Lac Castor is a Lake located in Shawinigan; Shawinigan, Quebec and has an elevation of 222 meters.

• Latitude: 46° 38' 59'' North   (decimal: 46.6497221)
• Longitude: 72° 44' 1'' West   (decimal: -72.7336110)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 222 meters
• Location: Shawinigan; Shawinigan
• Atlas of Canada Locator Map: Lac Castor
• GPS Coordinate Locator Map: Lac Castor Lat/Long