McMillan Lake is a Lake located in Cochrane, Ontario and has an elevation of 249 meters.

• Latitude: 49° 46' 33'' North   (decimal: 49.7758333)
• Longitude: 84° 37' 37'' West   (decimal: -84.6269444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 249 meters
• Location: Cochrane
• Atlas of Canada Locator Map: McMillan Lake
• GPS Coordinate Locator Map: McMillan Lake Lat/Long