Glenthorne Passage is a Channel located in Cowichan Land District, British Columbia and has an elevation of 7 meters.

• Latitude: 48° 50' North   (decimal: 48.8333000)
• Longitude: 123° 24' West   (decimal: -123.3999999)
• Topography Feature Category: Channel
• Geographical Feature: Passage
• Canadian Province/Territory: British Columbia
• Elevation: 7 meters
• Location: Cowichan Land District
• Atlas of Canada Locator Map: Glenthorne Passage
• GPS Coordinate Locator Map: Glenthorne Passage Lat/Long