Mullaghaneany is a Hewitt of 627 m in Causeway Coast and Glens. It is one of only three register hills in the Sperrin Mountains region, with Sawel and Mullaghclogha.
All four of its nearest neighbours lie to the west, so it stands at the eastern edge of its group. It shares its height of 627 m with Nephin Beg. On the Hewitts height ladder it sits between Nephin Beg (627 m) and Moel Ysgyfarnogod (623 m).
