O'Brien Lake is a Lake located in Sudbury, Ontario and has an elevation of 284 meters.

• Latitude: 46° 24' 1'' North   (decimal: 46.4002777)
• Longitude: 81° 47' 28'' West   (decimal: -81.7911111)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 284 meters
• Location: Sudbury
• Atlas of Canada Locator Map: O'Brien Lake
• GPS Coordinate Locator Map: O'Brien Lake Lat/Long