Bueng Boraphet is the largest freshwater swamp and lake in central Thailand. It covers an area of 224 km2 east of Nakhon Sawan, south of the Nan River close to its confluence with the Ping River.
Bueng Boraphet Railway bridge is a one-span railway bridge in Thailand. It is situated in Nakhon Sawan Province on the Northern Line Railway, near Bueng Boraphet. There are only one span, length 40 metres.