Lac à Hilaire is a Lake located in Madawaska, New Brunswick and has an elevation of 321 meters.

• Latitude: 47° 17' 20'' North   (decimal: 47.2890261)
• Longitude: 68° 44' 40'' West   (decimal: -68.7444938)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: New Brunswick
• Elevation: 321 meters
• Location: Madawaska
• Atlas of Canada Locator Map: Lac à Hilaire
• GPS Coordinate Locator Map: Lac à Hilaire Lat/Long