Kaustiskach is a Unincorporated area located in Baie-James; Jamésie, Quebec.

• Latitude: 50° 49' 19'' North   (decimal: 50.8219444)
• Longitude: 78° 27' 0'' West   (decimal: -78.45)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Lieu-dit
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Kaustiskach
• GPS Coordinate Locator Map: Kaustiskach Lat/Long