The Sprague River is a 2.5-mile-long (4.0 km) river in the town of Phippsburg, Maine. It flows primarily through tidal marsh and empties into the Atlantic Ocean, 1.5 miles (2.4 km) west of the mouth of the Morse River and 3.5 miles (5.6 km) west of the mouth of the Kennebec River.
- ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed June 30, 2011
Coordinates: 43°43′19″N 69°50′05″W / 43.72203°N 69.83477°W