Petit lac Hardy is a Lake located in Lac-Nilgaut; Pontiac, Quebec.

• Latitude: 46° 39' 50'' North   (decimal: 46.6639488)
• Longitude: 76° 41' 51'' West   (decimal: -76.6974740)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Petit lac Hardy
• GPS Coordinate Locator Map: Petit lac Hardy Lat/Long