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

• Latitude: 57° 42' 5'' North   (decimal: 57.7012557)
• Longitude: 68° 11' 21'' West   (decimal: -68.1892726)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Kapiyupayau
• GPS Coordinate Locator Map: Lac Kapiyupayau Lat/Long