The Museum of Transhumance Monument · Oncala, Tierras Altas, Soria Image of Oncala, not of the place itself. Installed in a restored mansion, it documents the seven hundred kilometres that the flocks travelled along the Cañada Real Soriana Oriental to the Valle de Alcudia; it is considered one of the main pastoral museums in Spain. Photo: www.pmrmaeyaert.com (CC BY-SA 3.0) What to see and do in Oncala