Famous Castles of Guipúzcoa

10 historic castles and fortresses.

• Beloaga Castle — A medieval fortress in the Urola valley that played a role in the Basque civil wars between the Oñacino and Gamboíno fa…
• Aitzorrotz Castle — A dramatic hilltop castle near Eskoriatza with commanding views over the Deba valley. Its ruins speak to centuries of B…
• San Telmo Castle — A fortress overlooking the Bay of San Sebastián, part of the city's coastal defenses. The dramatic position offers swee…
• San Sebastián Castle Ruins — The ruins atop Monte Urgull in San Sebastián, a fortress that witnessed the devastating siege of 1813 during the Penins…
• Oñati Tower-Castle — The medieval tower of the Counts of Oñati, in a town that was the last remaining independent señorío in the Basque Coun…
• Zarautz Tower — A medieval watchtower in the surf town of Zarautz, which boasts the longest beach in the Basque Country. The tower reca…
• Zumaya Tower — A fortified tower in Zumaia, the town famous for its spectacular flysch geological formations. The tower is part of the…
• Mutriku Castle — The remains of a medieval castle in the fishing port of Mutriku, which preserves one of the most atmospheric medieval h…
• Hondarribia Fortress — The walled old town of Hondarribia on the French border is one of the best-preserved medieval fortified towns in the Ba…
• Loyola Tower — The ancestral tower-house of the Loyola family in Azpeitia, birthplace of Saint Ignatius of Loyola, founder of the Jesu…