Khardung La Pass is the only route for tourists to reach the Nubra Valley. The Pass, other wise known as K-Top, stand for the ‘Pass of Lower Castle’. Standing at a height of 18380 ft, Khardung La has been declared as the highest motor-able road in the world.The construction work of K-Top commenced on the 17th August, 1972, with the help of the 201 Engineer Regiment, Madras Sappers of the Indian Army. It took them a year to complete the construction process and finally the road was opened to the public on the 27th August of 1973. The Border Road Organisation has been given the responsibility for the maintenance of the Khardung La Pass throughout the year. While travelling through this pass, tourists can enjoy the beautiful view of the Karakoram and Ladakh range that lie to its north and south respectively.