Rivers of Thailand

Basin Tha Chin

Tha Chin River

แม่น้ำท่าจีน

Branches off the Chao Phraya River in Chai Nat province and flows through Suphan Buri, Nakhon Pathom and Samut Sakhon to the Gulf of Thailand. It has several names along its course, such as the Makham Thao River, the Suphan Buri River and the Nakhon Chai Si River.

Map of the Tha Chin RiverKanchanaburiLop BuriAyutthayaPathum ThaniSaraburiNonthaburiRatchaburiSamut PrakanChon BuriBangkok
The dark line is this river; the mid-blue lines are its named tributaries.

Key facts

Length
about 325 kmMeasured along the river on this map; official figures can differ with the method used
Source
Chai Nat province
Flows into
Gulf of Thailand, Samut Sakhon province
Provinces (4)
Chai Nat, Suphan Buri, Nakhon Pathom, Samut Sakhon

Tha Chin River water level today

10 automatic gauging stations on this river, highest water relative to the bank first. As of 29 Sep 2026, 19:50

StationLocationLevel (m MSL)Of bank-fullStatusMeasured
Tha Chedi Temple (TTC06)Song Phi Nong District, Suphan Buri3.16124%Over the bank29 Sep 2026, 19:50
บ้านบางการ้องSong Phi Nong District, Suphan Buri3.32113%Over the bank29 Sep 2026, 19:00
วัดบางไผ่นารถBang Len District, Nakhon Pathom2.57110%Over the bank29 Sep 2026, 19:00
ที่ว่าการอ.นครชัยศรีNakhon Chai Si District, Nakhon Pathom2.25107%Over the bank29 Sep 2026, 19:00
Tha Chin 7Bang Len District, Nakhon Pathom2.78106%Over the bank29 Sep 2026, 19:50
ร.ร.บ้านสามพรานSam Phran District, Nakhon Pathom1.72102%Over the bank29 Sep 2026, 19:00
Nakhon Chai Si BridgeNakhon Chai Si District, Nakhon Pathom2.05101%Over the bank29 Sep 2026, 19:50
Tha Chin 4Sam Chuk District, Suphan Buri7.98101%Over the bank29 Sep 2026, 19:50
Tha Chin 9Mueang Samut Sakhon District, Samut Sakhon1.1291%High29 Sep 2026, 19:50
Tha Chin 1Mueang Chai Nat District, Chai Nat17.7582%High29 Sep 2026, 19:50

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

Frequently asked questions

Which provinces does the Tha Chin River flow through?
The Tha Chin River flows through 4 provinces: Chai Nat, Suphan Buri, Nakhon Pathom and Samut Sakhon.
How long is the Tha Chin River?
The Tha Chin River is about 325 km long, measured along the river on this map. Official figures can differ slightly with the method used.
Where does the Tha Chin River come from?
The Tha Chin River rises in Chai Nat province.
Where does the Tha Chin River reach the sea?
The Tha Chin River flows into the Gulf of Thailand in Samut Sakhon province.
What is the Tha Chin River water level today?
Of 10 gauging stations, 8 are over the bank and 2 have high water. Data as of 29 Sep 2026, 19:50.
What is the Tha Chin River called in Thai?
In Thai the Tha Chin River is แม่น้ำท่าจีน.