The limestone hills of Erawan National Park rise 165 to 996 meters above sea level. Many important streams flow from these hills. On the eastern side of the park, Mong Lai stream and Omtala stream join together above Erawan waterfall. Sadae stream flows through the north side of the park to Si- nakharindra dam. In the west, Nong Kop stream joins Sai Yok river, and these waters then flow through Sai Yok waterfall. Many small streams flow through the southern part of the park, including the Khao Phang stream which boosts the beautiful Khao Phang waterfall, also known as little Sai Yok waterfall.
Ta Duang Cave
From Kanchanaburi along the Si Nakharindra-Tham Phrathat route where Sai Yok district is 2 kilometers on the left side of the route, drive 2 kilometers along the branch road through the district and then make the right turn after passing the district at the first junction to a village nearby the river Khaeo where Tha Thung Na dam is behind this village, drive further on another 2 kilometers. On the unpaved road to a foothill of the Tha Thung Na vicinity where Ta Duang cave is situated. At the foothill, trek another 700 - 800 meters up to a very steep slope. Beware of the fallen rocks along the route. The main attraction of this cave is rock paintings in the form of trees and human figures. Evidence of human habitation, potteries and tools may be seen.
The 7 levels of this stunning waterfall drops 1,500 m. down steep-sided cliffs. It is surrounded by beautiful forest with many types of trees and orchids. There is a trail as far as the 6th level and from there you have to scramble up the cliff to reach the 7th level. The climb is well worth the effort, for the sight of tumbling water, spraying off the boulders into the deep pool below. This fall resembles the head of the Erawan Elephant-the 3-headed elephant from Hindu Mythology-which gives the whole waterfall its name.
Khao Hin Lan Pee Nature Trail
Long about 5 Kms. take time about 3 hours. deciduous ,dry evergreen and mix deciduous forest along the trail end at the 5 th tier of erawan waterfall.
The cave is a rather large with good aeration. The name ?Mi? derived from a local belief that the cave was once inhabited by wild bears. Inside the cave, there are 5 chambers with strange forms of stone, stalagmites and stalactites. Access to the cave can be made via a route starting from the Kanchanaburi to Tha Thung Na dam. Turn left towards Sai Yok district until the entrance to Thap Sila village is reached at Kilometer 10. Drive further for 500 meters on the dirt road to Thap Sila village and take Soi Samakkhi Tham 10 to Khlong Takhian. From here, walk another 7 kilometers on the logging track to the cave.
Mong Lai Dry evargreen Forest Nature Trail
The Mong Lai Nature Trail is slithering along the waterfall. Visitors will enjoy the serene foerest and 12 various interesting interpretation signs which will take about 50 minutes.
Pha Lun Waterfall
Pha Lan Waterfall is a one-level waterfall which has water only in rainy season.
is 12 kilometers from headquarters. At 720 meters above sea level, it is an impressive cave filled with beautiful stalactites and stalagmites, and limestone geology is clearly displayed on the walls. Many visitors come here to see this such beautiful sights of Erawan National Park.
The sister cave of Mi cave, starting from Soi Samakkhi Tham 10 for 100 - 200 meters across Khlong Takhian. Make the right-turn on a 200 - 300 meters drivable route, then park the car and walk for one kilometer to its entrance. Ruea cave is about 40-50 meters deep with no stalagmites or stalactites at all. Its attractions are the relics of the prehistoric people. Several coffins made from the whole trunk of an ancient tree look similar to boats and give the cave it?s gnficance. The upper part of the coffin was carved in image of human head with eyes, nose, and ears. Currently, the coffins are protected by the cave.
Wang Bahdan Cave
The cave is 54 kilometers. From the headquarters. The cave entrance is one kilometer. from Wang Badan Ranger Station, on a branch roadside, where it is 2 kilometers from the Kilometer 63 Junction of the main highway no. 323. Wang Badan is a large limestone cave with its narrowly accessible opening. Inside the cave, there are several separated chambers. Along the bottom of the chamber flow there is a permanent stream which is home for a variety of benthic fauna. Each chamber contains glittering stalactites and stalagmites such as Man Phra-in (Indra's curtain), and Khem Narai (Narai's needles) which looks similar to a very large-size sewing needle.