Tonawa Lake is a Lake located in Frontenac, Ontario and has an elevation of 275 meters.

• Latitude: 44° 51' 2'' North   (decimal: 44.8505555)
• Longitude: 77° 10' 41'' West   (decimal: -77.1780555)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 275 meters
• Location: Frontenac
• Atlas of Canada Locator Map: Tonawa Lake
• GPS Coordinate Locator Map: Tonawa Lake Lat/Long