| Manengon River | |
|---|---|
  | |
| Location | |
| Country | Guam |
| Physical characteristics | |
| Mouth | |
• coordinates | 13°23′54″N 144°45′00″E / 13.3983333°N 144.7500000°E |
| Length | 14 km |
The Manengon River is a river in the United States territory of Guam.[1] The Manengon River is the longest river in Guam.