Tarkwa Mine has the distinction of being one of the largest gold mines in South Ghana. Approximately 24 tons of gold is produced annually, and 100 million tons of earth is moved to achieve this production rate. The Iduapriem Gold Mine is also located near Tarkwa, 10 km south of the town. The Tarkwa Goldfield was discovered a few years before the Witwatersrand Goldfield in South Africa.