Motagua River
The rivers are short and shallow in the Pacific drainage basin, larger and deeper in the Caribbean and the Gulf of Mexico drainage basins. These rivers include the Polochic and Dulce Rivers, which drain into Lake Izabal, the Motagua River, the Sarstún, which forms the boundary with Belize, and the Usumacinta River, which forms the boundary between Petén and Chiapas, Mexico.