4.4
(233)
1,843
hikers
18
hikes
Hiking in Collados Del Asón Natural Park offers diverse landscapes within the Cantabrian Mountains. The region is characterized by significant karstic and glacial formations, including limestone outcrops and glacial cirques. Water features such as the Asón Waterfall and the sources of the Asón and Gándara rivers are prominent. The park also features varied ecosystems, from beech forests to Cantabrian holm oaks, providing a range of natural environments for hiking.
Last updated: June 25, 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.
2
hikers
11.8km
04:36
520m
520m
Hard hike. 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.
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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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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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Located in the heart of the Collados del Asón Park, the Brenarromán plateau offers wonderful views of a very characteristic landscape of the Cantabrian interior that is worth appreciating.
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Perhaps one of the most descriptive sites of which is the landscape of the Asón hills. Here, in addition, several paths converge that allow you to cover it almost completely, although when hiking, they can be very technical or even impassable for the bike.
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Collados del Asón Natural Park is characterized by its unique glacial and karstic formations, including impressive limestone outcrops and glacial cirques like the Circo de Hondojón. You'll also encounter dramatic water features such as the Asón Waterfall and the sources of the Asón and Gándara rivers. The park features diverse ecosystems, from small beech forests to Cantabrian holm oaks, offering varied natural environments.
There are over 15 hiking trails in Collados del Asón, catering to various skill levels. The park offers a good mix of routes, with options ranging from moderate walks to more challenging treks.
Yes, Collados del Asón offers several easier routes. For instance, the Asón Waterfall loop from Asón is a moderate option that is shorter and less strenuous, making it a good choice for those seeking a more relaxed experience while still enjoying the park's natural beauty.
The park is rich in natural landmarks. The Asón Waterfall is a prominent attraction, and you can also explore the source of the Asón River. Other significant features include the glacial Circo de Hondojón and the impressive Canal Honda. For panoramic views, the Alto de la Posadía is an excellent viewpoint.
Yes, many routes in Collados del Asón are circular, allowing you to start and end at the same point. An example is the Parque Natural de los Collados del Asón – circular to Canal Honda via Brenarromán, which offers varied terrain within the natural park.
The best time to hike in Collados del Asón is generally during spring, summer, and early autumn when the weather is milder and trails are more accessible. Spring brings lush greenery and flowing waterfalls, while autumn offers beautiful foliage. Winter hiking can be challenging due to snow and ice, especially on higher routes.
The trails in Collados del Asón range from moderate to difficult. While there are a few easier options, the majority of routes involve significant elevation changes and varied terrain, reflecting the park's mountainous character. For example, the Tour of the Hill through the High of the Inn is a difficult trail with considerable ascent.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 180 reviews. Hikers often praise the stunning panoramic views of the Cantabrian Mountains, the unique glacial and karstic landscapes, and the impressive waterfalls.
Collados del Asón boasts a diverse range of flora and fauna characteristic of the Cantabrian mountain range. The park's undisturbed nature makes it a good place for wildlife spotting, including various birds of prey, especially from viewpoints like the Mirador de la Cascada del Asón.
Yes, the park's glacial past is a defining feature. The Parque Natural de los Collados del Asón – circular route via the Bustalveinte glacier route (PR-S 66) is a difficult path specifically designed to explore the park's glacial history and features, including the spectacular Circo de Hondojón.
Many hiking routes throughout the park offer gorgeous panoramic views of the Cantabrian Mountains and the Soba Valley. The Alto de la Posadía is a notable viewpoint, and the Mirador de la Cascada del Asón is also excellent for appreciating the scenic beauty.


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