 Its Colombian segment ends in Tres Bocas and continues in Venezuela terminating in the Catatumbo River.The Zulia River is formed by several rivers originating in lakes in the highlands of Cachiri at about 4,220 meters above sea level, and located between 12°41'2" east longitude and 8’9" north latitude in the Santander Department, in the eastern range of the Andes mountains.The river flows through the province of Cúcuta, passing through the neighbouring nation of Venezuela, and ends in the waters of Lake Maracaibo.