Greenmount is a locality and a geographical feature in the Shire of Mundaring, Western Australia, on the edge of the Darling Scarp. It is a vital point in the transport routes from the Swan Coastal Plain into the hinterland of Western Australia.

The Shire of Mundaring is a local government area in eastern metropolitan Perth, the capital of Western Australia. The Shire covers an area of 645 square kilometres (249 sq mi) and had a population of approximately 38,000 as at the 2016 Census.