4.5
(164)
1,380
hikers
62
hikes
Hiking around National Park Collados del Asón offers diverse terrain within the Cantabrian Mountains, characterized by its unique karstic topography and significant glacial features. The landscape ranges from 240 to 1,581 meters in altitude, featuring limestone outcrops, deep canyons, and numerous waterfalls. Hikers can explore areas with ancient beech forests, open meadows, and dramatic rock formations shaped by water and ice.
Last updated: July 9, 2026
4.7
(20)
143
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.7
(9)
76
hikers
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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4.6
(9)
64
hikers
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.9
(27)
262
hikers
7.67km
02:21
270m
270m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.6
(5)
29
hikers
8.96km
02:59
410m
410m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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Beautiful lonely valley end before the short and partly shady climb to Canal Honda
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Nice path through lush meadows. Only animals, no people.
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From here the main routes of the Collados del Asón Natural Park begin. This car park is usually full on weekends and you can also park on the other side of the road
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Mythical place on the routes of the Collados del Asón Natural Park
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It is highly recommended to fill the canteen here, as well as see the information panel.
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This wonderful 700 meter long canyon is located in the heart of the Collados del Asón and is an incredible place. It will give you the feeling of smallness when walking among its immense limestone rock walls that were worn away by the glaciers that once occupied these territories.
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There are over 60 hiking routes available in National Park Collados del Asón, catering to various skill levels. You'll find everything from moderate walks to challenging climbs through its unique karstic landscapes and ancient forests.
The terrain in Collados del Asón is diverse, ranging from 240 to 1,581 meters in altitude. You'll encounter unique karstic formations, deep canyons, limestone outcrops, and ancient beech forests. The park offers a mix of moderate trails, like the Asón Waterfall loop from Asón, and more difficult routes, such as the Tour of the Hill through the High of the Inn, which features significant elevation changes.
Yes, National Park Collados del Asón is renowned for its waterfalls. The most famous is the impressive Cascada del Asón (Asón Waterfall), which is the source of the Asón River. It's about 70 meters high and features a natural pool at its base, making it a beautiful spot, especially in spring and summer. The Nacimiento del Río Gándara (Source of the Gándara River) is another significant water-related attraction.
The park is characterized by its dramatic karstic topography and glacial features. You can explore spectacular 'channeled' rock formations like Castros de Horneo and the 700-meter-long Canal Honda canyon. Evidence of past glaciation is prominent, with the spectacular Circo de Hondojón. Several viewpoints, such as Mirador de la Cascada del Asón, offer panoramic views of the valley and are excellent for birdwatching.
Spring and autumn are generally considered the best times to visit National Park Collados del Asón for hiking. During these seasons, temperatures are pleasant, and the landscapes are particularly vibrant, whether with spring blooms or autumn foliage.
Yes, the park offers several circular routes. A popular option is the Parque Natural de los Collados del Asón – circular to Canal Honda via Brenarromán, which traverses spectacular channeled rock formations. Another is the Parque Natural de los Collados del Asón – circular route via the Bustalveinte glacier route (PR-S 66), offering views of glacial landforms.
While the park offers a range of difficulties, some routes are more suitable for families. Look for shorter, less strenuous options, particularly those leading to viewpoints or the base of waterfalls, which can be enjoyed by all ages. Always check the route details for distance and elevation before setting out with children.
National parks often have specific regulations regarding dogs to protect wildlife and ensure visitor safety. It's advisable to check the official park guidelines or contact the Interpretation Center of the Natural Park in La Gándara for the most current information on dog-friendly trails and any leash requirements.
You can obtain maps and valuable information about National Park Collados del Asón at the Interpretation Center of the Natural Park, located in La Gándara. They can provide details on specific routes, conditions, and any regulations.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 150 reviews. Reviewers often praise the unique karstic formations, the impressive waterfalls, the tranquility of the beech forests, and the dramatic, diverse landscapes shaped by ancient glaciers.
Yes, among the 62 available routes, there are 5 classified as easy, making them suitable for beginners or those looking for a more relaxed experience. These trails typically have less elevation gain and shorter distances, allowing you to enjoy the park's beauty without strenuous effort.
Parking availability can vary depending on the specific trailhead. Many popular starting points and viewpoints, such as those near the Cascada del Asón, typically have designated parking areas. It's recommended to plan your route in advance and check for parking information for your chosen trailhead.


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