4.7
(33)
376
riders
26
rides
Gravel biking around Zierbena offers a diverse landscape characterized by coastal paths, rolling hills, and forested areas. The region features a mix of natural terrain and historical infrastructure, including tunnels and greenways, providing varied surfaces for gravel cyclists. Elevation changes are common, with routes often including significant climbs and descents. The proximity to the coast also introduces views of the Bay of Biscay and its cliffs.
Last updated: July 17, 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.
4.8
(14)
91
riders
48.4km
02:54
740m
740m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(4)
33
riders
38.1km
02:23
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
18
riders
43.0km
03:27
1,010m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(4)
17
riders
31.3km
02:02
560m
560m
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.
2
riders
78.0km
06:50
2,280m
2,280m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
70.2km
04:39
1,330m
1,330m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
54.1km
03:59
1,230m
1,230m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Nice to drive and there are also some drinking water points
0
0
Bridge on the cycle superhighway over the motorway junction, for cyclists and pedestrians
1
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
no kidding. 32 miles of this round trip of 40 miles was on gorgeous bike trails
0
0
simple and family route.
0
1
one of the oldest and most beautiful bike lanes in the Basque Country
0
0
Zierbena offers over 30 distinct gravel bike trails, providing a variety of options for different skill levels and preferences. You'll find a mix of moderate and difficult routes to explore the region's diverse landscape.
While many routes in Zierbena feature significant elevation changes, there are several moderate trails that can be suitable for beginners or those looking for a less strenuous ride. For example, the Geltoki Restaurant – Lago de Galdames loop from Barbadungo itsasadarra KBE is a moderate option that leads through natural landscapes and past a lake.
Zierbena is well-suited for advanced gravel bikers, with 26 routes classified as difficult. These trails often feature significant elevation gains and varied terrain. A challenging option is the El Sobaco Tunnel – Lago de Galdames loop from Muskiz, which covers over 67 km with substantial climbing.
Yes, many of the gravel bike trails around Zierbena 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 challenging 49 km ride, or the coastal Azkorri Beach View – View of La Galea Cliffs loop from Leioa.
Gravel biking in Zierbena offers a rich variety of scenery. You'll encounter coastal paths with views of the Bay of Biscay and its cliffs, rolling hills, and dense forested areas. Many routes also feature historical infrastructure like tunnels and greenways, blending natural beauty with cultural elements.
Yes, the region around Zierbena is rich in historical and natural points of interest. You might pass by the Greenway of the Montes del Hierro, explore the Punta Lucero Battery, or discover the Old Coastal Artillery Battery. Some routes also offer views of the Zierbena Marina.
The gravel biking routes in Zierbena are highly rated by the komoot community, with an average score of 4.7 stars from over 14 reviews. Riders often praise the diverse terrain, challenging climbs, and the stunning coastal views, particularly those overlooking the Bay of Biscay.
Route lengths vary significantly, from moderate rides around 30 km to more extensive tours exceeding 130 km. Durations can range from under 3 hours for shorter loops to over 11 hours for the longest and most challenging routes, such as the Piquillo Greenway – Guggenheim Museum Bilbao loop from Kobaron.
Zierbena's coastal proximity means milder winters compared to inland areas, making gravel biking generally possible year-round. However, coastal weather can be unpredictable, so it's always advisable to check local forecasts for rain and wind conditions before heading out. The varied terrain, including forested sections, can offer some shelter.
Many starting points for gravel bike trails in and around Zierbena offer convenient parking options. For instance, routes originating from towns like Putxeta, Muskiz, or Leioa typically have accessible parking nearby, making it easy to unload your bike and start your adventure.
While popular routes like the El Sobaco Tunnel loop are well-loved, the extensive network of trails means there are always less-traveled paths to discover. Exploring routes that venture deeper into the forested hills or along lesser-known greenways can reveal quieter sections and unique perspectives of the Zierbena landscape. Consider the Pozo Hostión – Path to Regato loop from Sagrada Familia for a longer, less-trodden adventure.
Spring and autumn generally offer the most pleasant conditions for gravel biking in Zierbena, with mild temperatures and less extreme weather. Summer can be enjoyable, especially along the coast, but be prepared for warmer temperatures. Winter riding is possible, but checking weather forecasts for rain and wind is essential.
Yes, many routes pass through or near small towns and villages where you can find cafes, restaurants, or local shops to refuel. The Geltoki Restaurant – Lago de Galdames loop from Barbadungo itsasadarra KBE, for example, explicitly mentions a restaurant in its name, indicating opportunities for a stop.
While most listed routes are day trips, the extensive network and the possibility of linking trails allow for longer adventures. For instance, the Piquillo Greenway – Guggenheim Museum Bilbao loop from Kobaron is a significant 138 km ride that could be part of a multi-day exploration, connecting Zierbena's coastal trails with broader regional paths.


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