| Pleasant River | |
|---|---|
| Origin | Maine |
| Mouth | Piscataquis River |
| Progression | Piscataquis River – Penobscot River |
| Basin countries | United States |
| Length | 15 miles (24 km) |
| Source elevation | 350 feet (110 m) |
| Mouth elevation | 260 feet (79 m) |
| Left tributaries | East Branch Pleasant River |
| Right tributaries | West Branch Pleasant River |
The Pleasant River is a tributary of the Piscataquis River in Piscataquis County, Maine. From the confluence of the East Branch and West Branch () in Brownville, the river runs 15.2 miles (24.5 km)[1] south and southeast to its mouth on the Piscataquis in Medford.