Lac Iyaatiwiinapaakus is a Lake located in Baie-d'Hudson; Kativik, Quebec.

• Latitude: 56° 24' 6'' North   (decimal: 56.4016667)
• Longitude: 76° 9' 38'' West   (decimal: -76.1605556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Iyaatiwiinapaakus
• GPS Coordinate Locator Map: Lac Iyaatiwiinapaakus Lat/Long