Transboundary Rivers in India

Transboundary Rivers are the rivers that cross an international boundary. These rivers flow through at least two countries in the world. Here is a complete list of Transboundary rivers in India:

Beki (Transboundary River)

Rises from Himalayas in and flows for a total length of 0 km. It passes through Bhutan and India before emptying in the Brahmaputra river in . The soil erosion of Beki river has become a major problem of flowing two districts Barpeta and Baksa of Assam.

Brahmaputra (Transboundary River)

Rises from Bhagirath Glacier, Manasarovar in Himalayas and flows for a total length of 2900 km. It passes through China, India and Bangladesh before emptying in the Ganges river in Ganges Delta. While most rivers on the Indian subcontinent have female names, this river has a rare male name. It is the ninth largest river in the world by discharge, and the 15th longest. In India, it flows for 916 km. Before entering Assam, this river is called Yarlung Tsangpo. In Bangladesh, it is called Jamuna.

Chenab (Transboundary River)

Rises from Bara-lacha la Pass in Himachal Pradesh, India and flows for a total length of 960 km. It passes through India and Pakistan before emptying in the Sutlej river in Bahawalpur district, Punjab, Pakistan. The waters of the Chenab were allocated to Pakistan under the terms of the Indus Waters Treaty.

Gandak (Transboundary River)

Rises from Nhubine Himal Glacier in Mustang, Nepal and flows for a total length of 630 km. It passes through China, Nepal and India before emptying in the Ganges river in Sonpur, India.

Ganges (Transboundary River)

Rises from Gangotri glacier in Uttarakhand, India and flows for a total length of 2525 km. It passes through India and Bangladesh before emptying in the Bay of Bengal in Ganges Delta. After entering Bangladesh, Ganges is called Padma river.

Ghaghara (Transboundary River)

Rises from Mapchachungo Glacier in Tibet, China and flows for a total length of 1080 km. It passes through China, Nepal and India before emptying in the Ganges river in Revelganj, India. Ghaghra is the largest tributary of the Ganges by volume and the second longest tributary of the Ganges by length after Yamuna. Lower Ghaghara is also known as Sarayu river and finds mention in Ramayana. Ayodhya is situated on its right bank.

Indus (Transboundary River)

Rises from S ngg Zangbo in Tibetan Plateau and flows for a total length of 3180 km. It passes through China, India and Pakistan before emptying in the Arabian Sea in Indus River Delta.

Jhelum (Transboundary River)

Rises from Verinag Spring in Anantnag district of Jammu and Kashmir and flows for a total length of 725 km. It passes through India and Pakistan before emptying in the Chenab river in .

Koshi (Transboundary River)

Rises from Sun Koshi, Arun and Tamor form Saptakoshi in Tribenighat, Nepal and flows for a total length of 729 km. It passes through China, Nepal and India before emptying in the Ganges river in near Kursela, Bihar, India. The Koshi River is known as the "Sorrow of Bihar" as the annual floods affect about 21,000 square kilometers of fertile agricultural lands thereby disturbing the rural economy.

Mahananda (Transboundary River)

Rises from Paglajhora Falls in Mahaldiram Hill, Darjeeling and flows for a total length of 360 km. It passes through India and Bangladesh before emptying in the Ganges river in Godagiri, Nawabganj District, Bangladesh.

Manas (Transboundary River)

Rises from Himalayas in and flows for a total length of 376 km. It passes through China, Bhutan and India before emptying in the Brahmaputra river in . Manas river flows with huge variation in its elevation. It starts in Himalayan peaks at the height of 7500 meters and by the time it reaches India, its elevation from sea-level is about 100 meters. Royal Manas National Park in southern Bhutan and The Manas Wild Life Sanctuary, located in Assam, are in the Manas river valley. The Manas Wild Life Sanctuary is considered as one of "Asia's finest wild life reserves" and is a UNESCO World Heritage Site. Manas is the largest river system of Bhutan.

Ravi (Transboundary River)

Rises from Himalayas in Kangra district, Himachal Pradesh and flows for a total length of 720 km. It passes through India and Pakistan before emptying in the Chenab river in .

Sutlej (Transboundary River)

Rises from Langq n Zangbo in Tibet and flows for a total length of 1500 km. It passes through China, India and Pakistan before emptying in the Chenab river in Bahawalpur district, Punjab, Pakistan.

Teesta (Transboundary River)

Rises from Pauhunri, Zemu Glacier, Lake Cholamu, Gurudongmar Lake, Cholamu lake in Sikkim, India and flows for a total length of 315 km. It passes through Tibet, India and Bangladesh before emptying in the Brahmaputra river in Fulchhari, Rangpur District, Bangladesh.

Torsa (Transboundary River)

Rises from Chumbi Valley in Yadong county, Tibet and flows for a total length of 358 km. It passes through China, Bhutan and India before emptying in the Brahmaputra river in . In Tibet, Torsa is known as Machu, in Bhutan it is called Amo Chu and in India it is designated as Torsa.