[2] Although the park only occupies 0.2 percent of Western Australia's land surface, it is home to over 20% of the state's native plant species.

The investment is to be used to redevelop and seal 80 km (50 mi) of roads within the park, construct a walking trail from Bremer Bay to Hopetoun, and upgrade existing recreational facilities.

[8] Point Ann is one of the two places (the other is Head of the Bight) along Australia's coast where southern right whales come to calve during their winter migration.

Within the National Park is the Quaalup Homestead Wilderness Retreat (now run as a hotel) that was built in 1858 by the Wellstead Family.

Many of the peaks in the park are off limits to climbers to prevent the spread of dieback or root rot from Phytophthora cinnamomi.

This was later explained by Hassel's Nyungar friend, Gimbuck, who now advised her to sleep with two fires and away from water because of the reputation of groups of 'wild dogs' (dingos) in the area; this practical concern was accompanied by the ancestral story of their abundance.

[24] Migratory birds find refuge in the wetland and coastal regions and species that temporarily inhabit the area include the white-bellied sea eagle, Pacific swift, and the Caspian tern.