It is dominated by the peaks of Nanda Devi and Nanda Devi East of India's second highest mountain which is approached through the Rishiganga gorge, one of the deepest in the world. No humans live in the Park which has remained more or less intact because of its rugged inaccessibility. It has a very diverse flora and is the habitat of several endangered mammals, among them the snow leopard, serow, himalayan musk deer and bharal.