Peak Downs is a large open cut coking coal mine in Queensland located 31 km SSE of Moranbah. Peak Downs is one of seven mines in Bowen Basin owned by the BHP Mitsubishi Alliance, Australia's largest coal miner and exporter.
Production at Peak Downs started in 1972.
It is currently the largest coal mine in Australia by production, with 718 million tonnes of recoverable coal reserves as of June 2019.
It produced more than 11.8Mt of metallurgical coal in the year ending 30 June 2019.
According to en.wikipedia & mining-technology