Lac Guy is a Lake located in Senneterre; Vallée-de-l'Or, Quebec.

• Latitude: 47° 53' 33'' North   (decimal: 47.8925)
• Longitude: 76° 28' 0'' West   (decimal: -76.4666667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Senneterre; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac Guy
• GPS Coordinate Locator Map: Lac Guy Lat/Long