St. Dennis Lake is a Lake located in Cochrane, Ontario and has an elevation of 245 meters.

• Latitude: 49° 57' 57'' North   (decimal: 49.9658333)
• Longitude: 81° 11' 7'' West   (decimal: -81.1852777)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 245 meters
• Location: Cochrane
• Atlas of Canada Locator Map: St. Dennis Lake
• GPS Coordinate Locator Map: St. Dennis Lake Lat/Long