Mary Jane Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 306 meters.

• Latitude: 49° 34' 47'' North   (decimal: 49.5797222)
• Longitude: 88° 3' 30'' West   (decimal: -88.0583333)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 306 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Mary Jane Lake
• GPS Coordinate Locator Map: Mary Jane Lake Lat/Long