Lac Gamache is a Lake located in Lac-Walker; Sept-Rivières, Quebec and has an elevation of 511 meters.

• Latitude: 50° 31' 6'' North   (decimal: 50.5183333)
• Longitude: 67° 16' 31'' West   (decimal: -67.2752778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 511 meters
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Gamache
• GPS Coordinate Locator Map: Lac Gamache Lat/Long