Wiang Kosai is the first national park in Phrae province. It covers Phrae and Lampang provinces and is crossed over by Phee Pan Nam mountain range. The park covers an area of about 410 square kilometers. The park was declared a national park (the 35th in Thailand) on 09 October 1981.
The landscape of Prae is of high steep mountains covered with dry evergreen forest and mixed deciduous forests. These forests are the sources of many important rivers including Mae Koeng, Mae Jork and Mae Paak. Wildlife includes elephant and deer. Large number of the wildlife have been wiped out due to hunting. Nowadays there are only small number of animals surviving in the area.
Tourist attractions Mae Koeng Luang and Mae Koeng Noi waterfalls: They are beautiful cascading waterfalls composed of 5 stages like stairs. The local words "Mae Koeng" means stairs. Besides these two, there are several beautiful falls in the park.
Mae Jork hot spring: This is next to Mae Jork school in Mae Pak sub-district of Wang Chin district in Prae province. The beautiful hot spring (temperature is about 80ºC) is coming up from under ground.
Accommodations and facilities There is a campground but without equipment for rent. There are also a grocery store and public telephones there.
Contact address Wiang Kosai national park
P.O.Box 1, Wang Chin, Phrae 54160
Tel. 01-224 0779