Lac Gaétan is a Lake located in Chute-des-Passes; Maria-Chapdelaine, Quebec.

• Latitude: 48° 59' 21'' North   (decimal: 48.9891667)
• Longitude: 71° 34' 19'' West   (decimal: -71.5719444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Chute-des-Passes; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Gaétan
• GPS Coordinate Locator Map: Lac Gaétan Lat/Long