Bellevue is an eastern suburb of Perth, Western Australia in the local government areas of the City of Swan and the Shire of Mundaring.It is at the foot of the slopes of Greenmount, a landmark on the Darling Scarp that is noted in the earliest of travel journals of the early Swan River Colony.Bellevue is bounded by the Helena River to the south, Great Eastern Highway to the north and Military Road and Cowie Close to the west.Being at the eastern part of the Swan Coastal Plain, Bellevue is also at the foot of the Darling Scarp with Greenmount Hill as the point of access to the region to the east.Bellevue has changed over the duration of its existence due to a number of factors - the extensive claypits of the early twentieth century (most having been since filled in), and the industrial locations adjacent to the railway lines.