Clamshell Lake is a Lake located in Nipissing, Ontario and has an elevation of 307 meters.

• Latitude: 46° 1' 3'' North   (decimal: 46.0175000)
• Longitude: 78° 16' 51'' West   (decimal: -78.2808333)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 307 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Clamshell Lake
• GPS Coordinate Locator Map: Clamshell Lake Lat/Long