Río de los Remedios
Río de los Remedios is a 15.7 km long tributary shared by Mexico City and the State of Mexico, flowing through the boroughs of Gustavo A. Madero and Azcapotzalco, in Mexico City, and the municipalities of Naucalpan de Juárez, Tlalnepantla de Baz, Ecatepec de Morelos and Nezahualcóyotl, in the State of Mexico.