The Suheli River forms the southern boundary of the

Dudhwa National Park The Dudhwa National Park is a national park in the Terai belt of marshy grasslands in northern Uttar Pradesh, India. It stretches over an area of , with a buffer zone of . It is part of the Dudhwa Tiger Reserve in the Kheri and Lakhimpur distric ...

and is considered the park's "life line". It is a major river of the park, which is considered one of the last areas of productive

Terai The Terai or Tarai is a lowland region in northern India and southern Nepal that lies south of the outer foothills of the Himalayas, the Sivalik Hills, and north of the Indo-Gangetic Plain. This lowland belt is characterised by tall grasslands, scr ...

ecosystems in

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

. The Suheli, along with the Sharda and Mohana drain into the

Ghagra River Ghaghara, also called Karnali, is a perennial trans-boundary river originating on the Tibetan Plateau near Lake Manasarovar. The Karnali cuts through the Himalayas in Nepal and joins the Sharda River at Brahmaghat in India. Together they form th ...

system.Tiwaru, P. C., Joshi, B. (1998)
''Wildlife in the Himalayan Foothills: Conservation and Management''
Indus Publishing, New Delhi.

South Asian river dolphin South Asian river dolphins are toothed whales in the genus ''Platanista'', which inhabit fresh water habitats in the northern Indian subcontinent. They were historically considered to be one species (''P. gangetica'') with the Ganges river dolp ...

s possibly occur near the confluence of the Suheli with the Ghagha (Ghaghara), but there have been no surveys to confirm this.Reeves, R. R., Smith, B. D., Kasuya, T. (2000
''Biology and Conservation of Freshwater Cetaceans in Asia''
Issue 23 of IUCN Species Survival Commission Occasional Paper Series

References

Rivers of Uttar Pradesh Rivers of Sudurpashchim Province Rivers of India Geography of Lakhimpur Kheri district {{Nepal-river-stub