Teesta River

The Teesta is a transboundary river flowing through Sikkim and West Bengal in India into Bangladesh, where it joins the Brahmaputra River.

Teesta River basin: The drainage area whose streams and rivers flow into the Teesta. The basin connects the river’s headwaters, tributaries, and downstream communities.
Tso Lhamo Lake: A high-altitude lake in North Sikkim near the Tibetan plateau. The lake lies near the Teesta’s headwater region.
Teesta Low Dam Project: A series of hydropower projects on the Teesta in West Bengal. The projects use the river’s elevation drop to generate electricity.
2023 South Lhonak Lake outburst flood: A 2023 flood triggered by the breach of South Lhonak Lake in Sikkim. The surge devastated parts of the Teesta valley and damaged downstream infrastructure.
Rangeet River: A major tributary of the Teesta flowing through Sikkim and West Bengal. It joins the Teesta near Teesta Bazaar in the lower Himalayan foothills.
Himalayas: A mountain range spanning parts of South and Central Asia. The Teesta rises in the eastern Himalayas and descends through steep terrain.
Paha Khola: A river in North Sikkim that contributes to the Teesta system. It is among the headwater streams associated with the river’s formation.
Teesta III Hydroelectric Project: A hydropower project on the Teesta near Chungthang in Sikkim. It is a major example of hydropower development in the river’s upper reaches.
South Lhonak Lake: A glacial lake in Sikkim that breached during a major flood in October 2023. Its outburst sent a destructive flood surge into the Teesta.
Mahananda River: A transboundary river flowing through India and Bangladesh to the Ganges system. It is a neighboring river of the eastern Himalayan foothills and North Bengal.

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Rangpur DivisionRelated: The river and its basin shape agriculture and settlement in the division’s north.