Madrid environmental, sporting, leisure and cultural interest. Madrid Río provides a link with other green spaces in the city such as Casa de Campo and the Linear Park of the Manzanares River. The main landscaped area in Madrid Río is the Arganzuela Park, covering 23 hectares where pedestrian and cycling routes cover the whole park. The Madrid Río cycling network covers some and is linked to other bike routes. To the north, Madrid Rio connects to the Senda Real, the Green Ring for Cyclists and the E 7 (GR 10) trail, which goes as far as the Sierra de Guadarrama mountain
Community of Madrid fluvial river basins. Province of Madrid occupies a surface area of approximately 8,028 km (1.6% of all Spanish territory). More specifically, the exact position of Madrid is 3° 40´ of longitude west of Greenwich, England, and 40° 23´ north of the equator. Practically all of the Province is located between 600 and 1,000 m above sea level, with the highest point being Peñalara at 2,430 m and the lowest Alberche river in Villa del Prado at 430 m. Other considerable heights, as well as being famous, are the Ball of the World mountain (la Bola del Mundo) in Navacerrada, at