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

• Latitude: 46° 33' 20'' North   (decimal: 46.5556137)
• Longitude: 77° 8' 54'' West   (decimal: -77.1483391)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Petit lac Lynch
• GPS Coordinate Locator Map: Petit lac Lynch Lat/Long