The IBA boundary follows that of the original Yok Don National Park, and does not include the recent extensions that were approved in 2001. Yok Don is situated on the low plateau that covers northern Dak Lak and southern Gia Lai provinces in the Central Highlands. The topography of most of the site is flat, at an elevation of around 200 m. Mount Yok Don is the highest point in the IBA. The Srepok river is the only permanent flowing watercourse at the site. Almost 100% of the site area is under forest cover. The majority of the forest is dry dipterocarp forest, with smaller areas of semi-deciduous and evergreen forest. The canopy of the dry dipterocarp forest is open, and the trees have thick, fire-resistant bark.
Yok Don is one of the few established protected areas in Vietnam to support a significant population of the globally threatened Green Peafowl Pavo muticus.
Non-bird biodiversity: Brickle et al. (1998) recorded two threatened primate species at Yok Don: Rhesus Macaque Macaca mulatta and Stump-tailed Macaque Macaca arctoides. The latter species was also recorded by Eames and Nguyen Tu (in prep.). 'Silvered' Leaf Monkey Trachypithecus villosus has also been recorded at the site (Le Xuan Canh et al. 1997).Duckworth and Hedges (1998) report the occurrence of Asian Elephant Elephas maximus, Gaur Bos gaurus and Banteng B. javanicus at Yok Don.
BirdLife International (2019) Important Bird Areas factsheet: Yok Don. Downloaded from http://www.birdlife.org on 17/11/2019.