Kaeng Tana National Park located in an area of Khong Chiam district, Ubon Ratchathani province. The general landscape is highland with small hill, and is passed by Moon and Khong rivers. There are many under water caves so lots of fish are living here. In the middle of Khong river there is a large rock as an island. Kaeng Tana National Park covers the area of 80 km2. It was declared a national park on the King''s multifarious duties, volume 98 section 115, on the 13th July B.E. 2524 (1981) as the 31st national park of Thailand.

Topography
The park is highland and is passed by Moon and Khong rivers. The average high is about 200 meters above sea level. The highest peak-Ban Tad peak stands at 543 meters

Climate
It is monsoonal area so it is not too hot in summer and it is not too cold in cool season. But it is rain abundantly in rainy season that made people like to visit here in connecting period of rainy and cool season because the weather is comfortably pleasant.

Flora and Fauna
The park is covered by deciduous forest, which has dwarf Shorea obtusa, Shorea siamensis, Dipterocarpus obtusifollus. Beside, there are some dry evergreen forests around Huay (Stream) and Don (prominence) Tana. Main plants are Eugenia cumini, Pterocarpus macrocarpus, Xylia kerril, teak, grassland and bamboo. The wildlife are wild pig, barking deer, civet, macaque, gibbon, birds and fishes.