Lac Forbes is a Lake located in Lac-Legendre; Matawinie, Quebec and has an elevation of 439 meters.

• Latitude: 46° 30' 33'' North   (decimal: 46.5092083)
• Longitude: 74° 12' 5'' West   (decimal: -74.2012709)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 439 meters
• Location: Lac-Legendre; Matawinie
• Atlas of Canada Locator Map: Lac Forbes
• GPS Coordinate Locator Map: Lac Forbes Lat/Long