Mary Ann Lake is a Lake located in Timiskaming, Ontario and has an elevation of 350 meters.

• Latitude: 47° 19' 53'' North   (decimal: 47.3313888)
• Longitude: 79° 38' 26'' West   (decimal: -79.6405555)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 350 meters
• Location: Timiskaming
• Atlas of Canada Locator Map: Mary Ann Lake
• GPS Coordinate Locator Map: Mary Ann Lake Lat/Long