Gold Mountain Limited is an Australian mineral exploration and development company with operations in Papua New Guinea. The company, formerly known as Commissioners Gold Limited, focuses on exploring and developing gold, copper, and other precious and base metal ores. Its flagship project, the Wabag project, covers an area of around 1,456 square kilometers in the Enga Province of Papua New Guinea. The company was established in 2005 and is headquartered in Sydney, Australia.