New Castle of Manzanares el Real was abandoned once the new castle was built. The castle now houses a museum of Spanish castles and hosts a collection of tapestries. It was declared a Monumento Histórico-Artístico in 1931. It is owned by the Duchy of the Infantado, but its management is the responsibility of the Community of Madrid. The lands bordering the upper reaches of the River Manzanares, rich in pastures and forests, were the subject of frequent disputes between different powers that emerged after the Reconquista. The communities of Villa y Tierra de Segovia and Madrid had several disputes over the 13th century, which were resolved
Soto del Real it is protected inside the Parque Regional de la Cuenca Alta del Manzanares. It borders with Manzanares el Real on the West, Miraflores de la Sierra on the East, Colmenar Viejo on the South, and Rascafría on the North. Soto del Real encompasses a variety of terrains: mountain tops, slopes, and the Manzanares-Guadalix tectonic pit. The urban nucleus is inside the pit, going through the Mediano, Chozas and Matarrubias streams, which flow into the Santillana reservoir, so they are tributaries of the Manzanares river. Geologically speaking, it is divided into the Mountain range, where there is a predominance of Gneiss