 Several caves and lava tubes can also be found at Byaduk.The native vegetation of Mount Napier State Park, on the western side of the mountain, varies from grassy woodland to tall open forest dominated by Manna Gum "Eucalyptus viminalis", Blackwood "Acacia melanoxylon", Austral Bracken "Pteridium esculentum" and Common Tussock Grass "Poa labillardieri".This hosts a variety of native fauna, including birds, marsupials and mammals, including bats (Bird 1997).