Dihing or Burhi Dihing (Dihong = wide river ) is a large tributary, about long, of the Brahmaputra River in Upper

Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...

in northeastern India. The river originates at above sea level in the Eastern

Himalayas The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 10 ...

(the

Patkai The Pat-kai (Pron:pʌtˌkaɪ) or Patkai Bum ( Burmese: ''Kumon Taungdan'') are a series of mountains in the Indo-Myanmar border falling in the north-eastern Indian states of Arunachal Pradesh, Nagaland and Upper Burma region of Myanmar. The ...

Hills) in

Arunachal Pradesh Arunachal Pradesh (, ) is a state in Northeastern India. It was formed from the erstwhile North-East Frontier Agency (NEFA) region, and became a state on 20 February 1987. It borders the states of Assam and Nagaland to the south. It shares ...

and flows through

Tinsukia Tinsukia (Pron: ˌtɪnˈsʊkiə) is an industrial town. It is situated north-east of Guwahati and away from the border with Arunachal Pradesh. It is the administrative headquarters of Tinsukia District of Assam, India. History During th ...

(''Tinicukeeya'') and Dibrugarh Districts in Assam to its confluence with the Brahmaputra at Dihingmukh. Its watershed covers about . The Dihing has created number of oxbow lakes in the area. Namdapha river is a tributary of the Dihing on its northern bank. Disang river is a tributary of the Dihing in its southern bank. The Jeypore-Dihing Rainforest,

Namdapha National Park Namdapha National Park is a large protected area in Arunachal Pradesh of Northeast India. The park was established in 1983. With more than 1,000 floral and about 1,400 faunal species, it is a biodiversity hotspot in the Eastern Himalayas. The ...

, numerous petroleum fields, wet-paddy fields, bamboo orchards and tea gardens provide a unique landscape along its course. Ledo, Margherita,

Digboi Digboi (IPA: ˈdɪgˌbɔɪ) is a town and a town area committee in Tinsukia district in the north-eastern part of the state of Assam, India Crude oil was discovered here in late 19th century and first oil well was dug in 1866. Digboi is known a ...

Duliajan Duliajan is an industrial town of Dibrugarh district in the Indian state of Assam located in the upper north-east corner of India. The town is about 45 km east of Dibrugarh City. It is particularly known for its oil related industry, Oil I ...

and

Naharkatia Naharkatia (previously spelt as Naharkatiya or Nahorkatiya) is a town and a town area committee in Dibrugarh district in the Indian state of Assam. It is well known for petroleum and gas reserves. Earlier, Duliajan, the head office town of Oi ...

(''Nahorkotiya'') are the small towns in its valley. Dihing is the one of the most important contributors to the Brahmaputra River. The plains of the Dihing Valley has a rich variety of flora and fauna. The

Betel nuts The betel (''Piper betle'') is a vine of the family Piperaceae, which includes pepper and kava. The betel plant is native to Southeast Asia. It is an evergreen, dioecious perennial, with glossy heart-shaped leaves and white catkins. Betel p ...

are produced most in the areas of the Dihing Plains.

History

According to historical as well as geographical records, the Dihing once flowed through entire Upper Assam and met the Brahmaputra at Mahuramukh in Bokakhat. At that time the rivers Disang, Dikhou, Disai, Dhansiri were all tributaries to the Dihing. The river later dried out during the 17th century (as mentioned in Buranjis) and changed course to join the Brahmaputra at Dihingmukh. Even before that, the river met the Brahmaputra near the confluence of Subansiri river. At that time the Dikhou river had an independent route and flowed as

Kolong Kolong may refer to: * Kolong River, a river in Assam, India * Kolong (film), a 2019 Malaysian horror film * Kolong language, spoken in parts of Himachal Pradesh Himachal Pradesh (; ; "Snow-laden Mountain Province") is a state in the northe ...

and joined the Brahmaputra at Kajalimukh in

Nagaon district Nagaon is an administrative district in the Indian state of Assam. At the time of the 2011 census it was the most populous district in Assam, before Hojai district was split from it in 2016. History Batadrowa gave birth to the Vaishnavite ...

Bridges and crossings

# Rail bridge of chain age 41.480 kilometers situated at Kutuha Kachari Village of length 288.20 meter and width 6.30 meters. # RCC bridge of chain age 41.610 kilometers situated at Kutuha Kachari Village of length 236.30 meter and width 8.18 meters. # Rail bridge of chain age 54.586 kilometers situated at Kowar Kharoni Village of length 504.20 meter and width 8.50 meters. # Steel bridge of chain age 102.625 kilometers situated at Cheerika Beel Village of length 616.6 meter and width 3.13 meters. # RCC bridge of chain age 108.730 kilometers situated at Kowar Kharoni Village of length 273.93 meter and width 8.25 meters. # Rail bridge of chain age 109.136 kilometers situated at Kowar Kharoni Village of length 339.30 meter and width 5.89 meters.

References

{{reflist

External Links

Riversofindia.com
Rivers of Assam Tributaries of the Brahmaputra River Rivers of Arunachal Pradesh Ahom kingdom Rivers of India