Hermitage of Santa María de la Hoz Monument · Frías, Las Merindades, Burgos A medieval church set almost at the exit of the defile of the Molinar, in Tobera, beside the wayside shrine and the bridges that cross the channel; the village also has a church dedicated to San Vicente Mártir. Photo: Eliana Alvoz (CC BY-SA 4.0) What to see and do in Frías