Étang Trépezec is a Lake located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 50° 34' 34'' North   (decimal: 50.5761111)
• Longitude: 67° 24' 16'' West   (decimal: -67.4044444)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Étang Trépezec
• GPS Coordinate Locator Map: Étang Trépezec Lat/Long