Risco del Pájaro Nature · Manzanares el Real, Cuenca Alta del Manzanares, Madrid Granite summit of the Pedriza Posterior, in the sierra de Guadarrama, within the municipality of Manzanares el Real, and one of the natural balconies over the Santillana reservoir and the Mendoza castle; it is reached along marked paths that start from the Canto Cochino recreation area. Also called Pinganillo Grande, it owes its name to the silhouette of its summit, which resembles a perched bird, and it is part of the so-called cuerda de los pinganillos. At 1,549 metres of altitude, it is needle-shaped and rises about 180 metres on its south face and 20 on the north; on its east face there are curious organ-pipe formations with concentrations of crystallised quartz. It is part of the Cuenca Alta del Manzanares regional park, declared a biosphere reserve by Unesco. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Manzanares el Real