knockdrum stone fort. county cork, ireland

aerial age ancient archaeological architecture bronze building burial caher cairn cashel cathair celt celtic chamber cork countryside county cult culture ditch down drone dun earthen enclosing europe exterior fort geometric heritage hill hillfort hills hilltop historic historical ireland irish iron knockdrum landscape leinster masonry megalithic monument mound mounds mountain national nature neolithic old outdoors oval prehistoric rath rathgall ring rolling round ruin ruins settlement shillelagh sight slabs social spiruality stone stonefort stones top tourism travel valley view wall walls