5.0
(4)
63
riders
3
rides
Armañón Natural Park gravel cycling routes traffic free traverse a distinctive karst landscape characterized by limestone formations, green pastures, and diverse forests. The region features a hilly and mountainous terrain with peaks and is framed by river gorges, offering varied surfaces for gravel biking. Unpaved roads and trails wind through these natural features, providing a network suitable for no traffic gravel bike trails. This area presents a compelling setting for gravel cyclists seeking both scenic beauty and varied riding experiences.
…Last updated: June 29, 2026
5
riders
24.1km
02:21
730m
730m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
16.5km
01:08
230m
230m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
7
riders
50.5km
03:44
830m
830m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
riders
69.7km
04:54
1,400m
1,400m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
27.2km
02:13
700m
700m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Armañón
Pass road in perfect condition. 7km constant climb from 40 to 340m pass height. The descent is also a dream.
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Already pretty much at the end/beginning of the railway line, here it is even asphalted, before/later not anymore, but always easy to ride.
1
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Short and easy quiet route
0
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An alternative climb to the road with a couple of challenging sections. The condition varies depending on the logging; by 2025, it's suitable for a gravel bike. On the way down, be careful of some water passages.
0
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Fast and very pleasant trail with very good sensations and fun
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This guide highlights 5 dedicated no-traffic gravel bike routes in and around Armañón, offering a range of distances and challenges for your exploration.
Armañón Natural Park is known for its distinctive karst topography, offering a mix of surfaces. You'll encounter unpaved roads, forest paths through beech, oak, and holm oak groves, and trails across green pastures. The area is generally hilly and mountainous, providing varied and engaging gravel riding experiences.
While the routes in this guide range from moderate to difficult, the region offers many quiet paths suitable for families. For a moderately challenging option that could be adapted for experienced families, consider the Public pilgrims' hostel – Playa de Dícido loop from Santullán, which covers 16 km with a manageable elevation gain.
Armañón is rich in natural beauty and historical sites. Along your rides, you might encounter features like the Canal de Mongarrido Bridge or the scenic Corcillo Trail. The region is also famous for its caves, such as the renowned Pozalagua Cave, known for its eccentric stalactites, though these may require a short detour from the main cycling paths.
The no-traffic gravel routes in this guide vary in difficulty. You'll find one moderate route and four difficult routes, reflecting the hilly and mountainous nature of Armañón. For example, the Alto de LA-1 (395 m) – Antenas de La Hoz loop from Costa Oriental is classified as difficult, featuring significant elevation changes over 24 km.
Yes, all the routes featured in this guide are circular, allowing you to start and end at the same point. This includes options like the challenging Alto de LA-1 (395 m) – Oriñón Bay loop from Castro-Urdiales, which offers a substantial 50 km ride with over 800 meters of ascent.
The komoot community highly rates the gravel biking experience in Armañón, with an average score of 5.0 stars. Riders often praise the quiet, car-free nature of the trails, the stunning natural landscapes, and the rewarding climbs that lead to panoramic views over the karst terrain and green pastures.
While specific regulations for dogs on bike trails can vary, Armañón Natural Park generally welcomes dogs on trails when kept on a leash. It's always best to check local signage or the park's official guidelines for the most current information, especially around protected wildlife areas.
Absolutely. For experienced riders seeking a longer challenge, routes like the A & C Tunnel Entrance – Valverde Tunnel loop from Castro-Urdiales offer nearly 70 km of riding with over 1400 meters of elevation gain, providing an extensive no-traffic gravel adventure.
The best time to visit Armañón for gravel biking is typically during spring and autumn. These seasons offer pleasant temperatures, lush scenery, and generally drier trail conditions. Summer can be enjoyable, but be prepared for warmer weather, while winter might bring colder temperatures and potentially wet or muddy trails, especially in higher elevations.
For more detailed information about the natural park, its geology, and visitor services, you can visit the official tourism website for the Enkarterri region: visitenkarterri.com. This can help you plan your trip around the gravel biking routes.


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