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

• Latitude: 47° 46' 35'' North   (decimal: 47.7764693)
• Longitude: 76° 43' 6'' West   (decimal: -76.7182980)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Senneterre; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac Jean-Guy
• GPS Coordinate Locator Map: Lac Jean-Guy Lat/Long