Foster Arm is a Bay located in Cariboo Land District, British Columbia and has an elevation of 761 meters.

• Latitude: 52° 16' North   (decimal: 52.2666999)
• Longitude: 118° 35' West   (decimal: -118.5832999)
• Topography Feature Category: Bay
• Geographical Feature: Arm
• Canadian Province/Territory: British Columbia
• Elevation: 761 meters
• Location: Cariboo Land District
• Atlas of Canada Locator Map: Foster Arm
• GPS Coordinate Locator Map: Foster Arm Lat/Long