O'Brien Lake is a Lake located in 27-15-W5, Alberta and has an elevation of 2240 meters.

• Latitude: 51° 17' 11'' North   (decimal: 51.2863888)
• Longitude: 116° 5' 58'' West   (decimal: -116.0994444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Alberta
• Elevation: 2240 meters
• Location: 27-15-W5
• Atlas of Canada Locator Map: O'Brien Lake
• GPS Coordinate Locator Map: O'Brien Lake Lat/Long