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Chiang Saen Port is in an area of around 9 rais situated on the bank of Mekong River, Chiang Saen District, Chiang Rai Province. The is adjacent to the Mekong River and opposite People's Democratic Republic of Laos.  Behind the port is the road linking Chiang Saen and Chiang Kong

The terminal at Chiang Saen Port is two pontoons with bridges linking with the quayside. Trucks can to load and transfer cargoes on the ship's side on all the time

Berth capacity can accommodate ship less than 200 Gross tonnage, 50 meters in length and 2 meters in depth.  However, ship with 300 Gross tonnage can berth if the side of the berth is renovated. A bouy can accommodate two more ships or two bouys and side of the berth is improved to maximum 5 ships.  Loading by gangway with roof along the bridge can be done.  Link bridge with 6 meters in width and 30 meters in length, has capacity of 800 Kg./square meter.  Fork lift and small truck can be used for load through the bridge with slope 12 degree following the agreement between Thai and Laos technicians.  Truck park for 50 trucks with 8 -10 wheels. 1 mobile crane with capacity of 50 tonnes and a set of conveyor belt is available.    

The route from the Chiang Saen Port to the Kuan Lei Port in China is around 265 kilometers with draught of 1.5 - 7 meters varying on seasons.
China has improved the channel and built dam to generate electric power and control the water supply for cargo ships throughout the year.
The inland cargo transport by road can be made from Highway No. 1, turning to Highway No. 1016 at Mae Chan District and it take around 30 kilometers to the port.
The road transport network between the East-West Economic Corridor linking Pacific Ocean with Indian Ocean and the North-South Corridor linking China with Malaysia have also been developed. Since the crossroads is located in Pisanulok Province, it is more convenient for the cargo transport from different regions to the port and vice versa.
 The air- borne transport can be made through the international airport at Chiang Rai Province. A rail system will be also linked to the province in the future.
Given these factors, Chiang Saen Port is considered a connection point for trade with southern provinces of China, Myanmar and Laos. It can also serve cargo transport to other countries in the east via the Bangkok Port and Laem Chabang Port as well as countries in the west via Ranong Port to form a triangle transport network in the future.