Lac Hayes is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 438 meters.

• Latitude: 46° 34' 38'' North   (decimal: 46.5772222)
• Longitude: 76° 41' 32'' West   (decimal: -76.6922221)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 438 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Hayes
• GPS Coordinate Locator Map: Lac Hayes Lat/Long