The Ping River is the main contributary of Chao Phraya River. It originates at Doi Chiang Dao 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. Tak is a town (thesaban mueang) in northwest of Thailand, capital of the Tak Province and the Tak district. ... A view of the Chao Phraya River in Bangkok The Chao Phraya (Thai à¹à¸¡à¹à¸à¹à¸³à¹à¸à¹à¸²à¸à¸£à¸°à¸¢à¸²) is a major river in Thailand, with its low alluvial river plain marking the mainland of the country. ... Chiang Mai (Thai à¹à¸à¸µà¸¢à¸à¹à¸«à¸¡à¹) is the second-biggest province (changwat) of Thailand, located in the north of the country. ... A street scene in Chiang Mai, showing (centre right), a gate of the old city wall. ... Lamphun (Thai ลำพูน) is one of the northern provinces (changwat) of Thailand. ... Tak (Thai à¸à¸²à¸) is one of the northern provinces (changwat) of Thailand. ... Kamphaeng Phet (Thai กำแพงเพชร) is one of the provinces (changwat) of Thailand, located in the north of the country. ... The Nan River at What Tha Luang, Phichit Province The Nan River is one of the most important tributaries of the Chao Phraya River. ... View over Nakhon Sawan Nakhon Sawan (Thai à¸à¸à¸£à¸ªà¸§à¸£à¸£à¸) is a city in Thailand, the name literally means Heavenly City. The city has about 125. ... A view of the Chao Phraya River in Bangkok The Chao Phraya (Thai à¹à¸¡à¹à¸à¹à¸³à¹à¸à¹à¸²à¸à¸£à¸°à¸¢à¸²) is a major river in Thailand, with its low alluvial river plain marking the mainland of the country. ...