Kutai Kartanegara Regency (abbreviated as Kukar) is a regency of East Kalimantan province, Indonesia. It has an area of 27,263.10 km² (land) and water area of 4,097 km². The population of the regency was 626,286 at the 2010 Census. Tenggarong is the capital of the regency.
The location is about 58 kilometers or less than 45 minutes from the capital city, Balikpapan. Bukit Bangkirai is an 1,500-hectare natural tropical forest area with plants of Dipterocarpaceae family dominating, especially Bangkirai with 40–50 meters heights, so the location is called Bangkirai Hill or Bukit Bangkirai. With 123 bird species, Hylabates mueleri, Macaca nemestrina, Presbytus rubicunda, Macaca fascicularis, Susvittatus, Squiler, Corvus unicolor, Bukit Bangkirai has also endemic Black Orchid (Coelogyne pandurata) among 45 kinds of orchids. To see all of them we can use 64-meter long of canopy bridge which connects 5 big Bangkirai trees 30 meters from the ground.
East Kalimantan province has developed an 18-hectare plot of land for mangrove information and research center in Sepatin village, in Anggana district, as Bali has done. It will functioning as a research, exhibition, information, breeding as well as education center on mangroves, especially in the Mahakam Delta.