The contrast between the Obarenes and the Oroncillo valley Nature · Bugedo, Ebro, Burgos Bugedo sits at 534 metres at the point where the limestone crests of the Montes Obarenes fall away onto the Oroncillo meadowland; its very name comes from the Latin buxetum, the box thickets that covered these slopes. Photo: Zarateman (CC0) What to see and do in Bugedo