Basin Pa Sak
Lop Buri River
แม่น้ำลพบุรี
A river that branches off the Chao Phraya River in Sing Buri province and flows through Lopburi province. It then meets the Chao Phraya River and the Pa Sak River around the island city of Ayutthaya.
Key facts
- Length
- about 97 kmMeasured along the river on this map; official figures can differ with the method used
- Source
- Sing Buri province
- Flows into
- Pa Sak River, Phra Nakhon Si Ayutthaya province
- Basin
- Pa Sak
- Provinces (3)
- Sing Buri, Lopburi, Phra Nakhon Si Ayutthaya
Lop Buri River water level today
2 automatic gauging stations on this river, highest water relative to the bank first. As of 29 Sep 2026, 19:30
| Station | Location | Level (m MSL) | Of bank-full | Status | Measured |
|---|---|---|---|---|---|
| Lop Buri 1 | Bang Pahan District, Phra Nakhon Si Ayutthaya | 5.08 | 104% | Over the bank | 29 Sep 2026, 19:30 |
| Lop Buri 2 | Mueang Lop Buri District, Lop Buri | 6.29 | 97% | High | 29 Sep 2026, 19:30 |
Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes
Frequently asked questions
- Which provinces does the Lop Buri River flow through?
- The Lop Buri River flows through 3 provinces: Sing Buri, Lopburi and Phra Nakhon Si Ayutthaya.
- How long is the Lop Buri River?
- The Lop Buri River is about 97 km long, measured along the river on this map. Official figures can differ slightly with the method used.
- Where does the Lop Buri River come from?
- The Lop Buri River rises in Sing Buri province.
- Which river does the Lop Buri River flow into?
- The Lop Buri River flows into the Pa Sak River in Phra Nakhon Si Ayutthaya province.
- What is the Lop Buri River water level today?
- Of 2 gauging stations, 1 are over the bank and 1 have high water. Data as of 29 Sep 2026, 19:30.
- What is the Lop Buri River called in Thai?
- In Thai the Lop Buri River is แม่น้ำลพบุรี.