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

• Latitude: 50° 37' 11'' North   (decimal: 50.6197222)
• Longitude: 78° 54' 42'' West   (decimal: -78.9116666)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Chwach Kaustat
• GPS Coordinate Locator Map: Lac Chwach Kaustat Lat/Long