Rivière Wiyaschun is a River located in Baie-James; Jamésie, Quebec and has an elevation of 152 meters.

• Latitude: 52° 49' 3'' North   (decimal: 52.8175)
• Longitude: 77° 31' 47'' West   (decimal: -77.5297222)
• Topography Feature Category: River
• Geographical Feature: Rivière
• Canadian Province/Territory: Quebec
• Elevation: 152 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Rivière Wiyaschun
• GPS Coordinate Locator Map: Rivière Wiyaschun Lat/Long