Chae Son National Park

Chae Son National Park (อุทยานแห่งชาติแจ้ซ้อน) is a national park in Lampang Province, Thailand. Home to the namesake Chae Son waterfall, the park is also host to caves and hot springs.

Geography
Chae Son National Park is located 75 km north of Lampang town in Mueang Pan and Chae Hom districts. The park's area is 480,000 rai ~ 768 km2. Park mountains form part of the Khun Tan Range and are an important water source for the surrounding area. In places the park reaches elevations of 2000 m.

History
Originally a Forest Park, on 28 July 1988 Chae Son was designated Thailand's 58th National Park.

Attractions
The park's main attraction is Chae Son Waterfall, a six-tiered waterfall 150 m in height. Mae Peak is a three-tiered waterfall 100 m in height. Other waterfalls include Mae Koon, also 100 m, and Mae Mawn.

Chae Son hot spring is an area of sulfurous pools from nine boreholes emitting waters at temperatures around 73 C. The park also has numerous cave systems including Pha-ngam, Mor, Luang and Loug Kae.

Flora and fauna
The park's forests are mixed deciduous and deciduous dipterocarp. Tree species include Afzelia xylocarpa, Chukrasia velutina, Toona ciliata, Diospyros, Lagerstroemia calyculata, Dipterocarpus alatus, Dipterocarpus obtusifolius, Pinus latteri, Pinus kesiya, Pterocarpus macrocarpus, Shorea obtusa and Shorea siamensis.

Animals in the park include Phayre's leaf monkey, sambar deer, Asian golden cat, Southwest China serow, northern red muntjac (Muntiacus muntjak vaginalis), chevrotain, Siamese hare, Sunda flying lemur, Malayan porcupine, Finlayson's squirrel, wild boar and northern treeshrew.

Bird life in Chae Son includes white-rumped shama, red junglefowl, woodpecker, bulbul, barbet, tailorbird, green pigeon, warbler, babbler and dove.