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

• Latitude: 58° 36' 40'' North   (decimal: 58.6111111)
• Longitude: 77° 53' 21'' West   (decimal: -77.8891667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Isurtuq
• GPS Coordinate Locator Map: Lac Isurtuq Lat/Long