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

Tagus The Tagus ( ; es, Tajo ; pt, Tejo ; see below) is the longest river in the Iberian Peninsula. The river rises in the Montes Universales near Teruel, in mid-eastern Spain, flows , generally west with two main south-westward sections, to e ...

, the longest river on the

Iberian Peninsula The Iberian Peninsula (), ** * Aragonese and Occitan: ''Peninsula Iberica'' ** ** * french: Péninsule Ibérique * mwl, Península Eibérica * eu, Iberiar penintsula also known as Iberia, is a peninsula in southwestern Europe, defi ...

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

Sierra de Guadarrama 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 G ...

, in the

Community of Madrid The Community of Madrid (; es, Comunidad de Madrid ) is one of the seventeen autonomous communities of Spain. It is located in the centre of the Iberian Peninsula, and of the Central Plateau (''Meseta Central''). 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 of central Spain, in the western part of the autonomous community of Castile–La Mancha. It is bordered by the provinces of Madrid, Cuenca, Ciudad Real, Badajoz, Cáceres, and Ávila. Its capital is the city of Toledo. ...

, 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, ecological or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the ena ...

within the Regional Park of the Middle Course of the Guadarrama River and Its Surroundings ( es, Parque Regional del curso medio del río Guadarrama y su entorno), 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