Valdemorillo is a Spanish town and municipality located in the Community of Madrid. The municipality, with a population of 13,453 inhabitants, includes, in addition to the town of Mojadillas, El Paraíso, Pino Alto Cazadero Real, Pino Alto Sector Sur, Jarabeltrán, Puentelasierra, La Esperanza, Montemorillo, Parque de las Infantas, La Pizarrera, Mirador del Romero, Los Barrancos and Cerro Alarcón shared with Navalagamella and Ampliación Cerro Alarcón. In the municipality is located part of the reservoir of Valmayor.

Colmenarejo is a Spanish town and municipality in the Community of Madrid, located in the northwest of the region, in the foothills of the Sierra de Guadarrama, 899 meters high and 37 kilometers away from the capital. It is bordered to the north by El Escorial, to the east by Galapagar, to the south by Villanueva del Pardillo and to the west by Valdemorillo. Its only road access is the M 510, from Galapagar or from Valdemorillo. It has in its municipality with the east bank of the reservoir of Valmayor, second in capacity of the Region of Madrid, with the third Campus of the University Carlos III of Madrid and with an attractive natural environment, where you can go for walks with a bicycle, within the Regional Park of the middle course of the Guadarrama River and its surroundings, in which stand out the holm oaks and pastures of cattle use dotted with junipers, ash trees and gall oaks.