Great Western Mining Corporation PLC engages in the exploration and development of mineral properties in the United States, the Republic of Ireland, and the United Kingdom. The company explores for copper, silver, gold, and other minerals. It primarily holds interests in 249 full and fractional claims covering an area of approximately 20.7 square kilometers in Black Mountain Claim Group; and 107 full and 12 fractional claims covering an area of approximately 10 square kilometers in Huntoon Claim Group. Great Western Mining Corporation PLC was incorporated in 2004 and is based in Dublin, Ireland.