Barrio de La Latina (Madrid) the vicinity of the San Francisco Racecourse - that continues from the Plaza de la Cebada up to the San Francisco el Grande Basilica. These limits are: to the north, Segovia street - a deep ravine formerly occupied by the San Pedro Stream which empties into the Manzanares River, to the south there is la Ronda and Puerta de Toledo, on the east there is Toledo street - bordering Rastro and the district of Lavapiés - and to the west, Bailen street. La Latina occupies much of the oldest section of Madrid, sometimes referred to as El Madrid de los
Guadarrama (river) (), 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. Guadarrama (river) The Guadarrama is a river in Spain. A tributary of the Tagus, the longest river on the Iberian Peninsula, Guadarrama has its source in the Siete Peak, part of the Sierra de Guadarrama, in the Community of Madrid, in the central part of the country, at an altitude of . The Guadarrama flows from north to