Gum Tree Gully Conservation Park is a protected area in the Australian state of South Australia located in the locality of Hindmarsh Tiers about 55 kilometres (34mi) south of the state capital of Adelaide and about 6 kilometres (3.7mi) south-east of Myponga.[2]
The conservation park consists of the following land in the cadastral unit of the Hundred of Encounter Bay – Allotment 31 of Deposited Plan 79974.[4] The name was approved by the Surveyor General of South Australia on 18 August 2009 and is derived from a gully called Gum Tree Gully whose extent includes the conservation park.[2][5] As of 2018, it covered an area of 1.11 square kilometres (0.43sqmi).[3]