Lac Gavaudan is a Bay located in Baie-James; Jamésie, Quebec.

• Latitude: 53° 42' 14'' North   (decimal: 53.7038889)
• Longitude: 74° 34' 44'' West   (decimal: -74.5788889)
• Topography Feature Category: Bay
• Geographical Feature: Baie
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• GPS Coordinate Locator Map: Lac Gavaudan Lat/Long