Lac Sheshamush is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 473 meters.

• Latitude: 54° 27' 54'' North   (decimal: 54.465)
• Longitude: 71° 18' 7'' West   (decimal: -71.3019444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 473 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Sheshamush
• GPS Coordinate Locator Map: Lac Sheshamush Lat/Long