The fork of the Valtornero Nature · Horcajo de Montemayor, Sierra de Béjar, Salamanca Image of Horcajo de Montemayor, not of the place itself. The village is set in the fork formed by the joining of the Valtornero stream with the river Sangusín. Despite being on the northern plateau, its waters go to the Alagón and from there to the Tagus, so that the municipal district belongs to the Tagus river basin. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in Horcajo de Montemayor