Tham Than Lot National Park
Announced on 12 February 1980 as a national park, it is also called Chaloem Rattanakosin National Park. This 54-square-kilometre park embraces pristine forest, waterfalls, and several caves including include Than Lot Noi Cave and Than Lot Yai Cave, which are accessible through a 2.5-kilometer nature trail along the stream. The two caves are naturally decorated with spectacular stalactites and stalagmites one of which is the worlds tallest stalagmite pillar. The ideal time of the year to visit the caves is from February to April. It is recommended that you request the services of a park ranger as your guide.
Outside of the caves are several species of birds and the barking tree frog whose croak sounds very much like a barking puppy. Admission fee is 200 baht. Bungalow accommodations and camping facilities are available.
The park has two forest trekking routes:
Route 1: Start from Tham Than Lot Noi to Tham Than Lot Yai. Tham Than Lot Noi contains stalagmites and stalactites. The creek ‘Lum Kraphroi’ flows inside the cave. After passing through Tham Than Lot Noi, go on foot about 1.5 km. to Namtok Trai Trueng and walk on for 1 km. to Tham Than Lot Yai. The total distance is 2.5 km.
Route 2: Forest trekking route to Namtok Than Ngoen and Namtok Than Thong, about 1.8 km. long.
Namtok Than Ngoen It is a small waterfall with 7 levels and takes about 35 minutes to travel from the park office to the first level. Another waterfall called Namtok Than Thong is a massive waterfall with 15 levels and takes 25 minutes leaving the park office to its first level.
To get there, Chaloem Rattanakosin National Park is 97 km. from the provincial city. When getting to Kanchanaburi, drive on about 7 km. then turn right and take the route Kanchanaburi-Thung Masang for about 23 km. Turn into Highway 3086 passing Amphoe Bo Phloi to get to King Amphoe Nong Prue. Hire a Song Thaeo at Nong Prue Market to the park. Admission fee is Bt200 for adults and Bt100 for children. Accommodation and camping ground are available. For more information, please contact the National Park Office; National Park, Wildlife and Plant Conservation Department, Bangkok, Tel. 0 2562 0760 or www.dnp.go.th.