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 zones of urbanisation can be distinguished: The largest suburbs are to the South, and in general along the main routes leading out of Madrid. "Submetropolitan areas" inside Madrid metropolitan area: Little medieval architecture is preserved in Madrid, mostly in the Almendra central, including the San Nicolás and San Pedro el Viejo church towers, the church of St. Jerome, and the Bishop's Chapel. Nor has Madrid retained much Renaissance architecture, other than the Bridge of Segovia and the Convent of Las Descalzas Reales. Many of the historic buildings of Madrid date from the Spanish Golden Age, which coincided with the Habsburgs