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

• Latitude: 46° 53' 37'' North   (decimal: 46.8936111)
• Longitude: 77° 9' 32'' West   (decimal: -77.1588889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Petit lac Sailly
• GPS Coordinate Locator Map: Petit lac Sailly Lat/Long