Nafría de Ucero Village · Nafría de Ucero, Tierras del Burgo, Soria Nafría de Ucero is a hamlet of 35 inhabitants, in the judicial district of Burgo de Osma, whose territory also comprises Rejas de Ucero and Valdealbín, incorporated in the mid-19th century; part of its territory lies within the Cañón del Río Lobos nature park, also protected as a Site of Community Importance (SCI) and a Special Protection Area for birds (SPA). In the 1787 census the place, then under the ecclesiastical jurisdiction of the Bishop of Osma, had 178 inhabitants; in 1842 it had 36 households and 140 inhabitants. It preserves a Roman fountain and an old town of houses of stone, adobe and juniper-wood framework. Photo: Diego Delso (CC BY-SA 4.0) What to see and do in Nafría de Ucero