Big Missouri Ridge is a Mountain located in Cassiar Land District, British Columbia.

• Latitude: 56° 6' 34'' North   (decimal: 56.1094444)
• Longitude: 130° 1' 23'' West   (decimal: -130.0230555)
• Topography Feature Category: Mountain
• Geographical Feature: Ridge
• Canadian Province/Territory: British Columbia
• Location: Cassiar Land District
• Atlas of Canada Locator Map: Big Missouri Ridge
• GPS Coordinate Locator Map: Big Missouri Ridge Lat/Long