Siete Picos Nature · Cercedilla, Cuenca del Guadarrama, Madrid Granite ridge of rounded summits between the Fuenfría and Navacerrada passes; its geodesic marker reaches 2,138 metres and the southern side, that of Cercedilla, is covered by an extensive Scots pine forest. Photo: David Mapletoft (CC BY 2.0) What to see and do in Cercedilla