Union Passage is a Channel located in Range 4 Coast Land District, British Columbia and has an elevation of 27 meters.

• Latitude: 53° 22' North   (decimal: 53.3666999)
• Longitude: 129° 27' West   (decimal: -129.4499999)
• Topography Feature Category: Channel
• Geographical Feature: Passage
• Canadian Province/Territory: British Columbia
• Elevation: 27 meters
• Location: Range 4 Coast Land District
• Atlas of Canada Locator Map: Union Passage
• GPS Coordinate Locator Map: Union Passage Lat/Long