Lac Étroit is a Lake located in Lac-Walker; Sept-Rivières, Quebec and has an elevation of 671 meters.

• Latitude: 51° 2' 40'' North   (decimal: 51.0444444)
• Longitude: 67° 23' 39'' West   (decimal: -67.3941667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 671 meters
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Étroit
• GPS Coordinate Locator Map: Lac Étroit Lat/Long