The Guadarrama is a river in Spain. A tributary of the

Tagus The Tagus ( ; ; ) is the longest river in the Iberian Peninsula. The river rises in the Montes Universales between Cuenca and Teruel, in mid-eastern Spain, flows , generally westward, and empties into the Atlantic Ocean in Lisbon. Name T ...

, the longest river on the

Iberian Peninsula The Iberian Peninsula ( ), also known as Iberia, is a peninsula in south-western Europe. Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of peninsular Spain and Continental Portugal, comprisin ...

, Guadarrama has its source in the Siete Picos, part of the Sierra de Guadarrama, in the

Community of Madrid The Community of Madrid (; ) is one of the seventeen autonomous communities and 50 provinces of Spain, provinces of Spain. It is located at the heart of the Iberian Peninsula and Meseta Central, Central Plateau (); its capital and largest munici ...

, in the central part of the country, at an altitude of .

Course

The Guadarrama flows from north to south for through the autonomous community of Castilla-La Mancha and the

Province of Toledo Toledo () is a Province (Spain), province of central Spain, in the western part of the Autonomous communities of Spain, autonomous community of Castile–La Mancha. It is bordered by the provinces of Madrid Province, Madrid, Cuenca Province (Spai ...

, where it empties into the Tagus. Tagus

Its middle course is a

protected area Protected areas or conservation areas are locations which receive protection because of their recognized natural or cultural values. Protected areas are those areas in which human presence or the exploitation of natural resources (e.g. firewood ...

within the Regional Park of the Middle Course of the Guadarrama River and Its Surroundings (), which is one of the three regional parks within the Community of Madrid. The basin area is about Its main tributary is the Aulencia River, which flows entirely within the Community of Madrid and supplies water to the reservoir of Valmayor.

References

External links

* Rivers of Spain Rivers of the Community of Madrid Rivers of Castilla–La Mancha Tributaries of the Tagus {{Spain-river-stub