Ping River

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Ping River
Ping River (I).jpg
Ping River at Chiang Mai in October 2020.
Map of the Chao Phraya River drainage basin showing the Ping River
DistrictChiang Mai, Lamphun, Tak, Kamphaeng Phet, Nakhon Sawan
CitiesChiang Mai, Saraphi, San Sai, Kamphaeng Phet, Banphot Phisai
Physical characteristics
SourceKhun Ping[1]
 • locationDoi Thuai, Chiang Dao, Chiang Mai province
 • coordinates19°48′45″N 98°50′20″E / 19.81250°N 98.83889°E / 19.81250; 98.83889
 • elevation1,700 m (5,600 ft)
MouthChao Phraya River, Pak Nam Pho
 • location
Nakhon Sawan province
 • elevation
25 m (82 ft)
Length658 km (409 mi)
Basin size44,688 km2 (17,254 sq mi)
 • locationNakhon Sawan
 • average265 m3/s (9,400 cu ft/s)
 • maximum2,302 m3/s (81,300 cu ft/s)
Basin features
 • leftNgad River, Kwuang River, Li River, Wang River
 • rightTaeng River, Chaem River

The Ping River (Thai: แม่น้ำปิง, RTGSMaenam Ping, pronounced [mɛ̂ː.náːm pīŋ]), along with the Nan River, is one of the two main tributaries of the Chao Phraya River.[2] It originates at Doi Thuai in the Daen Lao Range, in Chiang Dao district, Chiang Mai province. After passing Chiang Mai, it flows through the provinces of Lamphun, Tak, and Kamphaeng Phet. At the confluence with the Nan River at Nakhon Sawan (also named Paknam Pho in Thai), it forms the Chao Phraya River.


Ping Basin[edit]

The Ping Basin is one of the largest drainage basins of the Chao Phraya Watershed, draining 33,896 square kilometres (13,087 sq mi) of land.

The greater Ping Basin, i.e. the basin of the entire Ping river system including its tributary the Wang River, drains a total of 44,688 square kilometres (17,254 sq mi).

The main dams in the basin are the Bhumibol Dam and the Doi Tao Dam.

National Parks[edit]

The Ping itself originates in Huai Nam Dang National Park and flows through Mae Ping National Park.



  1. ^ "Chiang Dao National Park". Thai Forest Booking. Retrieved 2009-05-20.
  2. ^ "Mae Ping River: Lifeline of Chiangmai Province". Chiangmai and Chiangrai Magazine. 2008. Archived from the original on 2009-11-29. Retrieved 2009-04-02.

Coordinates: 19°30′N 98°58′E / 19.500°N 98.967°E / 19.500; 98.967