Lac Achistuskach is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 228 meters.

• Latitude: 54° 0' 2'' North   (decimal: 54.0005556)
• Longitude: 74° 56' 31'' West   (decimal: -74.9419444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 228 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Achistuskach
• GPS Coordinate Locator Map: Lac Achistuskach Lat/Long