 The national park is also home to the Macleay River tortoise, a recently discovered species, and a rare mammal, the Hastings River mouse ("Pseudomys oralis"), which is considered to be in imminent danger of extinction.Car access to the park is mainly via the Waterfall Way, east of Armidale and Oxley Highway, east of Walcha.All roads to visitor facilities are suitable for conventional cars except the 4WD tracks to Riverside, Youdales Hut and East Kunderang.