- Dudhwa Tiger Reserve is located in Lakhimpur Kheri and Bahraich districts of Uttar Pradesh, India.
- It is situated in the Terai region of the Himalayan foothills, near the Indo-Nepal border.
- The tiger reserve includes the Dudhwa National Park, and two nearby Sanctuaries, viz. Kishanpur and Katarniaghat, besides forest areas of North Kheri, South Kheri and Shahjahanpur forest divisions in its buffer.
- In 1965, Dudhwa area was established as a wildlife sanctuary to protect the swamp deer (barasingha) population in the region.
- In 1977, Dudhwa Wildlife Sanctuary was declared a national park.
- In 1987, Dudhwa National Park and the Kishanpur Wildlife Sanctuary was together declared a tiger reserve under Project Tiger.
- In 2000, the Katarniaghat Wildlife Sanctuary was added in Dudhwa Tiger Reserve.
- Area: The tiger reserve is spread across an area of about 1093.79 sq.km.
- Core: 1093.79 sq.km.
- Buffer: 1107.9848 sq.km.
- Total: 2201.7748 sq.km.
- River: The Dudhwa Tiger Reserve is traversed by several rivers, which include:
- Sharda
- Suheli
- Mohana
- Joraha
- Nagrol
- Nakua
- Newra
- Ull
- Flora: Sal, Asna, Asidha, Haldu, Gahmhar, Kanju, Khair, Vija sal, Jhigan, Toon, Kath neem, Van Tulsi, Rohni etc.
- Fauna: Tiger, Great Indian Rhino, Asian Elephant, Swamp Deer, Spotted Deer, Sambhar, Fishing cat, Smooth Indian Otter, Spotbilled Pelican, India Longbilled Vulture, Sarus Crane, Mugger, Ghariyal, Monitor Lizard, King Cobra etc.
- A large number of rhinos are found in Dudhwa Tiger Reserve. It is the only place in Uttar Pradesh where both Tigers and Rhinos can be spotted together.