The Hollongapar Gibbon Sanctuary, formerly known as the Gibbon Wildlife Sanctuary or Hollongapar Reserve Forest is an isolated protected area of evergreen forest located in Jorhat district of Assam state of India. The sanctuary was officially constituted and renamed in 1997.

The Hollongapar Gibbon Sanctuary contains India's only gibbons - the non human ape – the Western Hoolock Gibbons, and Northeastern India's only nocturnal primate – the Bengal Slow Lori's. It also includes the existence of 5 other primates....with a large number of Butterfly species .

The upper canopy of the forest is dominated by the Hollong tree (Dipterocarpus macrocarpus), while the Nahar (Mesua ferrea) dominates the middle canopy. The lower canopy consists of evergreen shrubs and herbs.

This wild life sanctuary is a paradise for BUTTERFLY watchers. More than 290 different species of butterflies are found in this region of the forest. I have personally searched for them in a span of 4 years and 10 months and has listed 293....so far till August 2021.

Hope, You will really like to visit this particular sanctuary and trek into the Jungle with guards. A walk in a single route is about 5 to 6 kilometers and it took around 4 hours to go through. So, Please do come and visit this sanctuary once. For help...you can contact me....8011051882

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