Kilclooney Mountain is a Hewitt of 792 m in Waterford. It is the highest of the 3 register hills recorded in Waterford; the next is Knockanaffrin at 755 m, 37 m lower.
Its nearest higher summit, Knockmealdown, beats it by just 0.4 m. Its drop of 628 m is 79% of its height: the col linking it to higher ground is only 164 m above sea level. It shares its height of 792 m with Dove Crag. On the Hewitts height ladder it sits between Knockmealdown (792.4 m) and Dove Crag (792 m). Its other name is Fauscoum.