Note: this list of places includes island features such as summits, but not islands as such.
Castlemahon MountainHillDownCounty in NI and in Ulster Province, in Binnion List, Sandstone Bedrock
Height:128mOS 1:50k Mapsheet: 21Grid Reference: J55588 47265 Place visited by 17 members. Recently by: Kirsty, Vfslb1904, dregish, Carolyn105, Fergalh, eamonoc, Ulsterpooka, LorraineG60, MichaelG55, AntrimRambler, Wilderness, sandman, Garmin, chalky, Peter Walker I have visited this place: NO (You need to be a logged-in member to change this.)
Castlemahon Mountain is the 1489th highest place in Ireland. Castlemahon Mountain is the most southerly summit and also the second most easterly in the Belfast Hills area. It's also the second most easterly summit in Ireland. Linkback: https://mountainviews.ie/summit/1368/