- Dehing Patkai National Park is located in the Dibrugarh and Tinsukia districts of Assam, India.
- It is situated within the larger Dehing Patkai Elephant Reserve, which spreads across the coal- and oil-rich districts of Upper Assam (Dibrugarh and Tinsukia districts).
- The oldest refinery of Asia in Digboi and ‘open cast’ coal mining at Lido are located near the national park.
- In 1924, the area was initially designated as a Reserved Forest under the British Raj.
- In 2004, the area was officially declared the Dehing Patkai Wildlife Sanctuary.
- On 13 December 2020, Government of Assam upgraded it into a national park.
- On 9 June 2021, Forest Department of Assam officially notified it as a national park.
- Area: It covers an area of approximately 231.65 km2 (89.44 sq mi).
- Hills: The park is situated in the Patkai hills region.
- River: Dehing river flows through the southern part of the park.
- Tribe: The park is home to several indigenous communities or tribes who have been living in the region for generations.
- Tai Phake
- Khamti
- Singpho
- Flora: Dipterocarp Trees, Canopy Trees (Hollong, Sam, Nahor, and Simul), Orchids (Lady’s Slipper Orchid and the Vanda spathulata), Ferns and Mosses etc.
- Fauna: Bengal Tiger, Clouded Leopard, Asian Elephant, Hoolock Gibbon, Chinese Pangolin, Dhole or Asian Wild Dog, Himalayan Black Bear, Malayan Sun Bear, Stump-tailed Macaque, Asian Golden Cat, Marbled Cat, Malayan Giant Squirrels, White Winged Wood Duck, White-cheeked Hill Partridge, Kaleej Pheasant, Monocled Cobra, Reticulated Python, Green Pit Viper etc.
- Dehing Patkai National Park is the only place in India which is home to seven different species of wild cats – tiger, leopard, clouded leopard, leopard cat, golden cat, jungle cat and marbled cat.