Khlong NGU National Park is located at thong PHA phum District, Kanchanaburi province. The creek flows with winding and intricate stalk eroded limestone mountains forest on cliffs To become hollow cavern in many places.It became a stalagmite and stalactite sculptures of beautiful nature. has a cave streams within national parks, many of which have access to explore the beauty such as monolithic cave,Swallow Cave, cave waterfalls and caves, etc. each cave is the cave with the beautiful and wonderful.