Cassiar River is a River located in Cassiar Land District, British Columbia.

• Latitude: 58° 39' 00'' North   (decimal: 58.6499999)
• Longitude: 128° 5' 30'' West   (decimal: -128.0917000)
• Topography Feature Category: River
• Geographical Feature: River
• Canadian Province/Territory: British Columbia
• Location: Cassiar Land District
• Atlas of Canada Locator Map: Cassiar River
• GPS Coordinate Locator Map: Cassiar River Lat/Long