The conservation park has an area of 1,565 hectares (3,870 acres), stretching from Point Ellen, at the western end of Vivonne Bay, south-westwards along the coast for about 5 km (3.1 mi), extending inland for 3 km (1.9 mi). The vegetation is mainly open scrub and open heath dominated by Eucalyptus diversifolia and E. rugosa, with low Calocephalus brownii shrubland on the coastal dunes and cliffs.[5] The conservation park is classified as an IUCNCategory Ia protected area.[1]