Key facts about Teesta River

June 15, 2024

West Bengal’s Kalimpong is facing widespread devastation due to heavy rains that caused flooding in the Teesta River.

  About Teesta River:

  • It is a tributary of the Jamuna River (Brahmaputra River), flowing through India and Bangladesh.
  • Origin:
    • It originates as Chhombo Chhu from a glacial lake Khangchung Chho at an elevation of 5,280 m in the northeastern corner of the state.
    • Teesta Khangse glacier and Chho Lhamo are also considered as the source of Teesta River by many authors.
  • The total length of river is 309 km (192 mi). It drains an area of 12540 km2.
  • Course:
    • It flows to the south, cutting a deep gorge through the Siwalik Hills east of Darjiling (West Bengal) and turns southeast to run through the Sivok Khola pass onto the plains of West Bengal.
    • The river continued southward to empty directly into the upper Padma River (Ganga River).
    • About 1787, however, the river changed its course to flow eastward, crossing the Rangpur region of Bangladesh to join the Jamuna River near Chilmari after a total course of about 200 miles (320 km).
  • The major tributaries of Teesta river:
    • Left-bank Tributaries: Lachung Chhu, Chakung Chhu, Dik Chhu, Rani Khola, Rangpo Chhu.
    • Right-bank Tributaries - Zemu Chhu, Rangyong Chhu, Rangit River.