Calidus Resources Limited is an Australian-based gold exploration and exploitation company that focuses on identifying new gold deposits in the East Pilbara and Pilbara Goldfields of Western Australia. The company's flagship projects include Warrawoona Gold and Blue Spec, which cover a combined area of approximately 780 square kilometers. Additionally, the company owns a 70% interest in the Otways gold-copper project, also located in Western Australia. Calidus Resources Limited was founded in 1986 and is headquartered in West Perth, Australia.