Rivers of Thailand

Basin Tapi

Phum Duang River

แม่น้ำพุมดวง

The main tributary of the Tapi River. It receives water from Khlong Saeng, site of the Ratchaprapha Dam (Chiew Larn).

Map of the Phum Duang River
The dark line is this river; the mid-blue lines are its named tributaries.

View on the 3D map

Key facts

Length
about 74 kmMeasured along the river on this map; official figures can differ with the method used
Source
Surat Thani province
Flows into
Tapi River, Surat Thani province
Basin
Tapi
Provinces (1)
Surat Thani
Tributaries on the map
Khlong Sok
Dams on the river
Ratchaprapha Dam

Phum Duang 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

StationLocationLevel (m MSL)Of bank-fullStatusMeasured
Tapi 2Phunphin District, Surat Thani0.4764%Normal29 Sep 2026, 19:30
Tapi 4Khiri Rat Nikhom District, Surat Thani4.4136%Normal29 Sep 2026, 19:30

Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes

Frequently asked questions

Which provinces does the Phum Duang River flow through?
The Phum Duang River flows through 1 provinces: Surat Thani.
How long is the Phum Duang River?
The Phum Duang River is about 74 km long, measured along the river on this map. Official figures can differ slightly with the method used.
Where does the Phum Duang River come from?
The Phum Duang River rises in Surat Thani province.
Which river does the Phum Duang River flow into?
The Phum Duang River flows into the Tapi River in Surat Thani province.
Which dams are on the Phum Duang River?
Dams on the Phum Duang River on this map: Ratchaprapha Dam.
What is the Phum Duang River water level today?
Of 2 gauging stations, 0 are over the bank and 0 have high water. Data as of 29 Sep 2026, 19:30.
What is the Phum Duang River called in Thai?
In Thai the Phum Duang River is แม่น้ำพุมดวง.

Other rivers in the Tapi basin

Tapi RiverKhlong Sok