Denis Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 390 meters.

• Latitude: 48° 40' 16'' North   (decimal: 48.6711111)
• Longitude: 85° 25' 41'' West   (decimal: -85.4280555)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 390 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Denis Lake
• GPS Coordinate Locator Map: Denis Lake Lat/Long