Lac Geoffroy is a Lake located in Saint-Guillaume-Nord; Matawinie, Quebec and has an elevation of 584 meters.

• Latitude: 46° 30' 36'' North   (decimal: 46.5100388)
• Longitude: 73° 54' 16'' West   (decimal: -73.9043153)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 584 meters
• Location: Saint-Guillaume-Nord; Matawinie
• Atlas of Canada Locator Map: Lac Geoffroy
• GPS Coordinate Locator Map: Lac Geoffroy Lat/Long