Golden Star Resources Ltd. is primarily involved in gold mining and exploration. The company oversees significant gold operations in Ghana, including the Wassa complex, which encompasses an open-pit mine, an underground mine, and a carbon-in-leach processing plant, all situated northeast of Tarkwa. Additionally, it manages the Bogoso gold mining and processing facilities, along with the Prestea open-pit and underground mines, which are located near the town of Prestea.