Lac Guy is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 401 meters.

• Latitude: 49° 41' 7'' North   (decimal: 49.6852778)
• Longitude: 74° 13' 6'' West   (decimal: -74.2183333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 401 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Guy
• GPS Coordinate Locator Map: Lac Guy Lat/Long