The watershed between the Merdancho and the Tera Nature · Ausejo de la Sierra, Almarza, Soria Image of Ausejo de la Sierra, not of the place itself. The village sits at 1,096 metres on the line separating the basins of these two tributaries of the Duero, beneath the Cerro de San Juan, at 1,359 metres, in a cool, damp climate. Photo: Diego Delso (CC BY-SA 4.0) What to see and do in Ausejo de la Sierra