Lac Pierre is a Lake located in Lac-Nilgaut; Pontiac, Quebec.

• Latitude: 46° 20' 38'' North   (decimal: 46.3438889)
• Longitude: 76° 46' 3'' West   (decimal: -76.7675)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Pierre
• GPS Coordinate Locator Map: Lac Pierre Lat/Long