| Sebec River | |
|---|---|
| Origin | Maine |
| Mouth | Piscataquis River |
| Progression | Piscataquis River – Penobscot River |
| Basin countries | United States |
| Length | 10 miles (16 km) |
| Source elevation | 300 feet (91 m) |
| Mouth elevation | 265 feet (81 m) |
The Sebec River is a tributary of the Piscataquis River in Piscataquis County, Maine. From the outflow of Sebec Lake () in Sebec, the river runs 10.0 miles (16.1 km)[1] east and southeast to its confluence with the Piscataquis in Milo.