most of the remaining forest is in the eastern ranges, with the tarra-bulga national park, gunyah rainforest reserve, the morwell national park, mount worth state park, mirboo north regional park and the holey plains state park set aside as formal conservation reserves. there are also significant areas of state forest, including won wron and mullungdung, as well as other conservation reserves inside the hancock victorian plantations (hvp) estate, such as the "cores and links".