Cercedilla is at the head of the dead-end valley of Fuenfría, surrounded on three sides by the Guadarramas. Unlike many trails in Spain, the ones here are actually well marked with color-coded spots on trees and rocks. ...
I stopped off at a hardware shop near the hotel to buy some brown parcel tape, as I'll need to do some serious patching on my bike on Saturday. Luckily they had a roll, so I wouldn't have to worry about buying it in Cercadilla or Madrid ...