Situated along the Eyre Highway in the far west corner of the State, the Nullarbor National Park offers spectacular views of the Great Australian Bight. The park itself is entirely desert, with patches of mallee scrub and some ground cover of bluebush and saltbush. It is renowned for its unique desolate beauty. The Nullarbor Plain’s sub-stratum of limestone has been eroded to form one of the largest underwater cave systems in the world, popular with experienced potholers and cave divers. Access to the caves is only available through arrangement with the Far West District Office of the Department for Environment, Heritage and Aboriginal Affairs.