Altair Minerals Limited engages in the exploration of natural resources in Australia and Canada. The company explores for gypsum, lithium, cobalt, and copper deposits. It holds 100% interests in the Pyramid Lake project covering an area of 112.66 square kilometers located in Esperance, Western Australia; Cobalt X project located in Queensland; Ontario Lithium project located in Ontario, Canada; and the Olympic Domain Tenements consisting of eight exploration licenses covering an area of 831 square kilometer located in South Australia. The company also holds 80% interests in the Wee MacGregor project comprising three granted mining licenses located in southeast of Mt. Isa. The company was formerly known as Cohiba Minerals Limited and changed its name to Altair Minerals Limited in May 2024. Altair Minerals Limited was incorporated in 2011 and is headquartered in Melbourne, Australia.