The Mahananda ( ) is a trans-boundary river that flows through the

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 ...

n states of

Bihar Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West Be ...

and

West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...

before crossing into

Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...

. It is an important

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

Ganges The Ganges ( ) (in India: Ganga ( ); in Bangladesh: Padma ( )). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international river to which India, Bangladesh, Nepal and China are the riparian states." is ...

Course

The Mahananda river system consists of two streams- one is locally known as Fulahar river and the other Mahananda. The Fulahar originates in the

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 100 ...

Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...

and traverses through the Indian state of Bihar and merges with the Ganges in left opposite to Rajmahal. The Mahananda originates in the Himalayas: Paglajhora Falls on Mahaldiram Hill near Chimli, east of Kurseong in

Darjeeling district Darjeeling District is the northernmost district of the state of West Bengal in eastern India in the foothills of the Himalayas. The district is famous for its hill station and Darjeeling tea. Darjeeling is the district headquarters. Kurseon ...

at an elevation of . It flows through Mahananda Wildlife Sanctuary and descends to the plains near

Siliguri Siliguri, ) is a major tier-II city in West Bengal. It forms twin cities, "Twin Cities" with the neighboring district capital of Jalpaiguri. The city spans areas of the Darjeeling district, Darjeeling and Jalpaiguri districts in the Indian sta ...

. It touches

Jalpaiguri district Jalpaiguri district () is a district of the Indian state of West Bengal. The district was established in 1869 during British Raj. The headquarters of the district are in the city of Jalpaiguri, which is also the divisional headquarters of No ...

. It enters Bangladesh near Tentulia in

Panchagarh District Panchagarh (; bn, পঞ্চগড়, 'five forts') is a district of the Rangpur division in Northern Bangladesh. Panchagarh is the northernmost district of Bangladesh. It lies between 26º00' and 26º38' north latitudes and between 88º19' a ...

, flows for after Tentulia and returns to India. After flowing through Uttar Dinajpur district in West Bengal and

Kishanganj Kishanganj is a city and district headquarters of Kishanganj district in Purnia division of Bihar state. History Kishanganj, which was previously part of Purnia district, is part of the Mithila region. Mithila first gained prominence after bei ...

, Purnia and

Katihar Katihar is a city situated in the eastern part of the state of Bihar in India. It is the regional headquarter of Katihar district. It is one of the important cities of Bihar. Also it's a main route of Delhi - Guwahati railway line. History Ka ...

districts in Bihar, it enters

Malda district Malda district, also spelt Maldah or Maldaha (, , often ), is a district in West Bengal, India. It lies 347 km (215 miles) north of Kolkata, the capital of West Bengal. Mango, jute and silk are the most notable products of this district. ...

in West Bengal. The Mahananda divides the district into two regions — the eastern region, consisting mainly of old alluvial and relatively infertile soil is commonly known as Barind (Barendrabhumi), and the western region, which is further subdivided by the river Kalindri into two areas, the northern area is known as "Tal". It is low-lying and vulnerable to inundation during rainy season; the southern area consists of very fertile land and is thickly populated, being commonly known as "Diara". It joins the

at Godagiri in Nawabganj district in Bangladesh.

Basin data

The total length of the Mahananda is , out of which are in India and are in Bangladesh. The total drainage area of the Mahananda is out of which are in India.

Tributaries

The main tributaries of the Mahananda are Balason,

Mechi Mechi ( ne, मेची अञ्चल ) was one of the fourteen zones of Nepal until the restructuring of zones to provinces, comprising four districts; namely Ilam, Jhapa, Panchthar and Taplejung. Its headquarters are at Ilam. It comes und ...

, Kankai and River Kalindri. At the East of the confluence of the Kalindri and the Mahananda lies the

Old Malda Old Malda is a census town in Malda district in the Indian state of West Bengal. It is a part of the Malda Metropolitan Area (Urban Agglomeration). It is located on the eastern bank of the river Mahananda. Geography Old Malda is located at . ...

town. In the Siliguri area it has three tributaries called the Trinai, Ranochondi and the pair of Chokor and Dauk taken as a single tributary.

References

External links

* {{Rivers in Bihar Siliguri Rivers of Bangladesh Rivers of Bihar Rivers of West Bengal International rivers of Asia Rivers of Rangpur Division