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Report sightings of Northern Pacific Seastars

Northern Pacific Seastars have been found in the Tidal River watercourse at Wilsons Promontory National Park, posing a major threat to Victoria’s marine environment. Read the information flyer for more details on how you can help.


Wilsons Promontory has diverse vegetation communities including warm temperate and cool temperate rainforest, tall open forests, woodlands, heathlands, and swamp and coastal communities.

The park has stands of White Mangrove, the most southerly stands of mangroves in the world.

The heathlands, influenced by the frequency and intensity of fire, are rich in species and provide habitats for a variety of fauna, including many threatened species.

The coastal dunes are a near perfect example of coastal succession ranging from bare dunes to protected woodlands.


Over 30 species of native mammals, not including marine mammals, have been recorded in the park. These include populations of the Long-nosed Potoroo, Swamp Antechinus, White-footed Dunnart, Broad-toothed Rat, Feather-tailed Glider and Eastern Pygmy-possum, as well as the more familiar kangaroos, koalas and wombats.

One of the most significant habitats of the New Holland Mouse occurs within the park, and a number of species of whale have been sighted in the waters off its coastline.

The Yanakie grasslands are popular for viewing Eastern Grey Kangaroos, wombats and emus.

Migratory wading birds feed on the tidal mudflats of Corner Inlet within and adjoining the park. The offshore islands provide roosting and breeding sites for sea birds, including an enormous number of Short-tailed Shearwaters.

Populations of the endangered Damselfly Hemiphlebia mirabilis, a "living fossil", are found around freshwater swamps and lagoons in the park.

Geological and landform features

Wilsons Promontory has a variety of geological and landform features of national geological and geomorphological significance.

There are nine individual sites within the park of state or regional significance, including Darby, Squeaky and Five Mile Beaches, Great Glennie and Cleft Islands, and Chinaman Creek Delta.

Norman Bay at Tidal River is an excellent and accessible place to study the different kinds and formations of granite that make up the Prom. The promontory represents the northern end of a large granite mass extending to north-east Tasmania. Erosion of the granitic massif has produced the spectacularly rugged landscape we see today.

The Yanakie isthmus connecting the granitic promontory to the mainland consists of marine and non-marine sediments and dune deposits.

Coastal features include expansive intertidal mudflats, sandy beaches and sheltered coves interrupted by prominent headlands and plunging granite cliffs in the south, backed by coastal dunes and swamps. In the intertidal zone adjoining Corner Inlet, large areas of highly productive tidal mudflat are exposed at low tide.