Lac Don is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 355 meters.

• Latitude: 46° 26' 6'' North   (decimal: 46.4350592)
• Longitude: 77° 33' 50'' West   (decimal: -77.5639112)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 355 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Don
• GPS Coordinate Locator Map: Lac Don Lat/Long