Bamchu is a mountain of the Garhwal Himalaya in Uttarakhand India. It's situated on the eastern rim of Nanda Devi Sanctuary on the watershed of Milam Glacier and Nanda Devi basin. The elevation of Bamchu is and its prominence is . It is 124th highest located entirely within the Uttrakhand. Nanda Devi, is the highest mountain in this category. It lies 1.4 km South of Deo Damla its nearest higher neighbor and 3.1 km SSE of Mangraon . Kalanka lies 9.8 km NNW and 9.3 km SW lies Nanda Devi .