Lac-Écho is a Unincorporated area located in Prévost;La Rivière-du-Nord, Quebec and has an elevation of 233 meters.

• Latitude: 45° 52' 39'' North   (decimal: 45.8775402)
• Longitude: 74° 1' 8'' West   (decimal: -74.0187670)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Centre de villégiature
• Canadian Province/Territory: Quebec
• Elevation: 233 meters
• Location: Prévost;La Rivière-du-Nord
• Atlas of Canada Locator Map: Lac-Écho
• GPS Coordinate Locator Map: Lac-Écho Lat/Long