10 Lines on Kosi River

Kosi River flows into Nepal and northern part of India. It originates from the Tibet province of China. After Yamuna, Kosi is the second largest tributary of River Ganga. The river emerges from the great plains of north India where it adopts the way to Ganga River.

Kosi is considered as the lifeline of Nepal and it is also one of the important rivers of Bihar state which is helpful for the economic and commercial activities.

The river water is very helpful for irrigational purposes, hydropower projects as well as for fisheries.

However it is also known as the ‘Sorrow of Bihar’ as floods occur very frequently and destroys a large area covering many districts of Bihar hampering the living and economy of the state.

Ten Lines on Kosi River in English

We have provided ten lines on Kosi River in English for class 3, class 4, class 5 and class 6. After reading these lines you will know that what is Kosi River, where Kosi River flows, what is the length of Kosi River, what is the coverage area of Kosi River, what height does Kosi River rises, which mountains are located on Kosi River, which river is sorrow of Bihar etc.

You can add these lines in your essays and paragraph writing in your exam as well as in the school competitions. It will support your essays on Kosi River as well as related topics like Kosi route, why river Kosi changes its course, sorrow of Bihar, few lines on Kosi River, Kosi River facts etc.

10 Lines on Kosi River – Set 1

1) Kosi River is one of the oldest trans-boundary rivers which flows into Nepal and India.

2) It flows from the eastern part of Nepal and enters into Bihar state of India.

3) Kosi River is one of the major tributaries of River Ganga in Katihar district of Bihar.

4) The length of Kosi River is 720 km and the coverage area of Kosi is 74,500 square km.

5) Kosi River originates from an altitude of 7000 metres above the sea level in Himalayas.

6) The highest peaks, Mount Everest and Kanchenjunga are located on Kosi’s catchment.

7) After originating from Tibet, Kosi River travels to the Tarai region of Nepal.

8) After covering the distance of 50 km of Tarai region it enters to the Indian territory.

9) There are three major tributaries of Kosi viz, Tamar Kosi, Aruna Kosi and Sun Kosi.

10) Kosi River is also called as the ‘Sorrow of Bihar’ due to its devastating floods.


We have provided another set of ten points on Kosi River for class 9, class 10, class 11 and class 12. After going through these points, you will know that what is the is the route of Kosi River, what is the area of starting of Kosi River, which is known as Saptakoshi, what is the ancient name of Kosi River, by which rivers Kosi is surrounded, what infrastructure is built on Kosi etc.

You can use these lines in your speeches and extempore in the school competitions. These lines will also increase your knowledge on Kosi River and it will also be very useful in your seminars as well as in your GK quiz competitions.

10 Lines on Kosi River – Set 2

1) Kosi River is a trans-boundary river which flows through China, Nepal and India and is the major river which flows in Nepal and Tibet province of China.

2) Kosi River starts flowing from northern slopes of Himalayas in Tibet and to southern slopes of Nepal and forms a tributary north to Chatra Gorge towns.

3) Kosi River is also known as ‘Saptakoshi’ for its seven tributaries which include ‘Tamor River’ from Kanchenjunga in the east and ‘Arun River’ and ‘Sun Koshi’ from Tibet.

4) Kosi River is also known as ‘Kausika’ in Rigveda and is also mentioned in the epic Mahabharata as ‘Kausiki’; seven Koshis join together to form ‘Sapta Koshi’.

5) The Kosi River basin is surrounded by ridges which separate Kosi River from ‘Yarlung Tsangpo River’ in north, ‘Gandaki’ in west and ‘Mahananda’ in east.

6) Kosi River area comprises of six different geological and climatic belts with the height ranging from 8000 m or 26,000 ft to 95 m or 312 ft.

7) Those geological areas of Kosi River are Tibetan Plateau, the Himalayas, the Himalayan mid-hill belt, the Mahabharat range, the Siwalik Hills and the Terai.

8) Kosi River is also known as ‘The Sorrow of Bihar’ as the annual floods affect about 21,000 square km of fertile agricultural lands which hampers the economy.

9) The river has an average water flow of 2166 cubic metres per second and the greatest recorded water flow of Kosi River was 24,200 m3/s on 24th August, 1954.

10) Kosi Barrage, Kosi Embankment System and Sapta-Koshi High Multipurpose Projects are built on Kosi River for irrigation, flood control as well as producing electricity.

As we know that frequent floods in Bihar northern districts have made Kosi as the sorrow of Bihar but now a dam built on the Chatra Gorge at Barakakshetra controls the floods, allows the irrigation on the agricultural lands of northern Bihar and provides electricity through hydropower. This multipurpose project was built as a joint forum of India and Nepal. Maize is largely cultivated on the sand containing soil of Kosi River basin areas.