Hermitage of Samper del Salz Monument · Samper del Salz, Campo de Belchite, Zaragoza Hermitage in the municipal district of Samper del Salz, a village beside the river Aguasvivas that preserves a 13th-century mill with its medieval aqueduct and weirs, and the 17th-century church of San Pedro. Photo: Millars (CC BY-SA 4.0) What to see and do in Samper del Salz