The Middlemount Coal Mine is an open-cut mine located approximately 90 kilometres north-east of Emerald and some 7 kilometres west of the township of Middlemount in Queensland's Bowen Basin.

With JORC compliant measured and indicated resources and proved and probable ROM reserves of some 123 mt and 96 mt respectively at mine startup the current mine life is estimated to be in excess of 24 years.

[1] Nathan Tinkler paid $11.5 million to Sennen Resources in 2006 for the undeveloped mine.

[2] In 2007, Tinkler sold a 30% share to the Hong Kong-based Noble Group for $50 million.

[2] In January 2013, Cyclone Oswald caused flooding in the area which resulted in the breach of levee banks.