Three Nations Lake is a Lake located in Cochrane, Ontario and has an elevation of 285 meters.

• Latitude: 48° 30' 58'' North   (decimal: 48.5161111)
• Longitude: 81° 6' 18'' West   (decimal: -81.1050000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 285 meters
• Location: Cochrane
• Atlas of Canada Locator Map: Three Nations Lake
• GPS Coordinate Locator Map: Three Nations Lake Lat/Long