Lac Atatipayach is a Lake located in Baie-James; Jamésie, Quebec.

• Latitude: 54° 5' 1'' North   (decimal: 54.0836111)
• Longitude: 79° 0' 53'' West   (decimal: -79.0147222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Atatipayach
• GPS Coordinate Locator Map: Lac Atatipayach Lat/Long