The Pa Sak River, which runs through the area of Kaeng Khoi district, offers beautiful scenery of forests and mountains along the river, hills and high cliffs, which have animal shapes. Boat trips are operated by some riverside resorts such as the Suphalai Pasak Resort tel. 0-3630-6270-2 and Bangkok 0-2260-2223-6. 

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. 

This cave is accessed via 2 routes: Drive for 12 kilometres from the town along Mittraphap Road and turn left to Kaeng Khoi district through the market and 8 kilometres over the Adireksan Bridge (which was built over Pa Sak River). Alternatively, drive for 15 kilometres from the town along Highway No. 1 (Lop Buri route) to Phu Khae Witthaya School and then drive for 10 kilometres from the Phu Khae-Kaeng Khoi Road (opposite the Phu Khae Witthaya School).