Lac Kay is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 247 meters.

• Latitude: 46° 35' 14'' North   (decimal: 46.5872222)
• Longitude: 76° 11' 2'' West   (decimal: -76.1838889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 247 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Kay
• GPS Coordinate Locator Map: Lac Kay Lat/Long