Big Sister Mountain is a Mountain located in Kootenay Land District, British Columbia and has an elevation of 2207 meters.

• Latitude: 50° 6' 22'' North   (decimal: 50.1061111)
• Longitude: 117° 34' 44'' West   (decimal: -117.5788888)
• Topography Feature Category: Mountain
• Geographical Feature: Mountain
• Canadian Province/Territory: British Columbia
• Elevation: 2207 meters
• Location: Kootenay Land District
• Atlas of Canada Locator Map: Big Sister Mountain
• GPS Coordinate Locator Map: Big Sister Mountain Lat/Long