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

• Latitude: 58° 49' 37'' North   (decimal: 58.8269444)
• Longitude: 74° 53' 4'' West   (decimal: -74.8844444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Tumivinirtalik
• GPS Coordinate Locator Map: Lac Tumivinirtalik Lat/Long