Deuxième lac Donat is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec.

• Latitude: 48° 25' 17'' North   (decimal: 48.4213889)
• Longitude: 72° 48' 12'' West   (decimal: -72.8033333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• GPS Coordinate Locator Map: Deuxième lac Donat Lat/Long