This site includes the southern slopes of the Guadarrama mountain range. The main vegetation-types are Quercus and Pinus woodland, degraded scrub and above 1,800 m alpine grassland.
An important area for forest raptors. Species of global conservation concern that do not meet IBA criteria: Aquila adalberti (resident).
BirdLife International (2019) Important Bird Areas factsheet: Alto Lozoya-La Pedriza. Downloaded from http://www.birdlife.org on 22/08/2019.