Lac Saint-Onge is a Lake located in Shawinigan; Shawinigan, Quebec and has an elevation of 252 meters.

• Latitude: 46° 40' 33'' North   (decimal: 46.6758333)
• Longitude: 72° 48' 22'' West   (decimal: -72.8061111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 252 meters
• Location: Shawinigan; Shawinigan
• Atlas of Canada Locator Map: Lac Saint-Onge
• GPS Coordinate Locator Map: Lac Saint-Onge Lat/Long