Golden Horse Minerals Limited operates as a gold exploration company that is engaged in the acquisition, exploration, and development of mineral projects in Western Australia. It primarily explores for gold, nickel, and lithium exploration. Its flagship project is the Hopes Hill project located in Perth, Western Australia. The company was formerly known as Altan Rio Minerals Limited and changed its name to Golden Horse Minerals Limited in July 2023. Golden Horse Minerals Limited is based in Vancouver, Canada.