Lac Guay is a Lake located in Béarn; Témiscamingue, Quebec and has an elevation of 284 meters.

• Latitude: 47° 12' 37'' North   (decimal: 47.2103481)
• Longitude: 79° 1' 52'' West   (decimal: -79.0312024)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 284 meters
• Location: Béarn; Témiscamingue
• Atlas of Canada Locator Map: Lac Guay
• GPS Coordinate Locator Map: Lac Guay Lat/Long