Little Trewartha Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 486 meters.

• Latitude: 49° 11' 53'' North   (decimal: 49.1980555)
• Longitude: 90° 43' 17'' West   (decimal: -90.7213888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 486 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Little Trewartha Lake
• GPS Coordinate Locator Map: Little Trewartha Lake Lat/Long