was listed on ASEAN Heritage Park. Topography The altitude of this park varies from 570 m (in valley of Ba River to 1,748 m (Kon Ka Kinh peak). Streams from the eastern part of the park are a water source for the Ba River, a twisted river running north–south until it meets the confluence A Yun River and then changes its direction to northwest–southeast before emptying into the South China Sea in Tuy Hòa city; while to the west of the river lie distributaries of the Mekong river. Owing to the sloping topography, rivers in this park are short, run fast, and create many waterfalls. Kon Ka Kinh National Park contains 33,565 ha of natural forest, accounting for 80% of the total national park area. It is home to a variety of montane habitat types. There are about 20 square kilometres of broad leaf and needle leaf trees, primarily Pomu (Fokienia hodginsii). Biological diversity Flora Due to the characteristics of its topography, climate, soil conditions, and other factors, this park contains a great deal of biodiversity. It is home to: Flora typical to North Vietnam: Fabaceae, Euphorbiaceae, Magnoliaceae, Moraceae, Annonaceae, Lauraceae, Fagaceae ...etc. These families contrentrate in areas influenced by wet tropical rain. In these area, tree density is high and dominant species are not typical. Species native to Yunnan – Guizhou and foot of Himalaya includes: needle leaf of gymnosperm such as (Podocarpus imbricatus), (Dacrydium pierrei), (Nageia wallichiana), (Fokienia hodginsii) ...etc. Species native to Malaysia-Indonesia: Dipterocarpaceae such as (Anogeissus acuminata), (Parashorea stellata), (Parashorea chinensis)...etc. Species native to India-Myanmar: Typical species include: Combretaceae such as (Terminalia bellirica) or Lythraceae such as (Lagerstroemia tomentosa) v.v. According to the survey results, Kon Ka Kinh National Park contained 687 flora species of 459 genus and 140 families, of which the class of Magnoliopsida is dominant (104 families, 337 genus, 528 species). Second domination is Liliopsida (15 families, 82 genus, 111 species). Other division of Pteridophyta includes 16 families, 32 genus and 40 species. Gymnosperm includes 5 families, 8 genus, 8 species. Kon Ka Kinh is home to several endangered and preserved endemic species, such as: 11 endemic species: (Pinus dalatensis), hoa khế, (Afzelia xylocarpa), (Dalbergia annamensis), (Dialium cochinchinense), (Alchornea annamica), du moóc, (Calamus poilanei), lọng hiệp, (Dendrobium bellatulum). Flora in this park includes 24 precious and rare species, valuable for genetic preservation and scientific research and were listed in Vietnam Endangered Red Book