The Gibbon Wildlife Sanctuary is now known as the Hollongapar Gibbon wildlife sanctuary or Hollongapar Reserve Forest. This sanctuary was declared as a reserve in the year 1881. This is located near the town of Jorhat. This wildlife sanctuary is surrounded from all sides by tea plantations and tea gardens. The sanctuary is spread in an area of 30 acres. The sanctuary is quite prominent for the population of the hoolock gibbon. This place has the only Hoolock Gibbons in the whole of India. This is much of an isolated wildlife forest near Jorhat.
The forest is surrounded by tea gardens and spreads on 30 acres of land. The sanctuary is located on the south bank of River Brahmaputra. The park was essentially created for the protection of the species of apes, which are more commonly referred to as hoolock gibbons and there are as many as 40 species of the hoolock gibbons.
Besides the Hoolock gibbons one can even spot a few stump-tailed macaques, elephant, Chinese Pangolin, Leopard, Slow Loris, Assamese macaque, capped langur, pigtail macaque, rhesus macaque and elephant, leopard, Malayan giant squirrel and the Assamese macaques. The best time to visit this sanctuary is from October to February.