Western Yilgarn NL engages in the exploration of minerals in Australia and the Solomon Islands. The company explores for bauxite and alumina deposits. It holds interests in the Darling Range Bauxite project, which comprises two exploration license applications covering an area of 405 square kilometers situated in the Darling Ranges in Perth, Western Australia. The company was formerly known as Pacific Bauxite Limited and changed its name to Western Yilgarn NL in July 2022. Western Yilgarn NL was incorporated in 2005 and is based in West Perth, Australia.