The Seleguá (Spanish pronunciation: [seleˈɣwa]) is a river in Guatemala. The river flows northwards from its sources in the highlands of Huehuetenango until it crosses the border with Mexico at 15.749467°N 91.918659°W (Río Seleguá), and continues northwards into the Presa de La Angostura, one of Mexico's largest artificial lakes. The river's length in Guatemala is 102 km.