Lac Gignac is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 251 meters.

• Latitude: 50° 0' 2'' North   (decimal: 50.0005555)
• Longitude: 79° 23' 59'' West   (decimal: -79.3997222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 251 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Gignac
• GPS Coordinate Locator Map: Lac Gignac Lat/Long