 The Mummel River has formed the deep 'V' shaped gorge of the Mummel Gulf, which exceeds in the head of this gorge.The Mummel Gulf National Park protects tall, open eucalypt forest on the south-eastern escarpment of the New England region.The park communities also include wet sclerophyll forest and snow gum ("Eucalyptus pauciflora") forest in the higher parts of the park, around Porters Camp.