Iglesia de San Bartolomé de Ugao-Miraballes Monument · Ugao-Miraballes, Arratia-Nerbioi, Bizkaia Single-nave church from the late 15th or early 16th century, with 17th-century reforms, ribbed vaults with tiercerons over the crossing, and Romanist-style art. Photo: Zarateman (CC BY-SA 3.0) What to see and do in Ugao-Miraballes