4.3
(6)
151
riders
21
rides
Gravel bike trails around Portugalete offer diverse landscapes for cycling, situated at the mouth of the Bilbao estuary in the Basque Country. The region features a mix of coastal environments, river valleys, and mountainous terrain, including the Sierra Salvada plateau. Routes often combine paved and unpaved surfaces, such as scenic trails and converted old railway lines known as "vías verdes." This varied topography provides options for different fitness levels, from moderate rides to challenging climbs with significant elevation changes.
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.
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.

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4.3
(3)
13
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
riders
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
3.0
(1)
14
riders
25.6km
02:02
670m
670m
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
I dream about it sometimes. A covered bridge, a reality in Bilbao!
0
0
Very interesting stretch of cycle path along the Ria. There is a lot to see along the route to and from Bilbao.
0
0
Great cycling route to Bilbao or the coast
0
0
The detour to the mill and forge is a must 🤩
0
0
There are nearly 40 gravel bike trails around Portugalete documented on komoot, offering a wide range of options for exploration. The majority of these routes are rated as difficult, with a few moderate options available.
The gravel bike trails around Portugalete feature diverse terrain, including coastal paths along the estuary, routes through mountains and forests, and sections of old railway lines, often converted into "vías verdes." You can expect a mix of paved and unpaved surfaces, with many routes featuring substantial climbs and significant elevation changes, particularly in areas like the Sierra Salvada.
While many routes around Portugalete are rated as difficult, the region's "vías verdes" (greenways), such as the Vía Verde de los Montes de Hierro, often provide flatter, more accessible sections suitable for families. These converted railway lines offer a gentler experience away from traffic. For specific routes, it's best to check individual tour details for difficulty and elevation profiles.
Many natural trails and greenways in the region are generally dog-friendly, provided your dog is well-behaved and kept on a leash, especially in areas with wildlife or other cyclists. However, specific regulations can vary, so it's always recommended to check local signage or park rules for the particular trail you plan to ride.
The region offers several interesting sights. You might encounter the impressive Vizcaya Bridge, a UNESCO World Heritage site, or explore the historic center of Portugalete. Natural attractions include various summits like Saierri Summit (192 m) or Apuko Summit (469 m), and scenic beaches such as La Arena Beach. Further afield, the Sierra Salvada is home to El Salto del Nervión, one of the highest waterfalls in the Iberian Peninsula.
Yes, many of the gravel routes around Portugalete are designed as loops. For example, the challenging Karabezu Summit – Butrón Castle loop from Algorta offers a 43.6 km ride with significant elevation. Another option is the Pozo Hostión – Path to Regato loop from Sagrada Familia, which is a longer, difficult route spanning 78.3 km.
The gravel biking routes in Portugalete are highly rated by the komoot community, with an average score of 4.7 stars from over 10 reviews. Riders often praise the varied terrain, extensive views, and the challenging nature of the rides. Over 300 gravel bikers have used komoot to explore this region, highlighting its popularity among the cycling community.
Portugalete is well-connected, and its proximity to Bilbao means easy access to public transport options. You can often use local trains or buses to reach starting points for various routes. For specific routes, checking local transport schedules and bike carriage policies is advisable.
Parking availability varies by trail start point. In Portugalete itself, there are public parking facilities. For routes starting in more rural areas or smaller towns, street parking might be available, but it's always recommended to check specific locations beforehand. Some trailheads, especially those part of larger parks or recreational areas, may have designated parking lots.
The Basque Country generally experiences mild weather, making gravel biking enjoyable for much of the year. Spring and autumn offer pleasant temperatures and lush landscapes, ideal for longer rides. Summer can be warm, especially inland, but coastal routes benefit from sea breezes. Winter can bring rain, but many trails remain rideable, though conditions might be muddier.
Many routes pass through or near small towns and villages where you can find local cafes, bars, or restaurants. The region is known for its gastronomy, so stopping for pintxos or a coffee is a common and enjoyable part of the experience. Planning your route with potential stops in mind can enhance your ride.
The duration of gravel bike rides around Portugalete varies significantly based on the route's length and difficulty. Many of the challenging routes can take anywhere from 3.5 to over 6 hours to complete. For instance, the A & C Tunnel Entrance – Tunel de la Galerna loop from Peñota is typically completed in about 6 hours and 13 minutes, covering 70.0 km.


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