The Cuenca Alimentadora del Distrito Nacional de Riego 043 Estado de Nayarit is a protected natural area in west-central Mexico. It extends across portions of southern Sierra Madre Occidental and the westernmost Trans-Mexican Volcanic Belt. It has an area of 23290.27 km2, covering portions of southern Durango, northern Jalisco, eastern Nayarit, southern Zacatecas, and western Aguascalientes states.