Lac Usausinak is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 206 meters.

• Latitude: 52° 52' 37'' North   (decimal: 52.8769444)
• Longitude: 76° 21' 29'' West   (decimal: -76.3580556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 206 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Usausinak
• GPS Coordinate Locator Map: Lac Usausinak Lat/Long