Pha Taem National Park (Thai:อุทยานแห่งชาติผาแต้ม) is a national park in the Ubon Ratchathani province of Isan, Thailand. It is notable for its Dipterocarp forest cover and for extensive rock art on cliffs above the Mekong river. The art is estimated to be 3000 years old. The park also has several examples of Mushroom rocks as well as the largest flower field in Thailand.[2]