4.8
(101)
6,953
riders
50
rides
Road cycling routes around Altzo offer a diverse topography within the Gipuzkoa region, characterized by a mix of natural features. The area presents varied elevations, providing options for different cycling experiences, from challenging climbs to scenic greenways. Cyclists can navigate routes with mostly well-paved surfaces through forests, mountains, and along rivers, immersing themselves in the Basque countryside.
Last updated: June 28, 2026
5.0
(2)
541
riders
84.4km
04:24
1,470m
1,470m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.7
(6)
216
riders
59.3km
03:07
1,080m
1,090m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Sign up for free
468
riders
109km
04:56
1,060m
1,060m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
335
riders
68.0km
02:58
450m
450m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(3)
245
riders
115km
05:51
1,890m
1,890m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
climb with 3 different slopes from Leitza about 6km from Goizueta about 15km from Santesteban about 23km
0
0
A few meters before we have a bar-restaurant at the foot of the road. At this point we also have a water source.
0
0
The Otzaurte pass, 625 meters high and crowned with a hermitage and an inn, marks the gateway to the Aizkorri-Aratz Natural Park.
1
0
But keep in mind that all those that go to the south go up, logically, on the north faces, come on, they are usually full of mud ... better for when the weather is good.
1
1
The Venta de Otzaurte car park, right next to the hermitage, is the starting point for numerous mountain routes
1
1
Alto de Basakabi, with 3 climbing slopes, from Leitza, Goizueta and Doneztebe
0
0
The Alto de Azpirotz is a mountain pass that is better known for its geographical position than for the hardness or percentages of the ascent. Basically since it is on the border of the province of Guipúzcoa, where it is on the edge of the Valle de Larraun.
0
0
Berrobi is a typical town of these northern regions of the Empty Country and its name Berrobi comes from watercress and has various meanings in the Basque language. All of them generally related to humid and leafy vegetation.
0
0
Road cycling around Altzo, in the Gipuzkoa region, offers a diverse topography. You'll find a mix of natural features, including forests, mountains, and rivers. Routes feature mostly well-paved surfaces with varied elevations, providing options from challenging climbs to scenic greenways. Some segments might include unpaved or difficult sections, offering a dynamic ride.
Yes, Altzo is known for its challenging climbs. A notable feature is the Alto de Altzo, which is approximately 2.5 km long with a vertical ascent of 148 meters and an average gradient of 5.9%. The Uzturre Summit, at 733 meters, also offers a demanding ascent. For a significant challenge, consider the The Basaburua minor Valley — circular from Tolosa route, which features over 1,400 meters of elevation gain.
While many routes around Altzo are moderate to difficult, the region does offer options for less intense rides. The Plazaola Greenway is a significant attraction, repurposing an old railway line for an enjoyable cycling experience. This route features tunnels and bridges, providing a unique and scenic ride. You can find sections of the Plazaola Greenway, such as Plazaola Greenway, which are generally flatter and more accessible.
The Gipuzkoa region around Altzo is rich in natural beauty. You can cycle through diverse landscapes including forests, mountains, and along rivers. Notable natural attractions include the Uzturre Summit (733 m) and the more distant Txindoki (1,346 m), which offer rewarding views. The Plazaola Greenway also provides scenic views alongside natural features.
Yes, several points of interest can be found. The Witches' Bridge is a picturesque landmark along the Plazaola Greenway. You might also encounter views of peaks like Uzturre Summit or Txindoki on routes such as View of Txindoki from Ordizia – Kaxeta loop from Tolosa.
Yes, the area offers several excellent circular road cycling routes. For example, the From Tolosa to the Larraun Valley — circular via the Araxes River is a popular loop. Another option is the Lizarrusti Pass – Otzaurte loop from Tolosa, which takes you through mountainous passes.
The natural beauty of the Basque countryside makes Altzo enjoyable for road cycling across multiple seasons. Generally, spring and autumn offer pleasant temperatures and vibrant landscapes. Summer can also be excellent, though some climbs might be more challenging in warmer weather. It's always advisable to check local weather forecasts before heading out.
While specific parking areas for cyclists are not explicitly detailed, Altzo and nearby towns like Tolosa, from where many routes start, typically offer public parking facilities. It's recommended to check parking options in the starting towns of your chosen route, such as Tolosa or Ordizia, before your ride.
Public transport options for bikes in the Basque Country can vary. While local buses or trains might accommodate bikes, it's best to verify the specific policies and schedules with the local transport providers in Altzo or nearby larger towns like Tolosa, especially during peak hours or for longer journeys.
Many road cycling routes around Altzo pass through or near small towns and villages in the Gipuzkoa region, such as Tolosa and Ordizia. These towns offer various cafes, restaurants, and shops where you can stop for refreshments, refuel, and experience local Basque hospitality. It's a good idea to plan your route with potential stops in mind.
The road cycling experience in Altzo is highly rated by the komoot community, with an average score of 4.8 stars. Reviewers often praise the varied topography, the challenging climbs like Alto de Altzo, and the scenic greenways such as the Plazaola. The immersion in the tranquility and splendor of the Basque countryside is also a frequently highlighted aspect.


Browse the best Road cycling routes in other regions.