Knockalongy
 Knockalongy (from Irish: Cnoc na Loinge meaning hill of the encampment) is a 544 m (1785 ft) Marilyn in County Sligo Republic of Ireland. It is the highest of the Ox Mountains. The nearest village is Skreen.There is a large number of megalithic tombs on the plain between Knockalongy and Sligo Bay to the north. There are also two small loughs at the foot of the mountain—Lough Aghree and Lough Minnaun.