4.5
(20)
615
riders
66
rides
Gravel biking in Biscay offers a diverse landscape characterized by dramatic coastlines, lush river valleys, and challenging mountain ranges. The region's topography includes significant elevation changes, particularly in areas like Urkiola and Gorbeia Natural Parks. Extensive forest-covered mountains and river systems provide varied terrain for gravel routes. This combination of features makes Biscay suitable for a range of gravel biking experiences.
Last updated: May 11, 2026
5.0
(1)
25
riders
49.1km
03:14
850m
850m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
20
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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20
riders
33.3km
02:58
690m
690m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
21
riders
44.2km
03:39
1,020m
1,020m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
5.0
(3)
30
riders
56.2km
03:27
910m
910m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
14
riders
21.9km
01:59
480m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
17
riders
27.4km
02:03
540m
540m
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.
8
riders
51.0km
03:55
1,060m
1,060m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
riders
20.0km
01:39
470m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Euskal Herria footpath (GR 12) – The infinite mountain range
Road to Lisbon – bikepacking the Alps, Pyrenees and Picos de Europa
Long, gentle climb. 11km at approximately 5%
0
0
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
It runs along an acceptable surface, bordering the Zubizabala stream.
0
0
no kidding. 32 miles of this round trip of 40 miles was on gorgeous bike trails
0
0
Biscay offers a diverse gravel biking landscape, ranging from dramatic coastlines with cliffs and coves to lush river valleys and challenging mountain ranges. You'll encounter significant elevation changes, especially in areas like Urkiola and Gorbeia Natural Parks, as well as extensive forest-covered mountains and river systems. The region's varied topography provides a mix of surfaces suitable for gravel bikes.
There are over 110 gravel bike routes available in Biscay. While many routes feature significant elevation and are rated as difficult, there are options for various ability levels. The komoot community has highly rated these routes, with an average score of 4.7 stars.
Yes, Biscay is known for its challenging gravel routes. For instance, the A & C Tunnel Entrance – El Sobaco Tunnel loop from Castaño auzunea is a difficult 35-mile (56.2 km) path with over 900 meters of elevation gain. Another demanding option is the El Sobaco Tunnel – Lago de Galdames loop from Muskiz, which covers nearly 42 miles (67.8 km) and features almost 1,300 meters of climbing.
Absolutely. Biscay's varied landscape offers numerous opportunities for scenic views. The View of Bilbao and Rest Area – Hirumugarrieta Megalithic Site loop from Basarrate is a popular 18.4-mile (29.5 km) trail that leads through hilly landscapes with excellent viewpoints, including vistas of Bilbao. You can also find panoramic mountain views in areas like Urkiola Natural Park.
Biscay's gravel trails can lead you to a variety of natural attractions. You might encounter impressive mountain peaks like Anboto (1,331 m) or Gorbea Summit. The region also features significant natural parks such as Urkiola, known for its diverse flora and beech forests, and Gorbeia, with its unique karst formations. The Urdaibai Biosphere Reserve offers scenic coastal routes through estuaries and salt marshes.
Yes, many gravel bike routes in Biscay are designed as loops, allowing you to start and finish at the same point. Examples include the El Sobaco Tunnel – A & C Tunnel Entrance loop from Putxeta, a 30.5-mile (49.2 km) route, or the A & C Tunnel Entrance – El Sobaco Tunnel loop from Ansio, which is a longer 44.2-mile (71.2 km) option.
Biscay's oceanic climate, characterized by consistent precipitation and moderate temperatures, makes it suitable for outdoor activities, including gravel biking, year-round. However, spring and autumn generally offer the most pleasant conditions with milder temperatures and lush landscapes, avoiding the hotter summer months and potentially wetter winter periods.
Yes, Biscay's geography includes several river valleys and a dramatic coastline perfect for gravel biking. The main river valleys, formed by the Nervión, Ibaizabal, and Kadagua rivers, offer lush, green environments. You can also find scenic coastal routes, particularly within the Urdaibai Biosphere Reserve, where the land meets the sea with sandbanks and salt marshes. The Riverside Cycle Path to Bilbao – Views of the Bilbao estuary loop from Santimami/San Mamés is a great option for river views.
While many routes in Biscay are rated as difficult due to significant elevation, there are some options that might be more approachable. For example, the Bar del Vivero – Gentle Slope Trail loop from Biscay is a 13.7-mile (22 km) route with less elevation gain compared to others, making it a good starting point. Always check the route details for elevation and distance to match your fitness level.
Parking availability varies by trailhead. Many routes start from towns or villages where public parking may be available. For routes like the Kortatxikieta Picnic Area – Forest Trail Near Bilbao loop from Ariz, you might find parking near designated picnic or recreational areas. It's advisable to check specific route details on komoot for suggested starting points and parking information.
Public transport options to trailheads depend on the specific route's starting location. Major towns and cities in Biscay, such as Bilbao, are well-connected by public transport. Some routes may be accessible via local train or bus services, particularly those starting near urban or suburban areas. For example, routes originating near Bilbao, like the Hirumugarrieta Megalithic Site – Forest Trail Near Bilbao loop from Elotxelerri, might have public transport links nearby.
Biscay is home to several natural parks that offer excellent gravel biking opportunities. You can cycle through the impressive Urkiola Natural Park, known for its alpine trails, significant elevation, and diverse flora. Gorbeia Natural Park, featuring Mount Gorbeia, also provides numerous routes through a rich natural heritage, including the Wetland of Saldropo and the Itxina Protected Biotope with its distinctive karst formations. These parks are Natura 2000 classified areas, highlighting their ecological importance.


Check out more Gravel rides throughout Biscay below and find the perfect route in your destination.