4.7
(54)
3,370
riders
71
rides
Road cycling in Valles Occidentales offers a diverse landscape for cyclists, characterized by its mountainous terrain, deep valleys, and scenic passes. The region features a network of roads that wind through the Pyrenean foothills, providing varied elevation profiles suitable for different skill levels. Cyclists can expect routes that traverse both open landscapes and areas with dense woodlands, often alongside rivers. This area is known for its challenging ascents and rewarding descents, making it a destination for road cyclists seeking elevation…
Last updated: May 20, 2026
188
riders
116km
06:03
1,910m
1,910m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
40
riders
34.3km
02:09
570m
570m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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28
riders
63.3km
03:49
1,250m
1,250m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
14
riders
60.0km
03:01
810m
810m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.0
(1)
16
riders
34.3km
02:00
770m
770m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Valles Occidentales
It is a beautiful mountain pass that links the Roncal Valley (Navarra) with the Ansó Valley (Aragon). It is a mountain pass that I am very fond of for several reasons: (i) the road is very winding, with many curves and hairpin bends, especially on the Navarre side (ii) it is a mountain pass with no steep slopes on either side (iii) there is hardly any car or motorcycle traffic. It is very peaceful and you can fully concentrate on the climb, on your pace, on your sensations. The asphalt on the Aragonese side is in very poor condition, although that also makes it attractive because you can imagine what the roads were like that professionals used in the 90s and before. It can be linked to other ports and is a beautiful gateway to the Pyrenees.
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The entrance to the gorge that leads to the spectacular Oza Forest is the famous Hell's Mouth. From the road, where it is perfectly signposted, there are views of it. However, I recommend following the signs and entering on foot through the vegetation to have a better view of the Hell's Mouth.
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A beautiful valley with spectacular views, which can be accessed without difficulty (either from Ansó or from the Roncal valley), where you can breathe peace and tranquility and where you can enjoy a nice swim in the river on the hottest days of the year.
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Isaba, also known as Izaba in Basque, is a picturesque village located in the Roncal Valley in the Navarrese Pyrenees, northern Spain. This charming village is known for its rich history dating back to the Middle Ages, when it was a strategic outpost for the Kingdom of Navarre. Isaba offers breathtaking scenery with lush green meadows in spring, colorful autumn leaves and snow-capped mountains in winter.
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There is a drinking water point after the bridge.
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Aragüés del Puerto (Aragüés de lo Puerto in Aragonese, or also Aragüés d'o Puerto) is a municipality and town in the province of Huesca, in Aragon, Spain. Located in the Jacetania region in the Aragüés valley, a foothill of the Hecho valley. It is located in the Pyrenees mountain range, at an altitude of 970 metres above sea level. Its population is 116 inhabitants (INE 2021). It preserves numerous representative houses of traditional Pyrenean architecture, which make up a group of interesting architectural and tourist attractions.
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Jasa (Chasa in Aragonese) is a municipality and town in the province of Huesca, in the autonomous community of Aragon, Spain. The municipality, located in the Jacetania region, has a population of 102 inhabitants (INE 2023). It covers an area of 8.9 km². Located in the Aragüés valley at an altitude of 944 m, in the north of the province. Together with Ansó, Aragüés del Puerto and Valle de Hecho it is part of the Mancomunidad de Los Valles. Its population was 111 inhabitants in 2014. Part of its municipal area is occupied by the Valles Occidentales natural park.
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An ideal place to bathe in a high mountain river. The setting is idyllic and the water will surely refresh you! Don't hesitate to take a dip even if you have to take off your cycling shoes and jersey!
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Valles Occidentales features over 70 road cycling routes, ranging from easy to difficult, designed to suit various skill levels and preferences. The region's diverse terrain, with its mountainous passes and deep valleys, provides a wide array of options for cyclists.
Yes, Valles Occidentales offers several routes suitable for beginners. While the region is known for its challenging ascents, there are 4 easy routes and 26 moderate routes that provide a less strenuous experience, allowing newer cyclists to enjoy the scenic landscapes without excessive difficulty.
Road cycling in Valles Occidentales is characterized by mountainous terrain, deep valleys, and scenic passes within the Pyrenean foothills. Routes often feature challenging ascents and rewarding descents, winding through both open landscapes and areas with dense woodlands, sometimes alongside rivers.
Absolutely. Valles Occidentales is well-suited for experienced riders seeking a challenge, with 43 difficult routes available. For instance, the Somport Pass – Jasa loop from Parking de la Mina is a demanding 182 km route with significant elevation gain, offering a true test of endurance.
Along the road cycling routes, you can encounter impressive natural features and historical sites. Highlights include the dramatic Boca del Infierno Gorge and the scenic Collado de Argibiela mountain pass. Routes like the Jasa – Siresa Monastery loop from Borda Bisaltico also lead past historical sites.
Yes, many road cycling routes in Valles Occidentales are designed as loops, offering convenient starting and ending points. Examples include the challenging Ochagavía – Collado de Argibiela loop from Aparcamiento de Tacheras and the moderate View of the Peaks of Zuriza – Ansó loop from Aparcamiento de Tacheras.
The komoot community highly rates road cycling in Valles Occidentales, with an average score of 4.7 stars from over 50 reviews. Cyclists frequently praise the region's diverse and challenging terrain, the rewarding descents after significant climbs, and the stunning views of the Pyrenean foothills and deep valleys.
The best season for road biking in Valles Occidentales generally spans from late spring to early autumn. During these months, the weather is typically more stable, with milder temperatures and less chance of snow at higher elevations, making the mountain passes more accessible and enjoyable for cycling.
Many routes in Valles Occidentales offer breathtaking scenic viewpoints due to the region's mountainous nature. The View of the Peaks of Zuriza – Ansó loop from Aparcamiento de Tacheras, for example, provides stunning vistas of the Peaks of Zuriza and the Ansó valley. The various mountain passes, such as Collado de Argibiela, are also excellent for panoramic views.
While some popular routes can see more traffic, Valles Occidentales offers a vast network of roads through its valleys and mountains. Exploring some of the lesser-known moderate or difficult routes, particularly during weekdays or outside of peak holiday periods, can lead to a more tranquil cycling experience away from the crowds.
The duration of road cycling routes in Valles Occidentales varies significantly based on distance and difficulty. Shorter, moderate routes like the Jasa – Siresa Monastery loop from Borda Bisaltico can be completed in about 3 hours, while longer, difficult routes such as the Ochagavía – Collado de Argibiela loop from Aparcamiento de Tacheras can take over 6 hours.
Yes, Valles Occidentales is home to several iconic mountain passes that are popular among road cyclists. The Collado de Argibiela is a well-known pass featured in routes like the View of the Peaks of Zuriza – Collado de Argibiela loop from Isaba / Izaba, offering challenging climbs and stunning views.


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