Lac à Guy is a Lake located in Lac-des-Eaux-Mortes; La Mitis, Quebec and has an elevation of 301 meters.

• Latitude: 48° 10' 27'' North   (decimal: 48.1742114)
• Longitude: 68° 3' 35'' West   (decimal: -68.0597337)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 301 meters
• Location: Lac-des-Eaux-Mortes; La Mitis
• Atlas of Canada Locator Map: Lac à Guy
• GPS Coordinate Locator Map: Lac à Guy Lat/Long