Nanda Devi is India's second highest mountain after Kangchenjunga (8,586m), and the highest mountain entirely within the country. It is a very striking peak located in the Nanda Devi National Park, with its name meaning 'Bliss-Giving Goddess'. It has been closed to climbers since 1983, for its religious significance and for apparent environmental reasons. Nanda Devi was once considered to be the highest mountain in the world before computations advanced in the early 1800s. The mountain is a two-peaked massif with a lower eastern peak (Nanda Devi East, or Sunanda Devi).