The Irish name for Castlemahon is Caiseal Mathúna
Castlemahon is on Logainm.ie: Castlemahon.
It is located at 54° 20' 43" N, 5° 36' 19" W.
Castlemahon has an area of:
Nationwide, it is the 19785th largest townland that we know about
Within Co. Down, it is the 745th largest townland
Castlemahon borders the following other townlands:
Curious to see who lived in Castlemahon in the past? Maybe even seeing scans of their handwritten census returns?
Castlemahon was added to OpenStreetMap on 18 Feb 2015 by Stephen_Co_Antrim.