Mountain passes around Seira, a municipality in the Spanish Pyrenees, offer routes through a mountainous landscape. This region is characterized by its challenging terrain, historical sites, and views of prominent peaks. Visitors can explore a variety of passes, from demanding gravel tracks to scenic roads leading to ancient monasteries. The area provides opportunities for outdoor activities amidst diverse natural features.
Last updated: June 26, 2026
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An idyllic meadow in the middle of the forest, located on the North face of Peña Montañesa
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A legendary mountain pass in the Pyrenees. A crossing point between the Chistau and Benasque valleys, linking Sobrarbe and Ribagorza at an altitude of 2000m.
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A very enjoyable climb. No steep inclines, a narrow but well-maintained road. The finish at the foot of Peña Montañesa has its charm.
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Collado de Cullivert is the link between the Cotiella massif (2912 m), Sierra Ferrera and the Peña Montañesa (2291 m). Natural passage between the regions of Ribagorza and Sobrarbe, separation line of the slopes of the Ésera and Cinca rivers. Access to the Cullivert pass (1,471 m) is via a demanding but beautiful track of almost 6 km that goes up the Ravine of Viu.
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Parking at start of hike. Watch out for the high concrete edge.
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Access is via forest tracks in good condition. Obviously, to reach 2000m it takes a little time but the reward is worth it: the views are magnificent over the valleys and peaks at 360 degrees. A delight !
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This is the natural pass between the valleys of Chistau and Benasque. As such, it has been used for millennia and proof of this is the megalithic circle next to the track, which even then served to delimit border limits called "mugas".
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This is the natural pass between the valleys of Chistau and Benasque. As such, it has been used for millennia and proof of this is the megalithic circle next to the track, which even then served to delimit border limits called "mugas".
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Seira is a municipality located in the Spanish Pyrenees. The mountain passes in this region offer routes through a mountainous landscape characterized by challenging terrain, historical sites, and views of prominent peaks. You can explore a variety of passes, from demanding gravel tracks to scenic roads leading to ancient monasteries.
Many passes in the Seira region boast impressive vistas. For example, Collado de Sahún provides views of peaks like Aneto, Posets, and Monte Perdido. Coll de Fadas also offers spectacular views over the Posets massif.
Yes, the region offers a variety of mountain passes ranging from intermediate trails to challenging climbs. While some, like Collado de Sahún, feature demanding gravel tracks and significant altitude differences, others may be more accessible. It's always recommended to check the specific route details before heading out.
One notable historical site is the Monastery of San Victorián, considered the oldest in Spain. The Puerto de Arro – Monastery of San Victorián pass leads directly to this 6th-century monastery, offering a blend of natural beauty and rich history.
The terrain varies significantly. Some passes, like Collado de Sahún, feature rough gravel tracks, while others, such as the route to the Monastery of San Victorián via Puerto de Arro, are described as well-developed and signposted tracks with steady climbs.
Absolutely. Passes like Collado de Sahún are known for their demanding gravel tracks and significant altitude gains, making them a tough challenge. Coll de Fadas is also described as a hard 'double col' due to varied elevation changes, appealing to those seeking a rigorous experience.
The Seira region is excellent for various outdoor activities. You can find numerous MTB trails, including challenging loops like the Sierra de Chía Loop Trail. There are also many running trails, such as the Ibón de Plan Trail, and gravel biking routes, like the 'Best views of the Benasque Valley – Collado de Sahún loop'.
Yes, the area is popular for gravel biking. Routes like the 'Best views of the Benasque Valley – Collado de Sahún loop from Chía' and the 'Castejón de Sos – Coll de Fadas loop from Castejón de Sos' are excellent options for gravel cyclists. You can find more details on gravel biking around Seira.
Visitors frequently praise the stunning natural beauty and the sense of accomplishment from tackling challenging routes. The panoramic views of prominent peaks, the rugged and remote feel of some passes, and the opportunity to explore historical sites like the Monastery of San Victorián are highly appreciated. The light traffic on some routes also adds to the enjoyable experience.
Yes, there are several running trails available. For instance, you can explore the Ibón de Plan Trail via GR 15 or the Ibones de Barbarisa Trail from Collado de Sahún. Many of these are challenging and offer great views. More running options can be found in the running trails guide for Seira.
Cullivert Pass serves as a natural link between the Cotiella massif, Sierra Ferrera, and Peña Montañesa. It's known for its demanding but beautiful track that ascends the Ravine of Viu, leading to an idyllic meadow surrounded by forest on the north face of Peña Montañesa.
The Grist Pass or Forqueta Pass is a passing point for one of the variants of the trans-Pyrenean path (GR-11.2), connecting the Chistau and Benasque valleys. It's known for being a fairly hard climb, especially under direct sun, and offers views of the peak that presides over it, also called Forqueta.


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