The Chae Son National Park is a rich mountainous forest located in the northeast of Lumpang province. It is situated in the districts of Muang Bahn and Jae hom and covers an area of about 592 square km.
The forest and mountains provide an important water source for the surrounding area. The Park has many interesting features including, waterfalls, caves and its famous hot springs. Along with many species of fauna and flora. All of this makes Chae Son National Park, an important place for tourism within Lumpang Province.
Before becoming the National Park it was a Forest Park which had two names Eang Nam Oun and Jae Sawn Waterfall The latter naming it after one of the Parks Waterfalls. Ministers approved the promotion of tourism in Lumpang province and the go ahead was given to convert Chae Son Waterfall into a National Park.
The preparations were made from May 1986 to December 1987 for the celebration of the Kings 60th birthday at Jae Sawn Waterfall on the 5th December 1987.
The Park was officially surveyed by Royal Forest Department staff soon after this and led to a decision by the board of directors, which in turn led to the Royal Decree that officially turned Jae Sawn into a National Park on 28th July 1988, becoming Thailand’s 58th National Park.
Chae Son is a mountainous Park comprising of Pee Pan Nam western mountain range which runs on a north south axis. This mountain range forms the border between the provinces of Lumpang and Chiang Mai. The tallest mountain on this range is Doi (Mt.) Langgar the third tallest in Thailand.
Chae Son Hot Spring
The hot spring provides an interesting feature. There are 9 boreholes emiting the hot water from deep in the earth. The area is covered with many small rocks and you will notice the strange smell of sulphur in the air. The water emerges at a temperature of 73 degrees Celsius. This enable you to boil an egg in it in about 17 minutes, if you wish.