East Branch Cupsuptic River
| East Branch Cupsuptic River | |
|---|---|
| Location | |
| Country | United States | 
| Physical characteristics | |
| Source | |
| • location | Maine | 
| Mouth | |
 • location  | Cupsuptic River | 
 • elevation  | 1,830 feet (560 m) | 
The East Branch Cupsuptic River is a short tributary of the Cupsuptic River in Maine. It flows about 4 miles (6 km) from its source (45°09′36″N 70°49′52″W / 45.1600°N 70.8312°W) in a cirque between Snow Mountain and Twin Mountains, to its mouth on the Cupsuptic.