Pangong Tso is a lake situated far away in barren land in Ladakh. This lake is known for its calm, clear and unending expanse. It is the one of biggest lake in Asia. Its area falls under both India and China. One third of it is in India and remaining in China. It is 130 km long and 7 km wide. It is located on the Changtang plateau in eastern Ladakh, around 140 km South-east of Leh, at an altitude of over 14000 feet. Pangong Tso is also known as hollow lake. It is clear symbol of natures craftsmanship. Its brackish water plays with sun light to produce different colour effect. This area falls under army control and requires pass from deputy commissioner of LehTo reach this lake one has to travel 30 km down the Manali-leh highway to reach karu. From where the road splits, one goes to Manali and one 113 km long to Pangong tso.