Where does Belize river starts?

The Belize River is the longest river in Belize. It starts in the Maya Mountains in the Cayo District and flows 290 km (180 mi) to the Caribbean Sea. The river's source is in a small valley near the village of San Ignacio. The river flows through a variety of ecosystems, including tropical rainforests, savannas, and coastal wetlands. The Belize River is home to a variety of wildlife, including fish, birds, and reptiles. The river is also a popular destination for fishing, swimming, and canoeing.