Lac Guy is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 268 meters.

• Latitude: 49° 48' 13'' North   (decimal: 49.8036111)
• Longitude: 79° 30' 20'' West   (decimal: -79.5055556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 268 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Guy
• GPS Coordinate Locator Map: Lac Guy Lat/Long