The Sankamphaeng Range, also Sankambeng Range or Sungumpang Range (Thai: ทิวเขาสันกำแพง, rtgs: Thio Khao San Kamphaeng, Thai pronunciation: [tʰiw kʰǎw sǎn kampʰɛːŋ]) is one of the mountain ranges separating eastern Thailand from the northeast or Isan. It is in Nakhon Nayok, Prachinburi, Sa Kaeo, Saraburi, and Nakhon Ratchasima Provinces, Thailand.