Étang Blais is a Lake located in Ascot Corner; Le Haut-Saint-François, Quebec and has an elevation of 241 meters.

• Latitude: 45° 26' 39'' North   (decimal: 45.4442077)
• Longitude: 71° 47' 12'' West   (decimal: -71.7867588)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Elevation: 241 meters
• Location: Ascot Corner; Le Haut-Saint-François
• Atlas of Canada Locator Map: Étang Blais
• GPS Coordinate Locator Map: Étang Blais Lat/Long