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

• Latitude: 57° 13' 11'' North   (decimal: 57.2198572)
• Longitude: 66° 41' 36'' West   (decimal: -66.6933878)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Makwachau Upikwayipanan
• GPS Coordinate Locator Map: Lac Makwachau Upikwayipanan Lat/Long