Sost, the only dry port town in Northern Pakistan, is situated in Gojal region of the Northern Areas of Pakistan. The dry port at Sost makes it a major trade market of the area as well as an attraction for tourists. It is the last major town inside Pakistan on the Karakoram Highway before the Chinese border . The town is an important place on the Karakoram Highway for all passenger and Cargo transport because all traffic crossing the Pakistan-China border passes through this town and the Pakistani immigration and customs departments are based here.
The town of Sost is connected by the Karakoram Highway to
Karimabad, Gilgit and Chilas on the South and to the Chinese
cities of Tashkurgan, Upal and Kashgar in the North.
Passenger road service between the Tashkurgan and the
Pakistani cities of Sost and Gilgit also exists, and there
is road service between Kashi and Gilgit (via Tashkurgan and
Sust ). However, the border crossing between China and
Pakistan at Khunjerab Pass (the highest border of the world)
is open only between May 1 and October 15 of every year.
During winter, the roads are blocked by snow.