National Park SAI yok has an area of 500 sq km and is not as available as other parks of Thailand, including, Kanchanaburi province.

The entrance to the Park is surrounded by limestone caves with bat colonies, part of the famous Road of Death and the remnants of the Japanese ovens. On-site SAI yok are several sources of mineral drinking water.

Typically, a visit to the Park begins with a 10-foot cascading waterfall Nam Tok SAI yok Yai (or just SAI yok Yai). It flows into the river DOE Us Kwai Noi, near the suspension bridge. By the way, here filmed scenes of the Russian film “the deer Hunter” in 1978. Near the waterfall there is a small Buddhist temple and its impressive stalactites and stalagmites of the cave Dadong and Craze.

In the national Park SAI yok lives swinney bat (Craseonycteris Тhonglongyai), the smallest mammal on the planet! Its name derives from the name of its discoverer in 1973. Mouse weight is only 1, 5-2 grams, wingspan - 130-145 mm Areolas of its habitat is small: to see the unusual creature can only be in 21 the cave by the river Kwai Noi in Kanchanaburi province.

It is also home to deer, Gibbons, tigers, servals, Laurie, Malayan porcupines, crabs and hornbills. From time to time turn up at the Park to see wild elephants that come in search of food from neighbouring Myanmar (Burma).

Near the entrance to the national Park is a tourist market, where travelers can buy Souvenirs.