Mountain passes around San Millán / Donemiliaga are situated within the varied terrain of Álava province, featuring the Sierra de Urkilla and Sierra de Encía. This rural municipality, part of Spain's Basque Country, provides access to scenic routes and diverse landscapes. The region's mountainous character offers opportunities for exploring natural features and traversing different elevations.
Last updated: July 15, 2026
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Popular around San Millán / Donemiliaga
Tour through the Llanada Alavesa - On the GR 25
Cycling around San Millán / Donemiliaga
Road Cycling Routes around San Millán / Donemiliaga
MTB Trails around San Millán / Donemiliaga

Gravel biking around San Millán / Donemiliaga
Hiking around San Millán / Donemiliaga
Running Trails around San Millán / Donemiliaga

Mountain Hikes around San Millán / Donemiliaga
This impressive hill has a long pastoral tradition. In its meadows you can see sheep and cows grazing among the limestone cliffs with a spectacular background view of valleys and mountains.
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From Salvatierra, a small road leads to the port of Opakua, with spectacular views over the Urbasa mountain range, in the nearby lands of Navarra. The views are awesome!
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Udana from Oñati is a climb in the Basque Country region. It has a length of 6.9 kilometers and an ascent of 270 vertical meters with a slope of 3.9% on average. The top of the ascent is located at 515 meters above sea level.
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This section of road with 5 horseshoes and amazing panoramic views is a true delight for the cyclist palate. You will have magnificent views as you go up towards the entire Urbasa-Andia Natural Park.
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A delicious place. And it would be even more so if they did not allow the car to go up.
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Biozkorna pass, crossroads from Zegama to Aranzazu and from Udana to Urbia
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Paved road from Araotz with a very steep slope.
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Several mountain passes offer unique experiences. For spectacular views over the Urbasa mountain range, consider Opakua Pass. Cyclists often enjoy the challenging Urbasa Hairpin Bends with its panoramic views of the Urbasa-Andia Natural Park. Another notable climb is Udana Pass Ascent, an intermediate climb from Oñati.
For breathtaking vistas, Opakua Pass provides spectacular views over the Urbasa mountain range. The Urbasa Hairpin Bends also offer magnificent panoramic views towards the entire Urbasa-Andia Natural Park. Additionally, Collado de Biozkorna features a spectacular background view of valleys and mountains.
The region's mountain passes are set within the varied terrain of Álava province, including the Sierra de Urkilla and Sierra de Encía. You can expect to see green forests, limestone cliffs, and expansive meadows where sheep and cows graze, particularly around passes like Collado de Biozkorna. Many passes also offer viewpoints over natural parks and mountain ranges.
Yes, the region offers challenging climbs. Udana Pass Ascent from Oñati is an intermediate climb covering 6.9 kilometers with an ascent of 270 vertical meters. The Urbasa Hairpin Bends are also a delight for cyclists, featuring 5 horseshoe bends. Further afield in Álava, Puerto de Herrera is known as a mythical pass with sections exceeding 10% gradients, appealing to those seeking a challenge.
The area around San Millán / Donemiliaga is excellent for various outdoor activities. You can find numerous cycling routes, including those for touring bicycles and gravel biking, as well as running trails. For detailed routes, explore the Cycling around San Millán / Donemiliaga, Running Trails around San Millán / Donemiliaga, and Gravel biking around San Millán / Donemiliaga guides.
The best time to visit can depend on the specific pass and your activity. Generally, spring and autumn offer pleasant temperatures for cycling and hiking. For some passes, like Puerto del Toro in the broader Álava region, there are seasonal recommendations, with the south side from Laguardia advised in winter and the north side from Lagrán in summer, suggesting varying conditions and attractions throughout the year.
While specific historical sites directly on the passes are not detailed, the region itself blends nature, history, and traditions. Passes like Collado de Biozkorna have a long pastoral tradition, with meadows used for grazing, reflecting the area's agricultural heritage. The broader Álava province, where San Millán / Donemiliaga is located, is rich in cultural history.
The mountain passes around San Millán / Donemiliaga offer a range of difficulties. Many are classified as intermediate, such as Opakua Pass and Udana Pass Ascent. Some, like Puerto de Herrera in the wider Álava region, feature challenging sections with steep gradients, making them suitable for more experienced adventurers.
Yes, Collado de Biozkorna is notable for its impressive pastoral tradition, where you can observe sheep and cows grazing among limestone cliffs, set against a backdrop of spectacular valleys and mountains. The views from Urbasa Hairpin Bends also showcase the unique natural beauty of the Urbasa-Andia Natural Park.
Visitors frequently appreciate the spectacular views, especially from passes like Opakua Pass. Cyclists particularly enjoy the challenge and scenery of routes like the Urbasa Hairpin Bends. The blend of natural beauty, opportunities for outdoor activities, and the serene atmosphere of the rural landscape are highly valued.
While the guide highlights popular options, the region's mountainous character suggests many smaller, less-trafficked routes. Santakutzeko Pass, for instance, is described as a 'delicious place' with a very steep paved road from Araotz, offering a unique experience away from the most frequented spots.
Yes, many of the passes, while popular with cyclists, also offer beautiful scenic drives. The winding roads through green forests, such as those leading to Puerto de Herrera (in the wider Álava region), or the panoramic views from Opakua Pass, make them ideal for a leisurely drive to enjoy the landscape.


See even more epic mountain passes by checking out these guides around San Millán / Donemiliaga: