Lachung is a town and hill station in northeast Sikkim, India. It is located in the North Sikkim district near the border with Tibet. Lachung is at an elevation of about 9,600 feet (2,900 m) and at the confluence of the lachen and Lachung Rivers, both tributaries of the River Teesta. The word Lachung means "small pass". The town is approximately 125 kilometres (78 mi) from the capital Gangtok.