5.0
(3)
90
riders
13
rides
Gravel biking around Oñati offers diverse terrain within a wide valley at the foot of the Aizkorri-Aratz Natural Park. The region features an abundance of hills, deep ravines, and limestone formations, providing varied gradients and technical sections. Riders can explore extensive green mountains, the distinct mass of Mount Aloña, and the Urkulu Reservoir. The area's karstic landscape contributes to its unique geological formations, with the Olaran River adding to the natural beauty.
Last updated: August 26, 2026
5.0
(1)
21
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
33.3km
02:17
750m
750m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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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
riders
23.3km
01:29
380m
380m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
26.0km
01:59
580m
580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Cycling around Oñati

Mountain Hikes around Oñati
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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The knights are gone, the coat of arms remains
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No longer active today
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The Church of San Miguel is a Gothic-style religious building that immediately strikes with its grandeur and monumentality. It is located very close to the university building, making both buildings easily accessible. It is recommended to book a guided tour at the nearby tourist office. It costs €6 per person and includes a tour of the university and this church. The Church of San Miguel Arcángel is the most important religious monument in Oñate, a magnificent temple well worth exploring.
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The Plaza de los Fueros is a large rectangular pedestrian street that forms the center of the city and features several good taverns and restaurants with terraces under the arcades. Designed in the mid-19th century, it is a colonnaded square, enclosed on three sides, opening onto a small garden area, behind which is a large esplanade used for a street market on Saturdays. In this square of simple neoclassical buildings, the Town Hall building is particularly striking for its lavish and exuberant decoration.
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The Town Hall building towers over Plaza de los Fueros. It is a Baroque building, built in 1758 by the Basque architect Martín de Carrera. The main façade features a portico with three large semicircular arches, above which opens a large lattice balcony with richly decorated, molded windows crowned by split pediments. The main façade is crowned by five pinnacles with an iron cross in the center.
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Beautiful town nestled in the Guipuzcoan valley of Alto Urola. The name of the town comes from Basque and means 'place of the elm'. The Urola River runs through the town and separates it from the municipality of Urretxu. Zumárraga is also the end point of the Urola greenway, a cycle route that runs through a beautiful rural landscape. A destination with a lot of charm and personality.
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Beautiful town nestled in the Guipuzcoan valley of Alto Urola. The name of the town comes from the Basque and means 'place of the elm'. The river Urola runs through the town and separates it from the municipality of Urretxu. Zumarraga is also the end point of the Vía Verde del Urola, a cycling route that runs through a beautiful rural landscape. A destination with a lot of charm and personality.
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Oñati offers a diverse selection of nearly 20 gravel bike trails. These routes cater to various skill levels, with 3 moderate and 14 difficult options, ensuring there's a ride for every enthusiast.
While many routes in Oñati are rated as difficult, the region's greenways offer smoother, more accessible paths that can be suitable for families or those seeking an easier ride. For a moderate option, consider the Aitzorrotz Hermitage – Urkulu Dam loop from Izurieta, which covers about 31 km with manageable elevation.
Oñati's gravel trails are characterized by an 'abundance of hills,' deep ravines, and limestone formations, especially within the Aizkorri-Aratz Natural Park. You'll encounter varied gradients, from challenging climbs to scenic trails through extensive green mountains and around the Urkulu Reservoir. Greenways also provide smoother sections.
Yes, many of Oñati's gravel routes are designed as loops. For instance, the Vasco-Navarro Greenway – Garaio Footbridge loop from Arlaban is a popular 61 km circular trail. Another extensive loop is the Landa Recreation Area – Vasco-Navarro Greenway loop from Goroeta, covering nearly 93 km.
The region is rich in natural beauty. You can explore the dramatic karstic systems, including the Eye of Aitzulo, or pass by the San Adrián Tunnel. The Urkulu Reservoir is also a prominent feature, offering scenic views. Many routes traverse the Aizkorri-Aratz Natural Park, known for its high summits and diverse landscapes.
Yes, Oñati's routes can lead you through areas with historical significance. The Mirandaola Forge and Park – Udana Pass Ascent loop from Legazpi, for example, takes you through historical sites. The Sanctuary of Arantzazu, a significant spiritual center, is also a starting point for mountain paths that can be incorporated into rides.
The gravel biking experience in Oñati is highly rated by the komoot community, with an average score of 4.4 stars. Riders often praise the varied terrain, from challenging climbs in the natural park to the more accessible greenways, and the immersive natural beauty of the green mountains and ravines.
Absolutely. Oñati is known for its 'abundance of hills' and mountainous terrain within the Aizkorri-Aratz Natural Park. Routes like the Landa Recreation Area – Vasco-Navarro Greenway loop from Goroeta feature over 1200 meters of elevation gain, providing a demanding experience for seasoned gravel bikers.
While specific parking areas for each trail are not detailed, Oñati is a well-established town. Many routes start from or pass through towns like Arlaban, Goroeta, or Legazpi, where public parking facilities are generally available. It's advisable to check local parking options in your chosen starting point.
The region's lush green mountains suggest pleasant conditions during spring and autumn, when temperatures are milder and the scenery is vibrant. Summer can also be good, but be prepared for warmer weather, especially on exposed sections. Winter might bring colder temperatures and potentially wet conditions, particularly at higher elevations in the Aizkorri-Aratz Natural Park.
Many routes connect Oñati to other historical towns like Arrasate-Mondragón and Bergara via greenways, and pass through smaller villages. These towns and villages typically offer cafes, restaurants, and shops where you can refuel. For example, the Mirandaola Forge and Park – Udana Pass Ascent loop from Legazpi passes through areas where such stops are likely available.
Yes, especially within the Aizkorri-Aratz Natural Park, there are several huts and refuges. Notable options include the Urbia Inn and the Aizkorri Refuge and Hermitage. These can be useful for longer excursions or as rest points.


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