| Río grande de Matagalpa | |
|---|---|
| Origin | Selva negra, Matagalpa |
| Mouth | Region Autónoma del Atlantico Sur |
| Basin countries | Nicaragua |
| Length | 267mi (430 km) |
Río Grande de Matagalpa (Awaltara in Miskito) is a river of Nicaragua. Running 430 kilometers (270 mi) from its source near Matagalpa to the Caribbean Sea in the northern part of the Southern Atlantic Autonomous Region it is the second longest river in Nicaragua. It gives it name to the city and department of La Cruz del Río Grande.