Johnstons River is a River located in Queens, Prince Edward Island and has an elevation of 27 meters.

• Latitude: 46° 18' North   (decimal: 46.2999999)
• Longitude: 63° 1' West   (decimal: -63.0166999)
• Topography Feature Category: River
• Geographical Feature: River
• Canadian Province/Territory: Prince Edward Island
• Elevation: 27 meters
• Location: Queens
• Atlas of Canada Locator Map: Johnstons River
• GPS Coordinate Locator Map: Johnstons River Lat/Long