Mousseau Lake is a Lake located in Frontenac, Ontario and has an elevation of 294 meters.

• Latitude: 45° 11' 14'' North   (decimal: 45.1872222)
• Longitude: 76° 49' 37'' West   (decimal: -76.8269444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 294 meters
• Location: Frontenac
• Atlas of Canada Locator Map: Mousseau Lake
• GPS Coordinate Locator Map: Mousseau Lake Lat/Long