By 1907 the property was owned by Loton and Padbury, and occupied an area of 2,590 square kilometres (1,000 sq mi).

During summer, between October and April, temperatures rise above 40 °C (104 °F), and cyclones and local thunderstorms can flood roads and watercourses.

Both campgrounds are suitable for tent camping up to very large caravans and motorhomes, and can be accessed by two-wheel drive vehicles in good weather.

Its cultural and mythological importance stems from thousands of years of occupation, with Millstream being the home of the serpent or Warlu, similar to the Wagyl, whose presence is still strongly felt at Nhanggangunha (Deep Reach Pool).

[citation needed] All the pools are significant in this regard and warrant a high level of respect because of their spiritual and mythological importance.

The broad area of land straddling the Fortescue River (Yarnda Nyirranha) from the Hamersley Range through to the Chichester escarpment is the homeland of the Yindjibarndi people.

Along the river, Aboriginal people had a varied diet of red meat, fish, reptiles, grubs, eggs, honey fruits and root vegetables.

Yindjibarndi and Ngarluma people continue to come to the park to spend time on country and to carry out customary activities.