4.8
(6)
111
riders
21
rides
Gravel biking around Muskiz offers diverse terrain, characterized by green landscapes, river valleys, and a low mountain range. The region features a mix of forest trails, old road trails, and dedicated cycle paths, providing varied surfaces for gravel cyclists. Situated in the Barbadun river valley, the area extends towards the coast, offering routes that combine inland exploration with views of the Bay of Biscay. This combination of features makes Muskiz suitable for exploring on no traffic gravel bike trails.
Last updated: May 21, 2026
4.3
(3)
56
riders
72.6km
04:32
1,150m
1,150m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
31
riders
56.2km
03:27
910m
910m
Hard gravel ride. Very 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.
8
riders
67.9km
05:04
1,300m
1,300m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
7
riders
38.8km
02:53
890m
890m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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
0
Short and easy quiet route
0
0
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
0
no kidding. 32 miles of this round trip of 40 miles was on gorgeous bike trails
0
0
Classic local spot with stunning panoramic views
0
0
Great cycling route to Bilbao or the coast
0
0
The detour to the mill and forge is a must 🤩
0
0
This guide features over 20 dedicated no-traffic gravel bike trails around Muskiz. These routes are carefully selected to provide a serene and car-free cycling experience, allowing you to fully immerse yourself in the region's natural beauty.
Muskiz offers a diverse range of terrain perfect for gravel biking. You'll find routes incorporating forest trails, old road trails, and the scenic
Vía Verde de los Montes del Hierro
, which follows a tranquil valley. The region is characterized by impressive green landscapes, river valleys, and continuous slopes of a low mountain range, providing varied challenges and views.While many routes in this guide are rated as difficult, the region does offer options for less experienced riders. The
Vía Verde de los Montes del Hierro
is an excellent choice, known for its easy-to-roll surface and gentle incline, making it distinct from car traffic and ideal for a relaxed gravel ride. For a more challenging but still traffic-free experience, consider routes like El Sobaco Tunnel – A & C Tunnel Entrance loop from Putxeta, which offers a significant elevation gain but keeps you away from cars.Muskiz's gravel trails often lead to fascinating natural and historical sites. You can explore the beautiful La Arena Beach, the westernmost beach in the Basque Country, or discover the historical
El Pobal Ferrería (Ironworks)
along the Barbadun River. Many routes also pass by serene lakes such as Pozo Hostión and the Lakes of the Old Iron Mines, offering picturesque stops.Yes, several routes in this guide are circular, allowing you to start and end at the same point without retracing your steps. Examples include El Sobaco Tunnel – A & C Tunnel Entrance loop from Putxeta and A & C Tunnel Entrance – El Sobaco Tunnel loop from Castaño auzunea, both offering extensive loops through the region's landscapes.
Absolutely! The region is rich in mining heritage, and many gravel routes utilize old railway lines. The
Vía Verde de los Montes del Hierro
is a prime example, featuring the impressiveArenao Bridge
(an old railway bridge transformed into a wooden viaduct) and adventurous tunnels on the 'Green Trail of the Eisenberge'. Routes like Puerto de Las Muñecas – Valverde Tunnel loop from Castro-Urdiales also incorporate tunnel sections.The green landscapes of the Basque Country are enjoyable throughout much of the year. Spring and autumn generally offer the most pleasant temperatures for gravel biking, with lush scenery and fewer crowds. Summer can be warm but is also popular, especially near the coast. Winter riding is possible, but be prepared for cooler, potentially wetter conditions, especially on higher elevations.
Many routes in Muskiz provide stunning scenic viewpoints. The area between La Arena Beach and Mont Mello (626 meters) offers impressive vistas. Trails often climb to summits like Apuko Summit (469 m) and Eretza Summit (887 m), rewarding riders with panoramic views of the green landscapes and the Cantabrian Sea.
The komoot community highly rates the gravel biking experience in Muskiz, with an average score of 4.75 stars. Reviewers often praise the region's diverse and challenging terrain, the tranquility of the no-traffic routes, and the stunning natural beauty, especially the green landscapes and coastal views. The well-maintained
Vía Verde
and the historical elements like old mining trails are also frequently highlighted.Yes, for experienced gravel bikers seeking a significant challenge, Muskiz offers several long-distance routes with substantial elevation gains. For instance, El Sobaco Tunnel – Lago de Galdames loop from Muskiz covers nearly 68 km with over 1298 meters of ascent, providing an epic and traffic-free adventure through varied landscapes.
Muskiz itself is accessible by public transport, and some trailheads may be reachable via local bus services. For specific routes, it's advisable to check local transport schedules and connections to the starting points. The
Vía Verde de los Montes del Hierro
is generally well-connected and can be accessed from various points along its length.

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