The Sierra de las Cruces, also popularly called Sierra del Monte de las Cruces, is a mountain range in Mexico, in its south central region, which delimits the valleys of Mexico and Cuautitlán in the Basin of Mexico, with Toluca Valley as well as a part of the Lerma Basin. The Battle of Monte de las Cruces took place in this mountain range, as well as the construction of the Cutzamala System.[1]
It is part of the Transversal Volcanic Axis, and represents the watershed of three hydrological basins: the Lerma River, the Valley of Mexico (both of the endorheic type) and the Balsas River (of the exorheic type).[2]