Basin Salween
Pai River
แม่น้ำปาย
Rises in Pai district and flows through Mae Hong Son town, then west to the Salween River in Myanmar.
Key facts
- Length
- about 160 kmMeasured along the river on this map; official figures can differ with the method used
- Source
- Mae Hong Son province
- Flows into
- Salween River, Mae Hong Son province
- Basin
- Salween
- Provinces (1)
- Mae Hong Son
- Tributaries on the map
- Mekong River
Pai River water level today
2 automatic gauging stations on this river, highest water relative to the bank first. As of 29 Sep 2026, 21:30
| Station | Location | Level (m MSL) | Of bank-full | Status | Measured |
|---|---|---|---|---|---|
| Pai 1 | Mueang Mae Hong Son District, Mae Hong Son | 201.25 | 24% | Low | 29 Sep 2026, 21:30 |
| บ้านท่าโป่งแดง | Mueang Mae Hong Son District, Mae Hong Son | 176.84 | – | No data | 29 Sep 2026, 12:00 |
Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes
Frequently asked questions
- Which provinces does the Pai River flow through?
- The Pai River flows through 1 provinces: Mae Hong Son.
- How long is the Pai River?
- The Pai River is about 160 km long, measured along the river on this map. Official figures can differ slightly with the method used.
- Where does the Pai River come from?
- The Pai River rises in Mae Hong Son province.
- Which river does the Pai River flow into?
- The Pai River flows into the Salween River in Mae Hong Son province.
- What is the Pai River water level today?
- Of 2 gauging stations, 0 are over the bank and 0 have high water. Data as of 29 Sep 2026, 21:30.
- What is the Pai River called in Thai?
- In Thai the Pai River is แม่น้ำปาย.