Orduña

Two forces have shaped Orduña throughout its existence: the great mountain barrier that made it a natural stronghold for the Lordship of Biscay, and its position as a Basque enclave on the road between Castile and the northern coast. Prehistoric remains in the area date to the Neolithic-Bronze Age, and the town appears in written records as far back as the reign of Alfonso I. It was formally founded as a town in 1229 by Lope Díaz II de Haro, sixth Lord of Biscay, and grew into a major stop on the Castilian wool trade with northern Europe. By 1467 it had been recognised as a city by royal decree of Enrique IV.

A devastating fire in 1535 destroyed much of it, yet the 16th and 17th centuries brought renewed commercial importance. A new road linking Orduña to Castile opened in 1774, and a customs house built under Carlos III and Carlos IV began operating in 1792. That trading position collapsed in the 19th century when the customs posts moved to the coast in 1841, and the abolition of the fueros deepened the decline.

The early 20th century brought a spa tourism boom centred on the La Muera de Arbieto baths. Then, during the Spanish Civil War, Francoist forces established a prison camp here between 1937 and 1941 that held around 50,000 people in conditions one survivor described as subhuman; at least 225 died. A roadside plaque near the southern mountain pass marks the spot where a bus carrying the Orquesta Compostela crashed in July 1962, killing four. The town's limited industrial development has, in part, left its historical and environmental heritage largely intact.

Orduña's main religious landmarks include the parish church of Nuestra Señora de la Asunción, the church of the Sagrada Familia, and the Santuario de Nuestra Señora de la Antigua. Two former convents, San Francisco and Santa Clara, survive from the town's past — the first now serves as a care home for the elderly. The Ermita del Buen Suceso and the old Customs House, a reminder of Orduña's former role as a major trade post, complete the principal monuments.