Lac Mitsim Mukustshiau is a Lake located in Lac-Jérôme; Minganie, Quebec.

• Latitude: 50° 40' 0'' North   (decimal: 50.6666667)
• Longitude: 63° 49' 19'' West   (decimal: -63.8219444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Jérôme; Minganie
• GPS Coordinate Locator Map: Lac Mitsim Mukustshiau Lat/Long