Lam Sonthi (, ) is a tributary of the
Pa Sak River
The Pa Sak River ( th, แม่น้ำป่าสัก, , Pronunciation is a river in central Thailand. The river originates in the Phetchabun Mountains, Dan Sai District, Loei Province, and passes through Phetchabun Province as the back ...
. It originates at the Ruak and Phanghoei mountains in the border area of
Lam Sonthi district,
Lopburi province and
Si Thep,
Phetchabun province
Phetchabun ( th, เพชรบูรณ์, ) is one of Thailand's seventy-six provinces (''changwat'') lies in lower northern Thailand. Neighbouring provinces are (from north clockwise) Loei, Khon Kaen, Chaiyaphum, Lopburi, Nakhon Sawan, P ...
. The river flows southward as the backbone of Lam Sonthi district and joins with the
Lam Phaya Klang from
Muak Lek district,
Saraburi province. Then the watercourse flows ahead to west and tributes the Pa Sak River in
Chai Badan. It is long.
References
Sonthi
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