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
Madrid on 16 January 1945 at . These records were registered at the airport, in the eastern side of the city. Precipitation is concentrated in the autumn and spring, and, together with Athens which has similar annual precipitation, is the driest capital in Europe. It is particularly sparse during the summer, taking the form of about two showers and/or thunderstorms during the season. Madrid derives almost 73.5 percent of its water supply from dams and reservoirs built on the Lozoya River, such as the El Atazar Dam, which was built in 1972 and inaugurated by Francisco Franco. This water supply is