Hoollongapar Gibbon Sanctuary, also known as the Nameri–Hoollongapar Wildlife Sanctuary, is a pristine rainforest reserve located in Jorhat district of Assam, in the northeastern region of India. Situated about 18 km from Jorhat town and approximately 325 km from Guwahati, the sanctuary is a haven for wildlife enthusiasts and nature lovers. Spanning over 20 square kilometers, it is famous for being one of the few sanctuaries in India that houses the endangered Hoolock gibbons, India’s only ape species, along with diverse flora and fauna including hornbills, langurs, and various endemic bird species. Nestled amidst dense tropical forests, the sanctuary also offers trekking trails and eco-tourism experiences, making it an ideal destination for wildlife photography, bird watching, and immersive nature walks. Accessible via well-connected roads from Jorhat, Hoollongapar Gibbon Sanctuary is a must-visit for anyone exploring Assam’s rich biodiversity.