نهر تشاو فرايا
The Sakae Krang River (, , ) is a tributary of the Chao Phraya River. It originates in Mae Wong National Park, Nakhon Sawan Province. It is long, with most of its length in Uthai Thani Province. It joins the Chao Phraya River in Uthai Thani city near the Wat Tha Sung (Tha Sung Temple).