5.0
(2)
30
riders
4
rides
Gravel biking around Lazkao offers diverse terrain at the foot of the Aralar Mountain Range, within the Goierri region of Gipuzkoa. The area features a varied topography with lower mountains, lush forests, and scenic meadows. Riders can explore mixed surfaces, from dense woodlands to mountainous paths, making it suitable for gravel biking. This region provides access to natural parks and offers challenging ascents and rewarding vistas.
Last updated: October 7, 2026
5.0
(1)
6
riders
41.2km
03:08
890m
880m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
5.0
(1)
5
riders
43.3km
03:13
950m
950m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

2
riders
24.9km
01:51
480m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
54.1km
03:58
1,080m
1,080m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Ormaiztegi Viaduct (inaugurated on August 15, 1864) is the town's most emblematic symbol. Designed by engineer Alexander Lavalley, a predecessor of Gustave Eiffel, it stands in a beautiful landscape overlooking the Eztanda River. It is the most important structure on the Madrid-Paris railway line, spanning 289 meters in length and 34 meters in height. Its 18,000 tons are supported by four pillars. The double track was installed in 1912 and electrified in 1928. It is currently disused and forms part of the Basque Country's cultural heritage.
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delicious food and drinks
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The lords of Igartza built this service center in the 16th century and increased their wealth. This magnificently preserved monumental complex, in addition to the palace-house of the lords, has: a hermitage, a mill, a forge, an apple press, a dovecote, the shoemaker's house and the blacksmith's house, among others. The visit is worth it.
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The Otzaurte pass, 625 meters high and crowned with a hermitage and an inn, marks the gateway to the Aizkorri-Aratz Natural Park.
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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.
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The Venta de Otzaurte car park, right next to the hermitage, is the starting point for numerous mountain routes
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Picnic area with bike repair point.
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Gravel biking around Lazkao offers a diverse mix of terrain. You'll encounter everything from paved surfaces to unpaved tracks, backroads, and trails. The region is situated at the foot of the Sierra de Aralar mountain range, featuring lower mountains like Iramendi and Esparru, providing varied elevation changes. Expect lush forests, scenic meadows, and paths through natural parks such as Aralar and Aizkorri-Aratz, making for a varied and engaging ride.
Yes, the gravel bike routes around Lazkao are generally considered challenging, with significant elevation gains. For instance, the Ormaiztegi Viaduct – Lierni Path loop from Zegama covers 41.1 km with over 880 meters of ascent. Another demanding option is the Ormaiztegi Viaduct – Zegama loop from Beasain, which is 43.4 km long with similar elevation changes.
The trails often offer spectacular panoramic views of the surrounding mountains, including prominent peaks like Txindoki (1,346m) and Aizkorri (1,528m). You might pass by natural features such as the Cascada de Osinberde (Osinberde Waterfall) within Aralar Natural Park. Notable viewpoints include the hermitages of San Prudencio and San Juan Ante Portam-Latinam. You can also explore the Lizarrusti Pass or the serene Lareo Reservoir.
Absolutely. The region is rich in history. You can cycle past the Igartza Monumental Complex, a beautifully preserved 16th-century site featuring a palace-house, hermitage, mill, and forge. Additionally, a stretch of the GR 283, shared with the Camino de Santiago, passes through the area, offering historical pathways and bucolic panoramas.
Yes, all the routes listed in the guide are circular loops, designed to bring you back to your starting point. Examples include the Ormaiztegi Viaduct – Lierni Path loop from Beasain and the Old Bridge – Tolosa Train Station loop from Ikaztegieta, offering convenient round trips.
The region's climate makes spring and autumn particularly pleasant for gravel biking, with milder temperatures and vibrant natural scenery. Summer can also be good, though some days might be warmer. Winter rides are possible, but be prepared for potentially wet or colder conditions, especially at higher elevations.
While Lazkao itself has some public transport connections, direct access to the starting points of all gravel trails might require some planning. Many routes start from nearby towns like Beasain or Zegama, which are generally better connected. It's advisable to check local bus or train schedules to these towns and plan your route accordingly.
Parking is generally available in the towns where the routes typically start, such as Lazkao, Beasain, Zegama, or Ikaztegieta. Look for public parking areas within these towns. For routes venturing into natural parks, designated parking spots might be available at trailheads or visitor centers, though these can be limited.
The gravel routes around Lazkao are predominantly rated as 'difficult' due to significant elevation changes and varied terrain, making them more suitable for experienced riders. While there aren't specific 'easy' family-friendly gravel routes listed, families might find shorter, less strenuous sections of greenways in the broader Basque Country, which are repurposed old railways, more appropriate for a relaxed ride.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the diverse terrain, the challenging ascents, and the rewarding vistas of the Aralar Mountain Range and surrounding natural parks. The mix of dense woodlands and mountainous paths provides a truly immersive outdoor experience.
Generally, dogs are permitted on most public trails in the region, especially in natural areas like Aralar Natural Park, provided they are kept under control, preferably on a leash, and owners clean up after them. However, specific regulations can vary, so it's always best to check local signage or park rules for any restrictions before heading out with your dog.
While the routes often traverse natural and less populated areas, you'll typically find cafes, bars, or small shops in the towns and villages you pass through or start from, such as Lazkao, Beasain, or Zegama. It's always a good idea to carry sufficient water and snacks, especially on longer rides, as amenities might be sparse between towns.


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