Gagnon Lake is a Lake located in Muskoka, Ontario and has an elevation of 303 meters.

• Latitude: 45° 14' 43'' North   (decimal: 45.2452777)
• Longitude: 79° 31' 57'' West   (decimal: -79.5325000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 303 meters
• Location: Muskoka
• Atlas of Canada Locator Map: Gagnon Lake
• GPS Coordinate Locator Map: Gagnon Lake Lat/Long