<P> The Spiti Valley is a cold desert mountain valley located high in the Himalaya mountains in the north - eastern part of the Indian state of Himachal Pradesh . The name "Spiti" means "The Middle Land", i.e. the land between Tibet and India . </P> <P> Local population follow Vajrayana Buddhism similar to that found in the nearby Tibet Autonomous Region and the Ladakh region of India . The valley and surrounding region is one of the least populated regions in India and is the gateway to the northernmost reaches of the nation . Along the northern route from Manali, Himachal Pradesh or Keylong via the Rohtang Pass or Kunzum Pass respectively, the valley lies in the North Eastern section of the Indian state Himachal Pradesh, and forms part of the Lahaul and Spiti district . The sub-divisional headquarters (capital) is Kaza, Himachal Pradesh which is situated along the Spiti River at an elevation of about 12,500 feet (3,800 m) above mean sea level . </P>

Which mountain range separates kinnaur and spiti from tibet