The Church of San Miguel Arcángel Monument · Duruelo de la Sierra, Pinares, Soria Image of Duruelo de la Sierra, not of the place itself. A church of Romanesque origin from the twelfth century, enlarged in the sixteenth; beside it a medieval necropolis of the ninth and tenth centuries has been excavated, documenting the early occupation of the headwaters of the Duero. Photo: Wamba Wambez (CC BY-SA 3.0) What to see and do in Duruelo de la Sierra