrimage. Today, it continues to be a significant area for sports and active tourism, with its rugged slopes and ancient trails attracting adventurers and pilgrims alike.


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