Keep River Rock formations - view from above onto beehive-shaped rock formations and eucalypt trees. Keep River National Park, Northern Territory, Australia. This kind of beehive-shaped rock formations in Keep River Nationalpark are made up of sandstones and conglomerates; which are composed mainly of pebbles and boulders cemented together by finer material. They look similar to the formations in the Bungle Bungles and Keep River National Park is therefore also named little Bungle Bungle.