Bertha Lake is a Lake located in Nipissing, Ontario and has an elevation of 428 meters.

• Latitude: 45° 35' 14'' North   (decimal: 45.5872222)
• Longitude: 78° 12' 10'' West   (decimal: -78.2027777)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 428 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Bertha Lake
• GPS Coordinate Locator Map: Bertha Lake Lat/Long