Third James Lake is a Lake located in Renfrew, Ontario and has an elevation of 186 meters.

• Latitude: 46° 5' 3'' North   (decimal: 46.0841666)
• Longitude: 77° 36' 58'' West   (decimal: -77.6161111)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 186 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Third James Lake
• GPS Coordinate Locator Map: Third James Lake Lat/Long