Ruisseau Umushum Uwistam is a River located in Baie-James; Jamésie, Quebec.

• Latitude: 51° 11' 31'' North   (decimal: 51.1919444)
• Longitude: 79° 22' 46'' West   (decimal: -79.3794444)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Ruisseau Umushum Uwistam
• GPS Coordinate Locator Map: Ruisseau Umushum Uwistam Lat/Long