Basin Chi
Chi River
แม่น้ำชี
Rises in the Phetchabun Mountains in Chaiyaphum province and flows through Khon Kaen, Maha Sarakham, Roi Et, Yasothon and Si Sa Ket. It joins the Mun River before reaching the city of Ubon Ratchathani. It is often described as the longest river that flows entirely within Thailand.
Key facts
- Length
- about 1,030 kmMeasured along the river on this map; official figures can differ with the method used
- Source
- Chaiyaphum province
- Flows into
- Mun River, Roi Et province
- Basin
- Chi
- Provinces (9)
- Chaiyaphum, Nakhon Ratchasima, Khon Kaen, Maha Sarakham, Kalasin, Roi Et, Yasothon, Ubon Ratchathani, Si Sa Ket
- Tributaries on the map
- Phong RiverPao RiverYang River
Chi River water level today
22 automatic gauging stations on this river, highest water relative to the bank first. As of 15 Nov 2026, 05:20
| Station | Location | Level (m MSL) | Of bank-full | Status | Measured |
|---|---|---|---|---|---|
| ประปายโสธร | Mueang Yasothon District, Yasothon | 124.58 | 88% | High | 14 Nov 2026, 18:00 |
| บ้านฟ้าหยาด | Maha Chana Chai District, Yasothon | 116.91 | 58% | Normal | 14 Nov 2026, 18:00 |
| บ้านแก่งโก | Mueang Chaiyaphum District, Chaiyaphum | 170.48 | 56% | Normal | 14 Nov 2026, 18:00 |
| บ้านค่าย | Noen Sa-nga District, Chaiyaphum | 181.74 | 55% | Normal | 14 Nov 2026, 18:00 |
| บ้านท่านางเลื่อน | Chonnabot District, Khon Kaen | 155.49 | 48% | Normal | 14 Nov 2026, 18:00 |
| บ้านกุดกว้าง | Mueang Khon Kaen District, Khon Kaen | 146.84 | 47% | Normal | 14 Nov 2026, 18:00 |
| Chi 11 | Khueang Nai District, Ubon Ratchathani | 110.61 | 47% | Normal | 15 Nov 2026, 05:20 |
| Chi 6 | Mueang Khon Kaen District, Khon Kaen | 146.69 | 45% | Normal | 15 Nov 2026, 05:20 |
| Chi 3 | Mueang Chaiyaphum District, Chaiyaphum | 180.66 | 43% | Normal | 15 Nov 2026, 05:20 |
| บ้านท่าสะแบง | Thung Khao Luang District, Roi Et | 125.09 | 42% | Normal | 14 Nov 2026, 18:00 |
| บ้านม่วงลาด | Changhan District, Roi Et | 131.67 | 42% | Normal | 14 Nov 2026, 18:00 |
| Chi 5 | Chonnabot District, Khon Kaen | 154.21 | 39% | Normal | 15 Nov 2026, 05:20 |
| Mun 9 | Mueang Surin District, Surin | 131.62 | 38% | Normal | 15 Nov 2026, 05:20 |
| บ้านเขื่องใน | Khueang Nai District, Ubon Ratchathani | 110.71 | 36% | Normal | 14 Nov 2026, 19:00 |
| บ้านโนนเชือก | Chatturat District, Chaiyaphum | 188.14 | 33% | Normal | 14 Nov 2026, 18:00 |
| Mueang Maha Sarakham | Mueang Maha Sarakham District, Maha Sarakham | 137.22 | 32% | Normal | 15 Nov 2026, 05:20 |
| บ้านธวัชดินแดง | Thawat Buri District, Roi Et | 125.14 | 31% | Normal | 14 Nov 2026, 18:00 |
| บ้านหลุมดิน | Chom Phra District, Surin | 123.05 | 27% | Low | 14 Nov 2026, 19:00 |
| บ้านดอนขนวน | Kosum Phisai District, Maha Sarakham | 140.94 | 27% | Low | 14 Nov 2026, 18:00 |
| บ้านดินดำ | Mueang Maha Sarakham District, Maha Sarakham | 137.42 | 24% | Low | 14 Nov 2026, 18:00 |
| Chi 1 | Ban Khwao District, Chaiyaphum | 200.23 | 19% | Low | 15 Nov 2026, 05:20 |
| บ้านหนองอ้อ | Ban Khwao District, Chaiyaphum | 198.98 | 13% | Low | 14 Nov 2026, 18:00 |
Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes
Frequently asked questions
- Which provinces does the Chi River flow through?
- The Chi River flows through 9 provinces: Chaiyaphum, Nakhon Ratchasima, Khon Kaen, Maha Sarakham, Kalasin, Roi Et, Yasothon, Ubon Ratchathani and Si Sa Ket.
- How long is the Chi River?
- The Chi River is about 1,030 km long, measured along the river on this map. Official figures can differ slightly with the method used.
- Where does the Chi River come from?
- The Chi River rises in Chaiyaphum province.
- Which river does the Chi River flow into?
- The Chi River flows into the Mun River in Roi Et province.
- What is the Chi River water level today?
- Of 22 gauging stations, 0 are over the bank and 1 have high water. Data as of 15 Nov 2026, 05:20.
- What is the Chi River called in Thai?
- In Thai the Chi River is แม่น้ำชี.