Mousam River
View at West Kennebunk c. 1908
Mousam River is located in Maine
Mousam River
Location of mouth
CountryUnited States
Physical characteristics
 • coordinates
43°20′40″N 70°30′54″W / 43.34444°N 70.51500°W / 43.34444; -70.51500

The Mousam River is a 29.7-mile-long (47.8 km)[1] river in York County, Maine, United States. Its primary source is Mousam Lake, located between the towns of Shapleigh and Acton, and it flows into the Atlantic Ocean just west of Kennebunk Beach. It flows through the towns of Shapleigh, Sanford and Kennebunk.

Major tributaries


The Mousam River is one of the most heavily dammed rivers currently in the state of Maine, with a total of 13 (excluding major and minor tributaries). Most of the dams on the list below are used for hydroelectric production, while others are for impoundment and recreation, with former industrial uses. The list below is from river source to the mouth at the Atlantic Ocean:


  1. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed June 30, 2011
  2. ^ "Half of Maine dams that threaten lives lack state inspection". Retrieved 2015-07-23.[permanent dead link]
  3. ^ "Search Results Keywords: new dam". Retrieved 2015-07-23.
  4. ^ "Old Falls dam and hydroelectric station". Retrieved 2015-07-23.
  5. ^ "Town of Kennebunk". Retrieved 2015-07-23.
  6. ^ a b c "Mousam River dams at turning point". Retrieved 2015-07-23.