The Hayedo Montejo beech forest is located on the slopes of the Sierra de Ayllón and is protected as a Natural Site of National Interest. It is a site of Community Importance (SCI) of Alto Lozoya and is also included within the limits of the the Sierra del Rincón Biosphere Reserve.
El Estrecho (The Strait of Gibraltar) natural park covers the southern most tip of Spain, containing within it environs a richness of history, vegetation and especially bird and marine life.
The coast of Morocco is just 14km away and this offers the shortest span for birds migrating from Europe to the African continent. Birds funnel into this area throughout the year with spring and autumn offering the most amazing sights. More than a million birds of over 200 species congregate in the area each year, this natural phenomenon is observed by many keen birdwatchers and researchers.
Los Alcornocales is a forest of Cork oak trees, the largest in Iberia and therefore important to the worlds cork supply. The park, which also embraces mountains, creates a green corridor from the Sierra de Grazalema natural park through to the coastal zone at Tarifa.
The Natural Park of the Sierra de Grazalema has also been declared a Biosphere Reserve, this is due to the diverse geography with high limestone mountains and deep gorges such as Garganta Verde, (Green Gorge) that is 400m deep and filled with lush vegetation. In addition, it offers a great diversity of species- animals and vegetation.