O'Neil Lake is a Lake located in Cape Breton, Nova Scotia and has an elevation of 58 meters.

• Latitude: 46° 8' 40'' North   (decimal: 46.1444444)
• Longitude: 60° 6' 25'' West   (decimal: -60.1069444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Nova Scotia
• Elevation: 58 meters
• Location: Cape Breton
• Atlas of Canada Locator Map: O'Neil Lake
• GPS Coordinate Locator Map: O'Neil Lake Lat/Long