Laguna de Grande PeñalaraThe Peñalara Massif Wetlands are included in the Wetlands Listing of the Ramsar Convention, which recognizes its international relevance as a natural space for the wetlands preservation. They constitute the only area of the Sierra de Guadarrama included in such an important international wetlands listing, and together with the Aigüestortes National Park and the Sierra de Urbión have been the first high-mountain Spanish natural spaces recognized in such a listing.

The wetlands are ecosystems fundamental for the biologic diversity preservation and the human being welfare, fulfilling essential ecological functions. They are a great cultural, scientific and recreational relevance resource which has to be preserved. The Peñalara Massif has more than 240 high-mountain wetlands, such as lakes, ponds, streams and peat lands of a great ecological interest and value, many of them originated in the last glacial period. We should highlight among them the Peñalara Lake, the most important and well known of the whole Sierra de Guadarrama.

 

At the Peñalara Ramsar Site live 94 species protected by the Threaten Species National Catologue, 30 of them being of European relevance.

The environment control is especially important at the Peñalara Lake, where the ecological restoring processes have allowed recovering an ecosystem very disrupted not so many years ago. In order to evaluate the waters quality and the situation of the aquatic populations, samples are periodically gathered.

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