Ing River

Ing River
Phayao Lake. The Ing River flows northwards through this lake.
Map of Thai highlands, including Ing River
Native nameน้ำแม่อิง (Thai)
Location
CountryThailand
StatePhayao Province, Chiang Rai Province
CityPhayao
Physical characteristics
Source 
  locationPhi Pan Nam Range, Phayao Province, Thailand
MouthMekong
  location
Sathan, Chiang Khong District, Chiang Rai Province
  coordinates
20°12′19″N 100°27′3″E / 20.20528°N 100.45083°E / 20.20528; 100.45083
  elevation
346 m (1,135 ft)
Length300 km (190 mi)

The Ing River (Thai: น้ำแม่อิง, RTGS: Nam Mae Ing, pronounced [náːm mɛ̂ː ʔīŋ]) is a tributary of the Mekong River in the northern part of Thailand. It has its source in Doi Luang, Phi Pan Nam Range, in Mae Chai District, Phayao Province. The Ing flows through the plain area of Thoeng District.

The Ing Watershed is one of the most abundant watersheds in Thailand. It consists of rich natural resources and ecosystem diversity, including forests, mountains, rivers, stream tributaries, and watershed areas. The 260-kilometer basin river flows from Phayao Province to Chiang Rai Province in Northern part of Thailand before linking to Mekong River.