Mountain Lake is a Lake located in Grey, Ontario.

• Latitude: 44° 19' 4'' North   (decimal: 44.3177777)
• Longitude: 80° 53' 8'' West   (decimal: -80.8855555)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Location: Grey
• Atlas of Canada Locator Map: Mountain Lake
• GPS Coordinate Locator Map: Mountain Lake Lat/Long