Mallos de Riglos

The Mallos de Riglos are a set of conglomerate rock formations, located in the municipality of Las Peñas de Riglos, in the Hoya de Huesca comarca, in Aragon, Spain. They are located near Las Peñas de Riglos some 45 km (28 mi) to the northwest of the city of Huesca. Rising to some 300 metres (980 ft) high, they form part of the foothills of the Pyrenees. (Wikipedia)