The fourth National Park of the state, this National Park lies partly in Dibrugarh district and partly in Tinsukia district and covers an area of about 340 sq.km.

Of the seven parts of the park one part is wet land and the rest is mainly grassland and dense forest. The main attractions of Dibru-Saikhowa National Park are its semi-wild horse and White winged Wood- Duck. Other animals are Leopard, Clouded Leopard, Elephant, Sambar, Slow Loris, Indian wild water Buffalo, Capped Langur, Gangetic River Dolphin, Indian Wild Dog etc.
More than 250 varieties of local and migratory birds are also found in this Park.
The best season to visit is from November to March.