Khao Chum Thong Junction railway station is a railway station located in Khuan Koei Subdistrict, Ron Phibun District, Nakhon Si Thammarat. The station is a class 2 railway station, located 781.018 km (485.3 mi) from Thon Buri railway station. This station is the junction for the Southern Line mainline and the Nakhon Si Thammarat Branch Line.