Claustro fluvial de San Miguel de Oñati Monument · Oñati, Debagoiena / Alto Deba, Gipuzkoa The Gothic church of San Miguel Arcángel in Oñati is unusual in having a cloister that overlooks the river directly, an uncommon arrangement. Photo: Jose Luis Filpo Cabana (CC BY 3.0) What to see and do in Oñati