Huai Sak railway station is a railway station located in Sai Thong Subdistrict, Bang Saphan Noi District, Prachuap Khiri Khan. It is a class 3 railway station located 399.929 km (248.5 mi) from Thon Buri railway station.

• Ordinary 254/255 Lang Suan-Thon Buri-Lang Suan

• Ichirō, Kakizaki (2010). Ōkoku no tetsuro: tai tetsudō no rekishi. Kyōto: Kyōtodaigakugakujutsushuppankai. ISBN 978-4-87698-848-8.
• Otohiro, Watanabe (2013). Tai kokutetsu yonsenkiro no tabi: shasō fūkei kanzen kiroku. Tōkyō: Bungeisha. ISBN 978-4-286-13041-5.

11°01′51″N 99°24′55″E / 11.0309°N 99.4152°E / 11.0309; 99.4152