Semuliki National Park is a national park in Bwamba County, a remote part of the Bundibugyo District in the Western Region of Uganda that was established in October 1993. It encompasses 219 km² (85 sq mi) of East Africa's only lowland tropical rainforest. It is one of the richest areas of floral and faunal biodiversity in Africa, with bird and butterfly species being especially diverse. The park is managed by the Uganda Wildlife Authority.