The Hamersley & Robe River railway, majority-owned and operated by the Rio Tinto Group, is a private rail network in the Pilbara region of Western Australia for the purpose of carrying iron ore. The network is larger than any other Australian heavy freight rail network in private ownership. The total length of the networks track is about 1,300 kilometres of track.

The Hamersley and Robe River Railway Mining Company is an Australian iron ore mining company that is owned by Rio Tinto, one of the world's largest mining companies. The company operates two iron ore mines in the Pilbara region of Western Australia, the Channar mine and the Robe River mine.

The Channar mine was established in 1966 and is located near the town of Paraburdoo in the Pilbara region. It is a joint venture between Hamersley Iron, a subsidiary of Rio Tinto, and China Steel Corporation. The mine produces roughly 30 million tonnes of iron ore annually, making it one of the largest iron ore producers in the world. The ore is transported by rail to the port of Dampier for export.

The Robe River mine was established in 1972 and is located near the town of Pannawonica in the Pilbara region. It is a joint venture between Hamersley Iron and Mitsui & Co. The mine produces roughly 25 million tonnes of iron ore annually, making it one of the largest iron ore producers in the world. The ore is transported by rail to the port of Cape Lambert for export.

The Hamersley and Robe River Railway is an extensive network of railway lines that connects the Channar and Robe River mines to the ports of Dampier and Cape Lambert. The railway is owned by Rio Tinto and operated by Hamersley Iron. The railway is over 1,000 kilometres in length and is the longest private railway in Australia.

The Hamersley and Robe River Railway Mining Company is a major employer in the Pilbara region of Western Australia, providing employment for thousands of people. The company is also a significant contributor to the local economy, providing jobs, taxes and royalties to the state government.

The Hamersley and Robe River Railway Mining Company is an important part of the Australian mining industry. It is a major producer of iron ore, providing a vital resource for the steel industry. The company is also a major employer in the Pilbara region and a significant contributor to the local economy.