- Region: Castilla la Mancha.
- Province: Guadalajara.
- Declared a Natural Park: 2011.
- Park surface area: 125,772 hectares.
Points of interest
The Sierra Norte de Guadalajara Natural Park extends through the a vast area of the northern mountains in the province of Guadalajara. It encompasses the Ayllón and Pela mountain ranges as well as the pre-existing Hayedo de Tejera Negra Natural Park, the Pico del Lobo-Cebollera Massif nature reserve, the Pelagallinas River fluvial reserve and the National Hunting Reserve of Sonsaz.
- The Hayedo de Tejera Negra Natural Park was declared in 1978 with an area of 1641 hectares.
- The Natural Reserve of the Pico del Lobo-Cebollera Massif declared in 2005 with an area of 10,024 ha. Special Protection Area for Birds (ZEPA) and Place of Community Importance (SCI).
- The Pelagallinas River Fluvial Reserve declared in 2003 with an area of 362 ha.
