4.2
(26)
1,222
riders
15
rides
No traffic touring bike trails around Altzo are situated in the Gipuzkoa province of the Basque Country, nestled between the Oria and Araxes valleys. This region features a varied and hilly terrain, with sloped areas partially concealed by mountains. The landscape includes protected natural areas and offers diverse environments for cycling, including sections of greenways.
Last updated: July 2, 2026
5.0
(4)
125
riders
40.2km
02:35
500m
500m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1.0
(1)
113
riders
38.7km
02:19
250m
240m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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30
riders
21.2km
01:22
150m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
30
riders
21.2km
01:19
140m
140m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
13
riders
11.7km
00:44
100m
100m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Altzo
not to be overlooked
1
0
Old bridge to cross the Orio river as it passes through Alegia.
2
0
There are 14 dedicated no-traffic touring cycling routes around Altzo. These routes vary in difficulty, with 2 easy, 4 moderate, and 8 difficult options to choose from, ensuring there's something for every skill level.
Altzo, with its hilly and coastal climate, is generally pleasant for cycling during spring (April-June) and autumn (September-October). These seasons offer milder temperatures and less rainfall, making for more comfortable rides. Summer can also be good, but be prepared for warmer weather, especially on climbs.
Yes, for families looking for an easier ride, the region offers routes like the Rest and Recreation Area – Fuente de Basasiche loop from Tolosa. This route is rated as easy, making it suitable for a relaxed family outing. The nearby Plazaola Greenway, though not directly listed in the routes, is also known for its smooth, traffic-free sections, ideal for families.
The terrain around Altzo is varied, situated between the Oria and Araxes valleys. While many routes aim for no traffic, you can expect a mix of gradients due to the region's hilly nature. Some routes, like the Old Bridge – Larraitz Climb loop from Tolosa, feature significant elevation gains, while others offer gentler slopes. Surfaces are typically well-maintained for touring bicycles.
Yes, many of the no-traffic routes around Altzo are designed as loops, allowing you to start and finish in the same location. Examples include the Rest and Recreation Area – Old Bridge loop from Tolosa and the Fuente de Basasiche – Old Bridge loop from Tolosa-Centro, providing convenient options for your cycling tour.
The region around Altzo is rich in natural beauty. While cycling, you might encounter views of the Oria and Araxes river valleys. For those interested in natural monuments, the area features highlights such as the Amezketa Stream Waterfall. Several routes also offer glimpses of the surrounding mountain peaks, including the notable Uzturre Summit (733 m).
The komoot community highly rates the touring cycling experience in Altzo, with an average score of 4.08 stars. Cyclists often praise the region's diverse landscapes, the challenge of its climbs, and the tranquility of its no-traffic routes, which allow for an immersive experience in the Basque Country's natural environment.
Absolutely. For experienced cyclists seeking a challenge, Altzo offers several difficult no-traffic routes. The View of Euletxaga – Stone Archway Gate loop from Tolosa, for instance, features significant elevation gain, providing a demanding yet rewarding experience through the scenic landscape.
Altzo is located in the Tolosaldea region, and public transport options, including bus services, connect it to larger towns like Tolosa. From Tolosa, you can often access the starting points of many routes. It's advisable to check local bus schedules and policies regarding bicycle transport before planning your trip.
While specific parking details for each trailhead are not provided here, towns like Altzo and nearby Tolosa typically offer public parking facilities. Look for designated parking areas within these towns, especially near popular recreational spots or town centers, which often serve as convenient starting points for cycling routes.


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