Lac Day is a Lake located in Senneterre; Vallée-de-l'Or, Quebec and has an elevation of 411 meters.

• Latitude: 48° 18' 27'' North   (decimal: 48.3075)
• Longitude: 76° 25' 15'' West   (decimal: -76.4208332)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 411 meters
• Location: Senneterre; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac Day
• GPS Coordinate Locator Map: Lac Day Lat/Long