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The Top 18 Mountain Passes in Biscay

Whether it be for the views, for the climbs or for the downhill descents, browse our list of the best mountain passes in Biscay and make your next adventure one to remember. Contributed by the community, for the community, each mountain pass Highlight is a personal recommendation you know you can trust, so simply find your favorite and go.

Last updated: November 21, 2025

Alto de Muniketa (Montecalvo)

Highlight • Mountain Pass

From the top of Muniketa or Montecalvo, there are exceptional views and you can see the sea and Urdaibai on one side, as well as the Duranguesado on the other. …

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Mugarrikolanda Pass

Highlight • Mountain Pass

An amazing hill, the views are breathtaking, especially those of Mugarra.

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Mañaria

Highlight • Settlement

The Urkiola Natural Park occupies a large part of the surface of this small town in Durangaldea. Mañaria is surrounded by a splendid landscape, sheltered by beautiful limestone peaks such …

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Alto de Humaran

Highlight • Mountain Pass

Typical climb in the area that links the Sopuerta and Cadagua valleys, where it is not an extremely hard ascent, but the longevity of the kilometers makes it demanding.

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Artola Pass

Highlight • Mountain Pass

The Collado de Artola is the field between Aitz-txiki and Alluitz. It is the place of passage from Atxarte for the ascent to Alluitz. It is located at an altitude of 580 meters.

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Pass Aretxabalagana

Highlight • Mountain Pass

The highest point between Gernika and Larrabetzu on this bike route. It can be reached via Morga (larger street) or Urgetu (small, quiet, initially very steep street).

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Bikotx Gane Pass (565 m)

Highlight • Mountain Pass

One of the most feared ports in the province of Bizkaia and which leaves from the center of Artea. Most of the climb, there are ramps that go from 10/12%, …

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Alto de Ixua

Highlight (Segment) • Mountain Pass

The Alto de Ixua is an iconic mountain pass in Eibar, with steep slopes that make it a classic Basque cycling route. From its summit, you can enjoy sweeping views …

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Areitio Climb

Highlight • Climb

Climb that is not very long but that is famous for the World Tour peloton, in the return that is done every year in the Basque Country

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Ascent to Gontzegaraigane

Highlight • Mountain Pass

The Gontzegaraigane is 2.6 km long, has its highest point at 370 m and rises over a distance of about 2.6 km. The average slope of Gontzegaraigane is 6.5%.

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Find even more amazing mountain passes in Biscay organized by region:

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The Top 18 Mountain Passes in Biscay

Alto de Muniketa (Montecalvo)

Mugarrikolanda Pass

Mañaria

Alto de Humaran

Artola Pass

Pass Aretxabalagana

Bikotx Gane Pass (565 m)

Alto de Ixua

Areitio Climb

Ascent to Gontzegaraigane

Other adventures in Biscay

Most popular routes in Biscay

Most popular attractions in Biscay

Get inspired with the komoot mobile app

Didn’t find what you were looking for?

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