Adder Mountain is a Mountain located in Clayoquot Land District, British Columbia and has an elevation of 1275 meters.

• Latitude: 49° 14' 52'' North   (decimal: 49.2477777)
• Longitude: 125° 19' 20'' West   (decimal: -125.3222222)
• Topography Feature Category: Mountain
• Geographical Feature: Mountain
• Canadian Province/Territory: British Columbia
• Elevation: 1275 meters
• Location: Clayoquot Land District
• Atlas of Canada Locator Map: Adder Mountain
• GPS Coordinate Locator Map: Adder Mountain Lat/Long