Grandmaison is a Unincorporated area located in Madawaska, New Brunswick and has an elevation of 210 meters.

• Latitude: 47° 30' 55'' North   (decimal: 47.5153031)
• Longitude: 68° 23' 4'' West   (decimal: -68.3845646)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: New Brunswick
• Elevation: 210 meters
• Location: Madawaska
• Atlas of Canada Locator Map: Grandmaison
• GPS Coordinate Locator Map: Grandmaison Lat/Long