Leh was the capital of the Himalayan kingdom of Ladakh, now the Leh district in the Indian State ofJammu and Kashmir. Leh district, with an area of 45,110 km2, is the second largest district in the country, after Kutch, Gujarat, Leh was an important stopover on trade routes along the Indus Valley between Tibet to the east, Kashmir to the west and also between India and China for centuries. The main goods carried were salt, grain, pashm or cashmere wool, charas or cannabis resin from the Tarim Basin, indigo, silk yarn and Banaras brocade.
Nubra Valley :
Nubra is a tri-armed valley located to the north east of Ladakh valley. Diskit the capital of Nubra is about 150 km north from Leh town, the capital of Ladakh district, India. Local scholars say that its original name was Ldumra (the valley of flowers). The Shyok River meets the Nubra or Siachan River to form a large valley that separates the Ladakh and Karakoram Ranges. The Shyok river is a tributary of the Indus river. The average altitude of the valley is about 10,000 ft. i.e. 3048 metres above the sea level. The common way to access this valley is to travel over the Khardung La pass from Leh town.
Pangong Lake :
Pangong Tso Tibetan for "long, narrow, enchanted lake", also referred to as Pangong Lake, is an endorheic lake in the Himalayas situated at a height of about 4,350 m (14,270 ft). It is 134 km (83 mi) long and extends from India to Tibet. Approximately 60% of the length of the lake lies in Tibet. The lake is 5 km (3.1 mi) wide at its broadest point. All together it covers 604 km2. During winter the lake freezes completely, despite being saline water. It is not part of Indus river basin area and geographically a separate land locked river basin.