Phu Chong–Na Yoi National Park

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Phu Chong-Na Yoi National Park
IUCN category II (national park)
Huayluang waterfall 02.jpg
Huai Luang Waterfall
Map showing the location of Phu Chong-Na Yoi National Park
Map showing the location of Phu Chong-Na Yoi National Park
Location within Thailand
LocationUbon Ratchathani Province, Thailand
Nearest cityUbon Ratchathani
Coordinates14°32′0″N 105°23′9″E / 14.53333°N 105.38583°E / 14.53333; 105.38583Coordinates: 14°32′0″N 105°23′9″E / 14.53333°N 105.38583°E / 14.53333; 105.38583
Area686 km²
Governing bodyNational Park, Wildlife and Plant Conservation Department

Phu Chong–Na Yoi National Park is a protected area at the eastern end of the Dângrêk Mountains, northeastern Thailand.[1] It is in Buntharik, Na Chaluai, and Nam Yuen districts of Ubon Ratchathani Province.[2] Established in 1987, it is an IUCN Category II protected area, measuring 686 square kilometres (265 sq mi).[3] In a mountainous area, the park borders Laos and Cambodia. Natural features include the cliffs at Pha Phueng, and the 40 metres (130 ft) Bak Teo Yai Waterfall. In 2004, a specimen of a new frog species, Fejervarya triora, was discovered in the park.[4]


  • Namtok Huai Luang or Namtok Bak Teo (น้ำตกห้วยหลวง หรือ น้ำตกบักเตว) - Plunging down three steps from an elevation of 30 metres, the waterfall has a small pool with a white beach and turquoise coloured water.
  • Phlan Yao Rock Garden (สวนหินพลานยาว) - Rocks in different formations are scattered around the area.
  • Pha Phueng Viewpoint (จุดชมทิวทัศน์ผาผึ้ง) - The viewpoint is next to the rock garden.
  • Namtok Koeng Mae Phong (น้ำตกเกิ้งแม่พอง) - The waterfall is 9 km (5.6 mi) south of Namtok Huai Luang along the nature trail. It originates from the Lam Dom Noi Stream.
  • Kaeng Sila Thip (แก่งศิลาทิพย์) - Huai Luang Stream runs over a rock terrace and turns fierce in the rapids. In the middle of the stream, its power has created lots of holes on the rock surface in different sizes and depths called "kumphalak".
  • Phlan Kong Kwian (พลาญกงเกวียน) - The vast rock terrace with rock shelters at the front is home to wild flowers and plants. In previous days, travellers could seek shelter here. It came to be called "phlan kong kwian", which means "cart terrace".
  • Phu Hin Dang (ภูหินด่าง) - a cliff-top place to view the forest scenery of Laos and Cambodia. The cliff is brightly coloured. Geologists explain that this is due to dry weather millions of years ago catalyzing mineral residues in the seawater.


  1. ^ "Phu Chong Na Yoi National Park". Department of National Parks (DNP) Thailand. Archived from the original on 17 November 2015. Retrieved 16 November 2015.
  2. ^ Spooner, Andrew; Borrowman, Hana; Baldwin, William (February 1, 2007). Footprint Thailand. Footprint Travel Guides. pp. 704–. ISBN 978-1-904777-94-6. Retrieved October 1, 2011.
  3. ^ IUCN Commission on National Parks and Protected Areas; International Union for Conservation of Nature and Natural Resources (1992). Protected Areas of the World: Indomalaya, Oceania, Australia and Antarctic. IUCN. p. 149. Retrieved October 1, 2011.
  4. ^ Stuart, Bryan L.; Chuaynkern, Yodchaiy; Chan-ard, Tanya; Inger, Robert F. (2006). "Three new species of frogs and a new tadpole from Eastern Thailand". Fieldiana Zoology. 111: 11. doi:10.3158/0015-0754(2006)187[1:TNSOFA]2.0.CO;2. Retrieved June 13, 2017.

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