Petit lac Coupal is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 426 meters.

• Latitude: 46° 57' 55'' North   (decimal: 46.9652778)
• Longitude: 77° 29' 34'' West   (decimal: -77.4927777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 426 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Petit lac Coupal
• GPS Coordinate Locator Map: Petit lac Coupal Lat/Long