Boulay is a Unincorporated area located in Lac-au-Saumon; La Matapédia, Quebec and has an elevation of 249 meters.

• Latitude: 48° 25' 4'' North   (decimal: 48.4178237)
• Longitude: 67° 23' 30'' West   (decimal: -67.3916568)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Lieu-dit
• Canadian Province/Territory: Quebec
• Elevation: 249 meters
• Location: Lac-au-Saumon; La Matapédia
• Atlas of Canada Locator Map: Boulay
• GPS Coordinate Locator Map: Boulay Lat/Long