# Huai Nam Dang National Park

Huai Nam Dang National Park (Thai: อุทยานแห่งชาติห้วยน้ำดัง) is a national park in Thailand's Mae Hong Son and Chiang Mai Provinces. This mountainous park features scenic mountain viewpoints, waterfalls, and hot springs.

## Geography

Huai Nam Dang National Park is direct east of Pai in Pai District of Mae Hong Son Province and about 50 kilometres (30 mi) north of Chiang Mai in the Mae Taeng and Wiang Haeng Districts of Chiang Mai Province. The park's area is 1,252 square kilometres (483 sq mi). The highest point is Doi Chang peak at 1,962 metres (6,437 ft), the height ranges from 400 metres (1,300 ft) to 1,962 metres (6,437 ft). The park's streams are the source for rivers including the Pai and Taeng.

## Climate

The park is generally cool all year round, with average high temperature of 23 °C (73 °F) and average lowest temperature of 8 °C (46 °F). Rainy season is from May to September, average rainfall is 1,134 millimetres (44.6 in)/year with max.temperature of 24 °C (75 °F) and min.temperature of 10 °C (50 °F). Winter is from October to February with max.temperature of 20 °C (68 °F) and min.temperature of 2 °C (36 °F). Summer is from March to April with max.temperature of 28 °C (82 °F) and min.temperature of 12 °C (54 °F).

## History

A survey of the Huai Nam Dang area was set up in December 1987. Later on 14 August 1995 Hui Nam Dang National Park, covers Chiang Dao, Mae Taeng and Mai Pai forests, with an area of 782,575 rai ~ 1,252 square kilometres (483 sq mi) has been declared the 81st national park.

## Attractions

Doi Chang and Doi Kiew Lom mountains offer popular viewpoints of neighbouring mountains and a "sea of fog" effect on winter mornings. Park namesake waterfall, Huai Nam Dang, consists of four levels and is about 50 metres (160 ft) high and 40 metres (130 ft) wide. Mae Yen is another year-round waterfall. Park hot springs include Pong Dueat, consisting of three or four large pools, and Tha Pai in the Pai District section of the park.

## Flora

The park is home to numerous forest types, such as evergreen, deciduous and dipterocarp forest. Evergreen forest include:
* Ailanthus triphysa
* Palm tree
* Red pine
* Tenasserim pine
Deciduous forest include:
* Alphonsea glabrifolia
* Red cedar
Dipterocarp forest include:
* Lagerstroemia tomentosa
* Mai daeng
* Mangifera sp.
* Magnolia floribunda
* Phayom
* Pterocarpus macrocarpus
* Shorea siamensis
* Siamese sal
* Tabaek
* Takian
* Yang na

## Fauna

Mammel sorts include:
* Asian elephant
* Bear
* Gibbon
* Hedgehog
* Malayan porcupine
* Mongoose
* Monkey
* Palm civet
* Sambar deer
* Tiger
* Wild boar
Reptile sorts include:
* Asian leaf turtle
* Big-headed turtle
* Boa
* Cobra
* Green snake
Birds of which species of passerines include:
* Black occipital canary
* Bulbul
* Hill myna
* Richard's pipit
* Vernal hanging parrot
Species of non-passerines include:
* Fowl
* Hawk
* Pheasant
* Rufous-throated partridge
* Thick-billed green-pigeon

## Gallery

* Flowers and trees on the slopes
* Vegetation
* Panoramic view of the hills
* The morning scenery viewed from Doi Kio Lom Viewpoint
* Hill Pine Camp
* Pong Dueat Hot Springs
* Ailanthus triphysa
* Sambar deer

## Location

* Huai Nam Dang National Park in overview PARO 16 (Chiang Mai)
* 5) Huai Nam Dang National Park in overview PARO 16 (Chiang Mai)
* National park
* 1Doi Inthanon
* 2Doi Pha Hom Pok
* 3Doi Suthep–Pui
* 4Doi Wiang Pha
* 5Huai Nam Dang
* 6Khun Khan
* 7Mae Ping
* 8Mae Takhrai
* 9Mae Tho
* 10Mae Wang
* 11Namtok Bua Tong– Namphu Chet Si
* 12Op Khan
* 13Op Luang
* 14Pha Daeng
* 15Si Lanna
* Wildlife sanctuary
* 16Chiang Dao
* 17Mae Lao–Mae Sae
* 18Omkoi
* 19Samoeng
* Non-hunting area
* 20Doi Suthep
* 21Mae Lao–Mae Sae
* 22Nanthaburi
* 23Pa Ban Hong
* Forest park
* 24Doi Wiang Kaeo