Archaeological site of Valladar Nature · Basconcillos del Tozo, Páramos, Burgos Image of Basconcillos del Tozo, not of the place itself. The Valladar site documents both a medieval occupation and traces of prehistoric settlement, in a district where polished axes and Neolithic tools have also come to light. Photo: Zarateman (CC0) What to see and do in Basconcillos del Tozo