| Medomak River | |
|---|---|
| Origin | Maine |
| Mouth | Muscongus Bay |
| Basin countries | United States |
| Length | 40 miles (64 km) |
| Source elevation | 600 feet (180 m) |
| Mouth elevation | sea level |
| Left tributaries | Back River, Goose River |
The Medomak River is a 40-mile-long (64 km)[1] river in Maine. From its source () in Liberty, the river winds 32 miles (51 km) south to the head of its estuary in Waldoboro, then about 8 miles (13 km) south to Bremen. The river flows through Hockomock Channel into the head of Muscongus Bay.