Lopburi River
| Lopburi River | |
|---|---|
 Lopburi River in Lopburi downtown | |
| Origin | Chao Phraya River at Tambon Bang Phusta, Singburi |
| Mouth | Pa Sak River at Ayutthaya |
| Basin countries | Thailand |
| Length | 95 km (57 mi) |
The Lopburi River (Thai: แม่น้ำลพบุรี, rtgs: Maenam Lop Buri, Thai pronunciation: [mɛ̂ːnáːm lóp buriː]) is a tributary of the Chao Phraya River in central Thailand. It splits from the Chao Phraya river at Tambon Bang Phutsa, Singburi. Passing through Tha Wung district and the town of Lopburi, it enters the Chao Phraya together with the Pa Sak River at the town of Ayutthaya. It is about 95 kilometres (59 mi) long.
Coordinates: 14°52′38″N 100°24′40″E / 14.87722°N 100.41111°E