Développement-Blais is a Unincorporated area located in Ascot Corner; Le Haut-Saint-François, Quebec and has an elevation of 214 meters.

• Latitude: 45° 26' 30'' North   (decimal: 45.4417078)
• Longitude: 71° 47' 8'' West   (decimal: -71.7856476)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Elevation: 214 meters
• Location: Ascot Corner; Le Haut-Saint-François
• Atlas of Canada Locator Map: Développement-Blais
• GPS Coordinate Locator Map: Développement-Blais Lat/Long