
CA-763 is a spectacular asphalted mountain road, with a total lenght of 6,8 km, going through the Manzanedo Valley, between the Spanish regions of Cantabria and Castilla León.
The road, extremely narrow (impossible for 2 cars at the same time), starts in Quintanilla de Rucandio, a little town belonging to the municipality of Valderredible, in Cantabria, and finishes in Montejo de Bricia, a small town in the Spanish province of Burgos. 








