The Golok River is a river that lies on the border between

Malaysia-Thailand border

The Malaysia-Thailand border consists of both a land boundary across the Malay Peninsula and maritime boundaries in the Straits of Malacca and the Gulf of Thailand/South China Sea. Malaysia lies to the south of the border while Thailand lies to the north...

 Malaysia and Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

. It is spanned only by the Malaysian-Thai friendship bridge. The name of the river in Malay is Sungei Golok, meaning "River of Swords".

It borders the Malaysian state of Kelantan

Kelantan

Kelantan is a state of Malaysia. The capital and royal seat is Kota Bharu. The Arabic honorific of the state is Darul Naim, ....

 and the Thai province

Provinces of Thailand

Thailand is divided into 76 provinces , which are geographically grouped into 6 regions. The capital Bangkok is not a province but a special administrative area and is included as the 77th province since it is administered at the same level as the other 76 provinces. The name of the provinces are...

 of Narathiwat

Narathiwat

Narathiwat is a town in southern Thailand, capital of the Narathiwat Province. The town covers the whole subdistrict Bang Nak of Mueang Narathiwat district. The town was established in 1936.-External links:...

. The friendship bridge connects the Malaysian town of Rantau Pajang and the Thai town of Sergei Golok. Rantau Pajang is a duty free zone.

The river floods seasonally with the monsoon

Monsoon

Monsoon is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation, but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with the asymmetric heating of land and sea...

. An unusually large flood occurred on 21 December 2009, causing an evacuation of parts of Kelantan.