Best mountain passes around Lanne-En-Barétous are situated in the Barétous Valley within the French Pyrenees. This region is characterized by its mountainous terrain, offering diverse landscapes from high-altitude plateaus to verdant valleys. The area provides access to various mountain passes known for their panoramic views and varied routes. It serves as a gateway to the Pyrenean range, featuring both challenging climbs and more accessible routes.
Last updated: July 10, 2026
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beautiful climb starting from the valley of Larrau. Count 21km but the bulk of the elevation gain starts in Saint Engrace
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climb from couth side is steeper, but both sides are enjoyable
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Without a doubt, the Col de la Piedra de Saint Martin or Pierre Saint-Martin is one of the Top 10 in the whole of the Pyrenees. Without exceeding 2000 metres of altitude, it is a very long pass, with a lot of accumulated gradient (due to the innumerable French slopes, the gradient is 1,450 metres), with very hard slopes and several kilometres above 10%, with wonderful landscapes and panoramic views and with little traffic, except for the slopes crossed by the main road (D132 in France, the NA 137 in Spain). It is a pass with many slopes; in Europe there are few other passes that have as many slopes as this one (col de Turini, Passo delle Erbe, would be comparable in number of slopes approximately). I have only climbed it by 2 slopes: (i) my first time was from Lourdios Ichère, crossing the col de Labays and the col de Soudet. Simply spectacular; (ii) I have subsequently climbed the Spanish side on several occasions, which is unique, and which starts from Belagua and crosses the Belagua cross-country ski resort to reach the mountain pass. It is also very beautiful, with a landscape and views different from the north-east side. If I had to choose one of the two, I liked the north-west side better because it is more remote, harder and in my opinion more authentic. It is also a culturally special mountain pass because the Tribute of the 3 cows takes place on its summit every 13th of July, which is considered the oldest treaty in force in Europe. So... you know... you cannot miss the opportunity to come here and enjoy this wonderful jewel of the Pyrenees!!!!
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I would not recommend right now. They recently did a chip and seal so a LOT of loose gravel. I live in the area and even the road to Osse en Aspe.
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A very irregular climb, with even a descending passage, which gives the opportunity to recover after a few slightly steeper passages. But not really any big difficulty on this pass.
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Culminating at 1,540 meters above sea level, the Soudet pass is one of the first to be encountered from the Atlantic coast. The various climbs that lead to it are relatively long and maintain low average percentages despite a few passages around 10%.
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If you come from the south (Col du Soudet) you almost fly over it.
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The region offers several distinctive mountain passes. The Pierre Saint-Martin Pass is known for its high mountain green meadows and stony areas, offering a very long climb with significant gradient. Another significant area is the Domaine d'Issarbe, a high-altitude plateau offering exceptional 360-degree panoramic views of the Pyrenees and the Barétous Valley. You can also explore Soudet Pass, which culminates at 1,540 meters, and Labays Pass, which features an irregular climb with a descending passage.
The mountain passes around Lanne-En-Barétous are renowned for their stunning panoramic views. From the Domaine d'Issarbe, you can enjoy sweeping vistas of the majestic Pic d'Anie, the broader Pyrenees mountain range, and on clear days, even the Béarn plains. The "Issarbe Ridges" are particularly highlighted for their impressive panoramas. Many passes, including Pierre Saint-Martin Pass, also offer wonderful landscapes and scenic viewpoints.
While many passes in the Pyrenees can be challenging, the Domaine d'Issarbe offers marked trails suitable for various levels, including easier options for hiking and snowshoeing. The Labays Pass is described as an intermediate route with an irregular climb that includes a descending passage, allowing for recovery after steeper sections, making it less continuously demanding than some others.
The Domaine d'Issarbe is a high-altitude plateau offering a quintessential Pyrenean mountain experience. It's celebrated for its breathtaking 360-degree panoramic views, diverse year-round activities (cross-country skiing and snowshoeing in winter; hiking, mountain biking, and paragliding in summer), and its preserved, authentic mountain setting. It's also an important ecological habitat and a place where traditional pastoralism is still practiced.
The best time to visit depends on your desired activities. For hiking, mountain biking, and paragliding, the summer months offer ideal conditions. In winter, the Domaine d'Issarbe transforms into a Nordic ski area, perfect for cross-country skiing and snowshoeing. The region offers diverse experiences throughout the year, with each season presenting its unique charm.
Yes, the Domaine d'Issarbe is particularly well-suited for families. In winter, it offers a dedicated sledding slope and marked snowshoeing routes. In summer, its marked trails are great for family hikes. The area is described as peaceful and natural, making it ideal for families seeking tranquility and outdoor activities away from crowded resorts.
While specific regulations can vary, many natural areas in the Pyrenees generally allow dogs on trails, often requiring them to be on a leash to protect wildlife and livestock. It's always advisable to check local signage or specific trail guidelines for the particular pass or area you plan to visit, especially in ecologically sensitive zones like the Domaine d'Issarbe, which is a vital habitat for birds like the Grand Tétras.
Near the Domaine d'Issarbe, you can find the "Le Grand Tétras" restaurant, which serves traditional, local cuisine with panoramic views. There is also a renovated refuge offering dormitory and family room accommodations. For broader options, the nearby village of Lanne-En-Barétous and surrounding towns provide additional cafes, restaurants, and lodging choices.
Yes, the Pierre Saint-Martin Pass holds cultural significance. It is the site where the 'Tribute of the 3 cows' takes place every 13th of July, an ancient treaty considered one of the oldest in force in Europe. This event adds a unique historical dimension to the natural beauty of the pass.
Beyond exploring the passes themselves, the region around Lanne-En-Barétous offers a variety of outdoor activities. You can find numerous hiking trails, including routes like the "Issarbe station – Issarbe pass loop." For cyclists, there are MTB trails, such as the "Pierre Saint-Martin Pass – Soudet Pass loop," and gravel biking routes. In winter, the Domaine d'Issarbe is popular for cross-country skiing and snowshoeing.
While the main passes are popular, some routes offer a more secluded experience. For instance, Col de Lie is described as a small, narrow road lost in the mountains, offering a lot of peace and beautiful landscapes, making it a less-known but rewarding discovery for those seeking tranquility.
The mountain passes and surrounding areas are rich in biodiversity. The Domaine d'Issarbe, for example, is a vital habitat for the Grand Tétras (capercaillie), an emblematic bird of the Pyrenees. Visitors may also encounter various other bird species, local livestock such as cows and sheep, and potentially other Pyrenean wildlife, especially in the more remote and preserved settings.
The Domaine d'Issarbe is described as "easily accessible." It is located approximately 17 kilometers from Lanne-En-Barétous, and the road leading to it (D632) is a scenic mountain drive. This accessibility makes it a convenient destination for a day trip or a longer stay to explore its offerings.


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