Pinnacle Minerals Limited operates in the mineral exploration and evaluation industry in Australia and Canada. It explores for heavy minerals sands, rare earth elements (REE), lithium, and uranium. The company's flagship property is the 75% owned Adina East Lithium Project, consisting of 147 claims covering approximately an area of 72.7 square kilometers, located in James Bay, Quebec. The company was incorporated in 2021 and is headquartered in Mount Hawthorn, Australia.