Its boundaries were created in October 1998 for the "long established name" and included the Webling Bay Shack Area. The name was derived from the hill now located within the locality.[1] Its coastline with Spencer Gulf includes at its northern end, an inlet known as Mundoora Arm and a channel known as Hamilton Lagoons.[8]
As of 2015, land within the locality was zoned for agriculture while a strip of land along its coastline was zoned for conservation.[9]
^Boating Industry Association of South Australia (BIA); Department for Environment and Heritage (2005), South Australia's waters an atlas & guide, Boating Industry Association of South Australia, p. 207, ISBN978-1-86254-680-6