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

• Latitude: 57° 26' 29'' North   (decimal: 57.4413888)
• Longitude: 130° 37' 3'' West   (decimal: -130.6175000)
• Topography Feature Category: Mountain
• Geographical Feature: Ridge
• Canadian Province/Territory: British Columbia
• Location: Cassiar Land District
• Atlas of Canada Locator Map: Obsidian Ridge
• GPS Coordinate Locator Map: Obsidian Ridge Lat/Long