4.3
(408)
2,888
hikers
56
hikes
Hiking in Lic-Montaña Oriental offers diverse landscapes within the eastern Cantabrian Mountains of Spain. The region features significant elevation changes, with valley floors as low as 75 meters and peaks reaching over 1,700 meters, creating dramatic ascents. The geology transitions from terrigenous to calcareous, resulting in extensive karst formations and varied forests, including beech and holm oak groves. The area also encompasses the headwaters of the Pas, Miera, and Asón rivers.
Last updated: July 20, 2026
4.7
(20)
144
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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3.8
(5)
32
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.6
(9)
64
hikers
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.0
(1)
32
hikers
9.54km
04:26
640m
640m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience 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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The panoramic views from the top are spectacular
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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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Castro Valnera is a beautiful, formidable mountain with its 1,718 meters. It is the highest in the eastern sector of the Cantabrian mountain range.
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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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Lic-Montaña Oriental offers a wide range of hiking opportunities, with over 50 trails to explore. These routes cater to various skill levels, from moderate paths to more challenging ascents through its mountainous terrain.
Yes, Lic-Montaña Oriental has 8 easy hiking trails perfect for beginners or families. These routes allow you to enjoy the region's natural beauty without significant difficulty. For a moderate circular path through the natural park, consider the Parque Natural de los Collados del Asón – circular to Canal Honda via Brenarromán.
For experienced hikers, there are 22 difficult trails in Lic-Montaña Oriental. These routes often feature significant elevation changes and explore the region's rugged karst formations. An example is the Parque Natural de los Collados del Asón – circular route via the Bustalveinte glacier route (PR-S 66), which explores remnants of glacial activity.
Yes, many trails in Lic-Montaña Oriental are circular, offering varied scenery without retracing your steps. A popular option is the Parque Natural de los Collados del Asón – circular by the Camino del Val del Asón (PR-S 14), a moderate route through the natural park.
While many trails in natural areas like Lic-Montaña Oriental are generally dog-friendly, it's always best to check specific regulations for the Collados del Asón Natural Park or any protected areas you plan to visit. Keep dogs on a leash to protect local wildlife, especially during nesting seasons, and ensure you carry out all waste.
Yes, the region is known for its water features, being the headwaters of several rivers. You can find impressive sights like the Asón Waterfall, a notable highlight that can be incorporated into various hiking routes.
Lic-Montaña Oriental is rich in natural landmarks. Hikers can explore the dramatic Canal Honda gorge, reach the Castro Valnera Summit for panoramic views, or enjoy the vistas from the Alto de la Posadía viewpoint. The region's extensive karst formations also create unique geological features.
The best season for hiking in Lic-Montaña Oriental is generally spring and autumn when temperatures are mild and the landscapes are vibrant. Spring brings lush greenery and blooming flora, while autumn offers stunning fall colors in the beech and holm oak forests. Summer can be pleasant at higher elevations, but lower valleys might be warmer.
The trails in Lic-Montaña Oriental are highly rated by the komoot community, with an average score of 4.4 stars from over 200 reviews. Hikers often praise the diverse landscapes, from dramatic mountainous terrain to unique karst formations and varied forests, making for scenic and rewarding treks.
Yes, several routes provide excellent views of Castro Valnera, the highest peak in the region. For a direct ascent, consider the Portillo Lunada path to Castro Valnera, which offers a challenging climb to the summit.
Absolutely. The Collados del Asón Natural Park is a central feature of Lic-Montaña Oriental, and many trails traverse its diverse landscapes. A challenging option is the Tour of the Hill through the High of the Inn - Natural Park of the Collados del Asón (PR-S 77), which leads through mountainous terrain within the park.


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