Rock-cut hermitages of Las Gobas de Laño Monument · Condado de Treviño, Ebro, Burgos Image of Condado de Treviño, not of the place itself. Thirteen artificial caves cut into the limestone rock beside Laño, inhabited by early medieval hermit communities; together with the neighboring group of Santorkaria they were declared a historic-artistic site on 23 June 1978. Photo: Asier Sarasua Garmendia (CC BY-SA 3.0) What to see and do in Condado de Treviño