Bethartoli South is a mountain of the Garhwal Himalaya in Uttarakhand, India.The elevation of Bethartoli South is and its prominence is . It is 117th highest located entirely within the Uttrakhand. Nanda Devi, is the highest mountain in this category. It is situated in the Nanda Devi sanctuary. It lies 1.3 km south of Bethartoli its nearest higher neighbor. It is 17 km west of Nanda Devi and it lies 8.9 km NW of Devistan .