Lac O'Neil is a Lake located in Notre-Dame-du-Laus; Antoine-Labelle, Quebec and has an elevation of 233 meters.

• Latitude: 46° 3' 12'' North   (decimal: 46.0533333)
• Longitude: 75° 34' 37'' West   (decimal: -75.5769444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 233 meters
• Location: Notre-Dame-du-Laus; Antoine-Labelle
• Atlas of Canada Locator Map: Lac O'Neil
• GPS Coordinate Locator Map: Lac O'Neil Lat/Long