Major river is the origin of many northeast such as Lam Ta Kong river of fire. Lam Plai mat and flowing south into the River in the East River, Nakhon nayok and Hanuman Cycad.
The origin of the East several major rivers, such as Lumtakong was the fire to Faculty and flows to the south. A river in the east and the Nakhon Nayok River sandstones and cycads.
The source of several important river east lines such as, most Lam PRA plung Lam plai mat and flowing into the south, is a river in eastern region. Including the Nakhon Nayok, Hanuman and the prong.