4.4
(719)
5,443
hikers
3
hikes
Waterfall hiking trails around Lic-Rio Miera traverse a diverse landscape, transitioning from mountainous terrain to a more open valley as the Miera River approaches the sea. The region is characterized by its dramatic gorges carved through limestone massifs, featuring rapids and pools, alongside intense karst formations like sinkholes and poljes. Hikers will encounter well-preserved gallery forests of alders and willows along riverbanks, as well as extensive beech and holm oak forests further inland. Evidence of past glaciation, including circuses and moraines, is also visible in the upper reaches of the valley.
Last updated: July 7, 2026
3.8
(5)
31
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness 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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3
hikers
16.2km
07:34
1,120m
1,120m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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In each horseshoe of the road you will have a panoramic point towards the imposing waterfall of more than 70 meters that physically marks the source of the Asón river. A wonderful landscape that deserves a few minutes to enjoy it.
2
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Both the waterfall and the environment that surrounds it are simply wonderful. Easily accessible, this waterfall is a waterfall of about 70 meters with a natural pool at its feet. A true paradise that deserves to be visited at any time of the year, although it is recommended in spring-summer.
1
0
A good place to recharge your batteries on the Asón river trail
0
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Excellent cavity, easily accessible, at least to some extent. I had the front and even so I did not enter more than a few meters, due to the wet terrain and the very strong wind that came from the interior.
0
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In the middle of the Asón river path, on the way to Arredondo.
0
0
It is difficult to get to the same waterfall. And many times it carries very little water, like the day I was there.
1
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Wonderful place to rest at its entrance if you have passed near a route (a very cool and sheltered place) or to enter and marvel at the wonderful rooms inside. Specifically, I know the Hall of Ghosts and I recommend it (yes, with a person who knows by your side because it is not to enter without a minimum knowledge, it can be very dangerous)
0
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Lic-Rio Miera offers a selection of 4 dedicated waterfall hiking trails. These routes traverse diverse landscapes, from mountainous terrain to open valleys, showcasing the region's dramatic gorges and extensive forests.
While all listed waterfall trails are rated moderate or difficult, the region generally offers paths suitable for various fitness levels. For a moderate option that directly accesses a prominent waterfall, consider the Asón Waterfall loop from Asón, which is 4.8 miles (7.7 km) long and starts and ends in the village of Asón. This route provides a good balance for families looking for an engaging walk.
The Miera Valley's waterfalls are particularly impressive after periods of rain or during spring snowmelt, when water levels are high. The region's diverse forests, including extensive beech and holm oak groves, also offer stunning scenery during autumn. Summer provides generally stable weather for hiking, though waterfalls might be less voluminous. Always check local weather conditions before heading out.
Many trails in natural areas like Lic-Rio Miera are generally dog-friendly, especially if kept on a leash. Given the region's rich biodiversity and protected areas, it's always recommended to keep dogs under control to protect wildlife and ensure a pleasant experience for all hikers. Specific regulations can vary, so look for signage at trailheads.
Yes, several waterfall hikes in Lic-Rio Miera are designed as circular routes, allowing you to start and end at the same point. A notable option is the Parque Natural de los Collados del Asón – circular by the Camino del Val del Asón (PR-S 14), a 9.2-mile (14.8 km) trail offering a comprehensive loop through the natural park.
Beyond the waterfalls themselves, you'll encounter a rich variety of natural features. The Miera River carves dramatic gorges through limestone massifs, creating rapids and pools. The region is also known for intense karst formations like sinkholes and poljes. You'll hike through well-preserved gallery forests of alders and willows along riverbanks, and extensive beech and holm oak forests further inland. Evidence of past glaciation, such as circuses and moraines, is also visible in the upper reaches of the valley.
The hiking trails in Lic-Rio Miera are highly regarded by the komoot community, boasting an average rating of 4.4 stars from over 300 reviews. More than 2600 hikers have explored this varied terrain, often praising the stunning natural beauty, the dramatic gorges, and the peaceful forest environments.
For experienced hikers seeking a challenge, the Mortillano Summit – Asón Waterfall loop from Asón is a difficult 10.1-mile (16.2 km) route. This trail features significant elevation gain, offering panoramic views and a rewarding experience for those prepared for a strenuous ascent.
Given the varied terrain and potential for wet conditions near waterfalls, it's advisable to wear sturdy, waterproof hiking boots with good grip. Layered clothing is recommended to adapt to changing temperatures, especially in mountainous areas. A waterproof jacket is also a good idea, regardless of the forecast, due to the region's climate and proximity to water.
Yes, the Lic-Rio Miera area offers several points of interest. You can explore the Aguanaz River and Frenchman’s Cave, or visit the historical Carlos III Gate. The Casa de Miera-Rubalcaba also provides a glimpse into the region's heritage. These attractions can complement your waterfall hiking experience.
The duration of waterfall hikes varies depending on the specific route and your pace. For example, the Parque Natural de los Collados del Asón – circular by the Camino del Val del Asón (PR-S 14) typically takes around 4 hours and 17 minutes, while the shorter Asón Waterfall loop from Asón can be completed in about 2 hours and 20 minutes. More challenging routes, like the Mortillano Summit – Asón Waterfall loop from Asón, can take over 7 hours.
Parking availability varies by trailhead. For routes like the Asón Waterfall loop from Asón, starting points in villages like Asón typically offer designated parking areas. For other trails, it's advisable to check specific route details or local information for parking options near the starting points to ensure a smooth start to your hike.
Yes, the varied terrain of Lic-Rio Miera often includes scenic viewpoints. The Mirador Busampiro – Alto de El Escajal loop from La Cavada is an 8.6-mile (13.8 km) trail specifically designed to lead through varied terrain to scenic overlooks, providing stunning vistas of the surrounding landscapes and potentially the waterfalls from a distance.


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