The Murchison River is the second longest river in Western Australia. It flows for about 820 km (510 mi) from the southern edge of the Robinson Ranges to the Indian Ocean at Kalbarri. The Murchison-Yalgar-Hope river system is the longest river system in Western Australia. It has a mean annual flow of 208 gigalitres, although in 2006, the peak year on record since 1967, flow was 1,806 gigalitres.

Kalbarri is a coastal town in the Mid West region located 592 km (368 mi) north of Perth, Western Australia. The town is located at the mouth of the Murchison River, which has an elevation of 6 metres (20 ft). It is connected by public transport to Perth via Transwa coach services N1 and N2.