Lac Gamache is a Lake located in Lac-De La Bidière; Antoine-Labelle, Quebec.

• Latitude: 47° 42' 32'' North   (decimal: 47.7089614)
• Longitude: 75° 26' 14'' West   (decimal: -75.4371155)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-De La Bidière; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Gamache
• GPS Coordinate Locator Map: Lac Gamache Lat/Long