Lac Breteuil is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 366 meters.

• Latitude: 47° 7' 2'' North   (decimal: 47.1172222)
• Longitude: 77° 22' 34'' West   (decimal: -77.3761111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 366 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Breteuil
• GPS Coordinate Locator Map: Lac Breteuil Lat/Long