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Basque Mountains

Basque Mountains

The Top 20 Castles in the Basque Mountains

A visit to a castle — whether you stumble over one during a hike outdoors or walk your way around the grounds with a guide — is always something special, and you’ve got 20

beautiful castles to choose from in the Basque Mountains. Just browse our list to find your top castle , and add some history to your next adventure!

Last updated: October 22, 2025

Frías Castle and Hanging Houses

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Crowned by an imposing castle on top of a hill, the town of Frías offers cobbled streets, stone houses and a suspension bridge over the Ebro River. Its old town …

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Arteaga Castle

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Its history of mills and ironworks becomes glamorous when Napoleon III builds a castle for his wife Eugenia de Montijo, next to the marsh. The castle is, together with the …

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View of San Sebastián Bay from Batería de Santiago

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After some minute you will find the best view on the bay of San Sebastián. At the spot there is a small park with some benches as well as a …

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Views of the vineyards of Villamayor de Monjardín

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From this point of the road you have great views of the vineyards around Villamayor de Monjardín. In the background, on the hill, you can see the castle of San …

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Castillo de Frías

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A pass through the castle, you can climb up to the keep and go around the interior walls, passing over and under the moat. And the views are amazing. Don't forget to visit it!

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Castillo de Santa Marta

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Imposing castle a few steps from the town of Pancorbo. Even if it was in an open field, it is worth seeing, but climbing the stairs to the tower, admiring …

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Santa Ana Castle and Lighthouse

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The Castle dates from the year 1163 and is located next to the Church of the Assumption. It was first used as a lighthouse in 1853. You can visit it …

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Oxirando Tower

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The Oxirando Tower is located on Calle Oxirando 1 in the town of Sandamendi, belonging to the municipality of Gordexola, on an important medieval road that connects Artziniega with Bilbao. …

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Puebla Vieja de Laredo

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One of the most important medieval complexes in Cantabria. It preserves doors, remains of walls, beautiful houses and palaces. The church of Santa María de la Asunción is especially beautiful. …

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Zamudio

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Zamudio was an important communication hub, since it was at the crossroads of the roads that linked Bilbao with other towns such as Bermeo, Mungia, Plentzia and Larrabezúa.

In the …

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Looking for the best castles somewhere else? Discover other guides in the Basque Mountains:

The Top 20 Castles in the Basque Mountains

Frías Castle and Hanging Houses

Arteaga Castle

View of San Sebastián Bay from Batería de Santiago

Views of the vineyards of Villamayor de Monjardín

Castillo de Frías

Castillo de Santa Marta

Santa Ana Castle and Lighthouse

Oxirando Tower

Puebla Vieja de Laredo

Zamudio

Other adventures in the Basque Mountains

Most popular routes in the Basque Mountains

Most popular attractions in the Basque Mountains

Get inspired with the komoot mobile app

Explore more

Get ready to conquer new peaks

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