The Phum Duang River (, , ) (rarely also called the ''Khiri Rat River'') is a river in
Surat Thani Province,
southern Thailand
Southern Thailand, Southern Siam or Tambralinga is a southernmost cultural region of Thailand, separated from Central Thailand region by the Kra Isthmus.
Geography
Southern Thailand is on the Malay Peninsula, with an area of around , bounded ...
, the main tributary of the
Tapi River.
[ราชบัณฑิตยสถาน. ''อักขรานุกรมภูมิศาสตร์ไทย เล่ม ๑ ฉบับราชบัณฑิตยสถาน.'' พิมพ์ครั้งที่ 5. กรุงเทพฯ : ราชบัณฑิตยสถาน, 2557, หน้า 140.]
The rivers drains an area of west of the Tapi watershed, mainly the eastern slopes of the
Phuket mountain range
The Phuket Range ( th, ทิวเขาภูเก็ต, ''Thio Khao Phuket'', ) is a subrange of the Tenasserim Hills in the Kra Isthmus, Thailand.
Geography
The Phuket chain is a continuation of the greater Tenasserim range, forming one of ...
. It joins the estuary of the Tapi west of
Surat Thani
Surat Thani ( th, สุราษฎร์ธานี, ) is a city in Amphoe Mueang Surat Thani, Surat Thani Province, southern Thailand. It lies south of Bangkok. It is the capital of Surat Thani Province. The city has a population of 1 ...
in
Phunphin District
Phunphin ( th, พุนพิน, ) is a district ('' amphoe'') in Surat Thani province in the south of Thailand. Tha Kham is the principal town of the district. In 2014, the population was 73,067.
Geography
Neighboring districts are (from nort ...
.
The river has a total length of 80 km.
Etymology
The etymology of "Phum Duang" is unknown but the etymology for "Khiri Rat" originated from the rivers origination point being in the
Khiri Rat Nikhom District at the confluence of the Phrasaeng and Sok rivers.
References
Rivers of Thailand
Geography of Surat Thani province
Kra Isthmus
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