Mount Dennis is a Unincorporated area located in York, Ontario and has an elevation of 123 meters.

• Latitude: 43° 41' 13'' North   (decimal: 43.6869444)
• Longitude: 79° 29' 21'' West   (decimal: -79.4891666)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Urban Community
• Canadian Province/Territory: Ontario
• Elevation: 123 meters
• Location: York
• Atlas of Canada Locator Map: Mount Dennis
• GPS Coordinate Locator Map: Mount Dennis Lat/Long