Ping River at Tak
|Districts||Chiang Mai, Lamphun, Tak, Kamphaeng Phet, Nakhon Sawan|
|- left||Ngad River, Kwuang River, Li River, Wang River|
|- right||Taeng River, Chaem River|
|Cities||Chiang Mai, Saraphi, San Sai, Kamphaeng Phet, Banphot Phisai|
|- location||Doi Tuay, Chiang Dao, Chiang Mai Province|
|- elevation||1,700 m (5,577 ft)|
|Mouth||Chao Phraya River, Pak Nam Pho|
|- location||Nakhon Sawan province|
|- elevation||25 m (82 ft)|
|Length||658 km (409 mi)|
|Basin||44,688 km2 (17,254 sq mi)|
|Discharge||for Nakhon Sawan|
|- average||265 m3/s (9,358 cu ft/s)|
|- max||2,302 m3/s (81,294 cu ft/s)|
The Ping River (Thai: แม่น้ำปิง, RTGS: Maenam Ping, IPA: [mɛ̂ːnáːm piŋ]), along with the Nan River, is one of the two main contributaries of Chao Phraya River. It originates at Doi Tuay, Daen Lao Range, in Chiang Dao district, Chiang Mai Province. After passing Chiang Mai town, it flows though the provinces 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.
The principal tributary of the Ping is the Wang River.
The Ping Basin is one of the largest drainage basins of the Chao Phraya Watershed, draining 33,896 km² of land area.
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 km² of land area.
The Ping River flows through the Mae Ping National Park.
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