Na Yung-Nam Som National Park is the 3 patched-province area:Udonthani, Loei and Nongkhai, The topography condition is slope complex mountainous above 200-500 m from msl, the mountain with the highest peak is Phu Ya-u about 588 m. General forest condition is still maintain the abundance where it is the main source of the river and the stream, such as Huai Nam Som, Huai Tat
The monsoon, very hot weather in the summer about 40oC between March to May. Rainy season runs in June to October and a winter about 10-20oC, rain amount all year about 1,000-1,500
Flora and Fauna
Forest condition is dry dipterocarp forest, distribute along foothills and hill range. The main species are Shorea obtasa, S. siamensis, Dipterocarpus tuberculatus etc. Lower plants are Vietnamosasa pusilla, Curcuma sp. Down the valley is mixed deciduous forest, found Dalbergia oliveri, Xylia xylocarpa, Pterocarpus macrocarpus, Sindora siamensis, and various species of bamboo such as Gigantochloa albocilliata, Bambusa bambos, Dendrocalamus sp.. Along the riverside is dry evergreen forest, found Afzelia xylocarpa Anisoptera costata, , Dipterocarpus spp. Lagerstoemia spp., Hopea sp. etc. Lower plant found rattan, palm, herbs etc, while symbiosis species found orchid and fern.
Fauna found wild boar, common muntjac, macaque, langur,squirrel, clouded monitor, snakes and birds. For large sized wildlife found sambar deer, Indian elephant, Asiatic black bear but they were hunted seriously, also with remained wildlife was threaten and hunted by the people in the
Yung Thong Waterfall
Namtok Yung Thong far from National Park office about 500 m. Very beautiful in rainy season, flow from height slope cliff about 25 m. There is a large pound can play water. The past time it used to be a earned living and sanctuary of Green Peafowl (Nok Yung in Thai) and became the name of Yung Thong. Nowadays Green Peafowl was hunted and
Pha Daeng Scenery Viewpoint
Pha Daeng Scenery viewpoint far from National park office about 1,500 m. Fallow the Namtok Yung Thong sand stone slope cliff nature trail can see a large beautiful scenery
Namtok Yung Thong Nature Trail
Nature trail of Namtok Yung Thong is a on-foot trail for studying the nature of National Park. Interpretation method use description along the interval nature trail pass Namtok Yung Thong Namtok Tat Noi, Pha Daeng scenery point with beautiful Dry dipterocarp forest, back to National park office with total area 2,000 m
Than Thip Waterfall
Namtok Than Thip (or Namtok Tat Mok) is a waterfall in the boundary of Nongkhai Province close Khong
Na Yung - Nam Som National Park
Mu 2, Ban Sawang, Na Yung Sub-distrcit, Amphur Na Yung Udon Thani Thailand 41380
How to go?
From Udonthani Province follow to highway (Udonthani-Nongkhai) about 15 km then turn left pass Ban Phue district go to Nam Som district, 12 kms before to Nam Som district turn right at Ban Sam Liam then go to Na Yung district about 15 kms to Ban Sawang then turn right at the signboard of Na Yung- Nam Som National park, 2 kms to National park headquarters, total distance from Udonthani 110 kms.