Basin Mekong
Loei River
แม่น้ำเลย
Rises at Phu Luang in Loei province and flows north through Loei town into the Mekong River in Chiang Khan district.
Key facts
- Length
- about 245 kmMeasured along the river on this map; official figures can differ with the method used
- Source
- Loei province
- Flows into
- Mekong River, Loei province
- Basin
- Mekong
- Provinces (2)
- Loei, Phetchabun
Loei River water level today
5 automatic gauging stations on this river, highest water relative to the bank first. As of 29 Sep 2026, 21:50
| Station | Location | Level (m MSL) | Of bank-full | Status | Measured |
|---|---|---|---|---|---|
| Nam Loei Bridge | Chiang Khan District, Loei | 203.04 | 65% | Normal | 29 Sep 2026, 21:50 |
| บ้านนาหลัก | Wang Saphung District, Loei | 242.94 | 46% | Normal | 29 Sep 2026, 21:00 |
| Khong 2 | Mueang Loei District, Loei | 232.52 | 43% | Normal | 29 Sep 2026, 21:50 |
| Khong 1 | Wang Saphung District, Loei | 241.49 | 40% | Normal | 29 Sep 2026, 21:50 |
| บ้านแก่งบง | Phu Luang District, Loei | 260.89 | 32% | Normal | 29 Sep 2026, 21:00 |
Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes
Frequently asked questions
- Which provinces does the Loei River flow through?
- The Loei River flows through 2 provinces: Loei and Phetchabun.
- How long is the Loei River?
- The Loei River is about 245 km long, measured along the river on this map. Official figures can differ slightly with the method used.
- Where does the Loei River come from?
- The Loei River rises in Loei province.
- Which river does the Loei River flow into?
- The Loei River flows into the Mekong River in Loei province.
- What is the Loei River water level today?
- Of 5 gauging stations, 0 are over the bank and 0 have high water. Data as of 29 Sep 2026, 21:50.
- What is the Loei River called in Thai?
- In Thai the Loei River is แม่น้ำเลย.
Other rivers in the Mekong basin
Mekong RiverIng RiverKham RiverRuak RiverHueang RiverSongkhram RiverOon RiverKam River