Riordon is a Unincorporated area located in Gloucester, New Brunswick.

• Latitude: 47° 47' North   (decimal: 47.7832999)
• Longitude: 65° 15' West   (decimal: -65.2500000)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: New Brunswick
• Location: Gloucester
• GPS Coordinate Locator Map: Riordon Lat/Long