| Kok River | |
|---|---|
 Kok River at Tha Ton | |
 Map of the Thai highlands | |
| Native name | แม่น้ำกก (Thai) |
| Location | |
| Country | Burma, Thailand |
| State | Shan State, Chiang Mai Province, Chiang Rai Province |
| District | Mae Ai, Mueang Chiang Rai, Mae Chan, Wiang Chai, Chiang Saen |
| City | Chiang Rai city |
| Physical characteristics | |
| Source | |
| • location | Daen Lao Range, Shan State, Burma |
| Mouth | Mekong River |
• location | Sop Kok, Wiang Chai, Chiang Rai Province |
• coordinates | 20°14′39″N 100°8′19″E / 20.24417°N 100.13861°E |
• elevation | 358 m (1,175 ft) |
| Length | 285 km (177 mi) |
| Basin size | 10,875 km2 (4,199 sq mi) |
| Discharge | |
| • location | Chiang Rai city |
| • average | 120 m3/s (4,200 cu ft/s) |
| • minimum | 5 m3/s (180 cu ft/s) |
| • maximum | 848 m3/s (29,900 cu ft/s) |
| Discharge | |
| • location | Sob Kok |
| • average | 170 m3/s (6,000 cu ft/s) |
| Basin features | |
| Tributaries | |
| • right | Fang, Lao River |
The Kok River (Thai: แม่น้ำกก, RTGS: Mae Nam Kok, pronounced [mɛ̂ː náːm kòk]) is a tributary river of the Mekong that flows in Chiang Rai and Chiang Mai provinces in northern Thailand.