4.8
(11)
146
riders
10
rides
Gravel biking around Trucios-Turtzioz offers diverse and rugged natural landscapes within the Encartaciones region of Bizkaia. The area is characterized by mountainous terrain, green valleys, and extensive unpaved roads and forest tracks, providing varied experiences for gravel cyclists. The region's strongly accidented terrain, including parts of the Armañón Natural Park, features challenging climbs and rewarding views across its varied topography. These natural features create an ideal environment for gravel biking, combining physical challenge with immersion in nature.
Last updated: May 21, 2026
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)
7
riders
50.5km
03:44
830m
830m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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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.
5
riders
43.7km
03:42
1,070m
1,070m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
24.1km
02:21
730m
730m
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
Fast and very pleasant trail with very good sensations and fun
0
0
Classic local spot with stunning panoramic views
0
0
There are 14 gravel bike trails around Trucios-Turtzioz listed on komoot. These routes offer a variety of experiences, from challenging climbs to scenic rides through green valleys.
Gravel biking in Trucios-Turtzioz is primarily characterized by its challenging terrain. Out of the 14 routes, 11 are rated as difficult, featuring significant elevation gains and varied landscapes. There are also 3 moderate routes available for those seeking a slightly less strenuous ride.
You can expect a diverse and rugged natural landscape. The region features mountainous terrain, green valleys, and extensive unpaved roads and forest tracks. Routes often include challenging climbs and descents, especially within areas like the Armañón Natural Park, providing a dynamic riding experience.
Yes, there are several longer routes. For example, the Piquillo Greenway – Guggenheim Museum Bilbao loop from Kobaron is a substantial 86-mile (138.4 km) route, offering a significant challenge with over 2,300 meters of elevation gain.
The trails often pass through the scenic Armañón Natural Park, known for its prominent peaks like Los Jorrios and Armañón. You might also encounter the tranquil Agüera River, lush forests, and green pastures. Nearby highlights include the Burgüeno Summit and the Garbea Peak (718 m), offering rewarding views.
Yes, beyond the natural environment, you can encounter interesting civil and religious buildings. The municipality itself houses sites like the Gothic-style Church of San Pedro de Romaña and San Roque hermitage. Some routes might also lead you near highlights such as the Church of Saint Mary of the Assumption (Castro Urdiales) or the Church of San Severino.
The gravel biking routes in Trucios-Turtzioz 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, challenging climbs, and the immersive experience in nature that the region offers.
Many of the gravel bike routes in the area are loops, allowing you to start and end at the same point. Examples include the A & C Tunnel Entrance – El Sobaco Tunnel loop from Castaño auzunea and the Alto de LA-1 (395 m) – Oriñón Bay loop from Castro-Urdiales, which offer extensive circular journeys through the landscape.
The region's diverse terrain makes it suitable for gravel biking across multiple seasons. Spring and autumn generally offer pleasant temperatures and vibrant scenery. While specific winter conditions can vary, the area's natural features provide year-round opportunities, though some higher elevation trails might be more challenging in colder months.
While many routes are rated difficult due to the mountainous terrain, the presence of green valleys and river paths like those along the Agüera River suggests that some sections or shorter, less strenuous routes could be suitable for families. It's advisable to check individual route details for elevation and surface type to ensure they match your family's ability.
Many routes start from towns or villages like Castaño auzunea or Castro-Urdiales, where public parking facilities are typically available. For specific trailheads, it's recommended to check the starting point of your chosen route on komoot for detailed parking information.
Trucios-Turtzioz and the surrounding Encartaciones region offer various amenities. You can find cafes, pubs, restaurants, and accommodation options in the local towns and villages. For example, Castro-Urdiales, a common starting point for several routes, provides a range of services for visitors.


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