Gargantilla del Lozoya and Pinilla de Buitrago are placed in Valle del Lozoya, next to Montes Carpetanos and close to to the river which gives name to this place.
Since the eleventh century, its historical past is loaded with events which took place in our Medieval period. Some of these events are true, and some of them are considered traditional legends. Apart from this, both influenced the subsequent relation between the trones of Castilla, Aragón, León, Pamplona, Portugal and Granada, which were the first European monarchies.
Gargantilla de Lozoya and Pinilla de Buitrago have been joined toguether since the nineteenth century. They also share endowments and services. They conform a huge viewpoint in a natural and beautiful space which is opened to Valle del Lozoya and which make visitors enjoy several natural landscapes.
The first one is placed in the foot of the mount Cerro de la Cruz. Besides, it is pierced by Santiago stream, which rises at their summits. The second one, slightly separated from the mount, is crossed by Pinilla stream, which finishes its way a few distance from Riosequillo reservoir.