Alderdale is a Unincorporated area located in Nipissing, Ontario and has an elevation of 274 meters.

• Latitude: 46° 6' 1'' North   (decimal: 46.1002777)
• Longitude: 79° 15' 40'' West   (decimal: -79.2611111)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 274 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Alderdale
• GPS Coordinate Locator Map: Alderdale Lat/Long