Black Virgin Mountain (Ba Den Mountain)

Ba Den Mountain is an extinct volcano in the heart of Vietnam's Tay Ninh province, Vietnam. This mountain is central to a Vietnamese tale concerning Ba Den, a local Khmer deity. Ba Den Mountain is an extinct volcano in the heart of Vietnam's Tay Ninh province. This is the tallest mountain in South Vietnam today, with an elevation of 986 meters, and is known as "First Thien Son.