Lac Mikwasau is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 56° 8' 42'' North   (decimal: 56.145)
• Longitude: 71° 16' 49'' West   (decimal: -71.2802777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Mikwasau
• GPS Coordinate Locator Map: Lac Mikwasau Lat/Long