Kilmashogue or Kilmashoge is a mountain in Dún Laoghaire–Rathdown county in Ireland. It is 408 metres high and forms part of the group of hills in the Dublin Mountains which comprises Two Rock, Three Rock, Kilmashogue and Tibradden Mountains. The forest plantation on its northern slope, which is composed mainly of Sitka spruce, Scots pin…Kilmashogue or Kilmashoge is a mountain in Dún Laoghaire–Rathdown county in Ireland. It is 408 metres high and forms part of the group of hills in the Dublin Mountains which comprises Two Rock, Three Rock, Kilmashogue and Tibradden Mountains. The forest plantation on its northern slope, which is composed mainly of Sitka spruce, Scots pine and beech, is a habitat for Sika deer, hares, rabbits and foxes. A number of prehistoric monuments can be found on the slopes of the mountain.