Risco de les Claveles - Straße zu den Lagunen von Claveles und den Vögeln

The Sierra de Guadarrama (Guadarrama Mountains) is a mountain range forming the main eastern section of the Sistema Central, the system of mountain ranges along the centre of the Iberian Peninsula. It is located between the systems Sierra de Gredos in the province of Ávila, and Sierra de Ayllón in the province of Guadalajara.

Peñalara is the highest mountain peak in the mountain range of Guadarrama, a subsection of Spain's larger Sistema Central mountain chain which lies at the center and divides the Iberian Peninsula. Straddling the provinces of Madrid and Segovia, Peñalara reaches a height of 2,428 metres above sea level.

The Peñalara Natural Park (Spanish: Parque Natural de la Cumbre, Circo y Lagunas de Peñalara) is a natural park of 7.68 km2 in the northwest of the Community of Madrid, Spain. It was designated in June 1990.The park is situated in the central zone of the Sierra de Guadarrama (part of the mountainous axis called the Central System).