Founded in 1975 as Thailands 12th National Park, it is covering an area of 550 sqkm located on West Thailand in the Tenasserim Hills of Kanchanaburi Province. It is one of the most famous national parks in Thailand.
81% of the park is mixed deciduous forests and the rest deciduous dipterocarp and dry evergreen forest. The park concists of limestone hills with elevetion between 165-996m above the sea level, plains and number of streams. The hills protects the park from eastern monsoon resulting in less rainfall in avarage.
The major attraction of the park is Erawan Falls with emerald green ponds, named after the three-headed white elephant of Hindu mythology. The top tier of the falls is said to resemble the elephant's head.
Erawan National Park is open for visitors all year. There are restaurants, facilities, bungalows and a campsite next to the HQ. The entrance fee is 200 baht for foreigners and costs additional 20 baht for a motorbike. The park is easily accessible by public busses from Kanchanaburi. Within the park, there are bicycles for rent for 20B per day.
Bare in mind that food is strictly forbidden beyond the 2nd tier of waterfalls. Visitors will have to pay a 20B fee per bottle of any drinks, the fee can be refunded when bottles are returned.