Rocky Gully is a small town and locality of the Shire of Plantagenet in the Great Southern region of Western Australia.

A large part of the south of the locality is covered by the Mount Roe National Park.

[2][3] The town is located along the Muir Highway, about 8 kilometres (5 mi) from the Kent River.

By 1951 a small community was established as part of the War Service land settlement scheme and the townsite was gazetted.

[4] The Tootanellup Nature Reserve was gazetted on 24 November 1944, has a size of 9.44 square kilometres (3.64 sq mi), and is located within the Jarrah Forest bioregion.