Sai Yok National Park
The park covers approximately 300-square-kilometers and contains several interesting caves and the nations famous Sai Yok Yai waterfall. The park has dense forests, including majestic teak trees and an abundance of small mammals such as squirrels, bats and deer, as well as numerous bird species. IN addition, the park is home to what is probably the smallest mammal in the world, the two-grammed Kittis Hog-nosed Bat, which was first discovered in 1973 by a Thai naturalist. The park is 104 kilometers from Kanchanaburi via Highway No. 323 and can also be reached by chartered boat from the Pak Saeng Pier. The park is very popular during the weekends. Bungalow accommodations, river rafts, camping facilities, and a daytime food market are available.
Sai Yok Yai Waterfall (Namtok Sai Yok Yai), which is located 104 kilometers from the town, flows directly into Khwae Noi River. Its idyllic beauty has been repeatedly celebrated in Thai poetry and songs. A rope bridge enables people to cross the river to view the waterfall. Rafts are available for a river trip along the riverbank but advance booking is recommended.
Lawa Cave and Daowadung Cave are two caves, which house numerous stalactites and stalagmites. Of the two caves, the Daowadueng Cave, which entails a river trip and 1-kilometer walk, is the more popular cave.
Tham Wang Badan or Tham Sawan Wang Badan, located within the area of Erawan National Park at Tambon Tha Sao, Amphoe Sai Yok, some 63 km. from the province. It is accessible from behind Namtok Sai Yok Noi where there is a direction sign of 3 km. to the national park’s safeguard unit, a location of the upstream of Namtok Sai Yok. Another 1,500–metre walk from the safeguard unit will lead to the cave with nature interpretation signs along the way. Tham Wang Badan is a small but deep cave of 500 metres long. It is a 2-storeyed limestone cave with a small hole at the mouth to be entered one by one. Its upper storey houses various chambers of beautiful stalagmites and stalactites of different shapes. The lower storey contains a stream to look like a tunnel of water under a large boulder.
Sai Yok Noi Waterfall (Namtok Sai Yok Noi) is also dubbed as Khao Phang Waterfall. It is situated 60 kilometers from town via Highway No. 323. The place is best visited between July and September.
To get to Sai Yok Noi Waterfall:non air-conditioned buses leave Kanchanaburi Bus Station every 30 minutes from 6 a.m. until 6.30 p.m. The journey takes 2 hours and costs 25 baht.
Alternatively, visitors can take a train from Kanchanaburi to Namtok Station and continue on foot or by local transport to the waterfall, which is 2 kilometers away. Trains depart from Kanchanaburi at 6.11 a.m., 11 a.m. and 4.37 p.m. and return from Namtok Station at 5.25 a.m. 1 p.m. and 3.15 p.m. The one-way rail trip takes about 2 hours and costs 17 baht. (Please check the current schedule from TAT Kanchanaburi or the railway station before departure.)