Muckish is a Hewitt of 667.1 m in Donegal. Its drop of 484 m is 73% of its height: the col linking it to higher ground is only 183 m above sea level.
All four of its nearest neighbours lie to the south, so it stands at the northern edge of its group. It shares its height of 667.1 m with Binnein Shios. On the Hewitts height ladder it sits between Foel Cedig (667.5 m) and Tarren y Gesail (666.9 m). The summit is marked by a trig point.
