This cave is located in the compound of Wat Tham Phra Phothisat, Tambon Thap Kwang, 32 kilometres from Saraburi town, 15 kilometres along Highway No. 2 (Mittraphap Road) to Nakhon Ratchasima and 11 kilometres along the access road following the road sign. The cave is situated in the middle of Khao Nam Phu. It houses a bas-relief Buddha image on the wall, a Lankan pagoda of the Dvaravati period as well as monumental stalactites and stalagmites. The cave is teeming with various kinds of trees. Tham Thammathat, Tham Lumphini, Tham Sangat Chedi and a stone garden can be seen in the area.