Witchcliffe is a small town in the South West region of Western Australia, located a few kilometres south of Margaret River on the Bussell Highway. The name originates from a cave in the area, Witchcliffe cave, that was recorded by a surveyor in 1900. It is believed the name was given by the Bussell family whose property, Wallcliffe, was established in the areā¦Witchcliffe is a small town in the South West region of Western Australia, located a few kilometres south of Margaret River on the Bussell Highway. The name originates from a cave in the area, Witchcliffe cave, that was recorded by a surveyor in 1900. It is believed the name was given by the Bussell family whose property, Wallcliffe, was established in the area in the 1850s.