Petit lac Donaldson is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec.

• Latitude: 49° 52' 15'' North   (decimal: 49.8708967)
• Longitude: 72° 14' 58'' West   (decimal: -72.2495343)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Petit lac Donaldson
• GPS Coordinate Locator Map: Petit lac Donaldson Lat/Long