| Pleasant River | |
|---|---|
| Origin | Maine |
| Mouth | |
| Basin countries | United States |
| Mouth elevation | sea level |
| Left tributaries | Taylor Branch, Western Little River, Little River |
| Right tributaries | West Branch Pleasant River |
The Pleasant River is a river in Washington County, Maine. From the outflow of Pleasant River Lake () in Beddington, the river runs 44.8 miles (72.1 km)[1] south, east, and south to Pleasant Bay. The river's mouth is on the border between the towns of Harrington and Addison.