Lac Charest is a Lake located in Grenville-sur-la-Rouge; Argenteuil, Quebec and has an elevation of 177 meters.

• Latitude: 45° 39' 51'' North   (decimal: 45.6641667)
• Longitude: 74° 45' 1'' West   (decimal: -74.7502778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 177 meters
• Location: Grenville-sur-la-Rouge; Argenteuil
• Atlas of Canada Locator Map: Lac Charest
• GPS Coordinate Locator Map: Lac Charest Lat/Long