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

• Latitude: 55° 14' 40'' North   (decimal: 55.2444444)
• Longitude: 74° 57' 37'' West   (decimal: -74.9602778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Anatwayach
• GPS Coordinate Locator Map: Lac Anatwayach Lat/Long