Lac Écho is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec and has an elevation of 493 meters.

• Latitude: 50° 30' North   (decimal: 50.4999999)
• Longitude: 70° 6' West   (decimal: -70.0999999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 493 meters
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Écho
• GPS Coordinate Locator Map: Lac Écho Lat/Long