Key Facts about Teesta River

March 24, 2024

The tourism department of the Gorkhaland Territorial Administration (GTA) resumed rafting in the Teesta River recently after a gap of five months.

About Teesta River:

  • It is a trans-Himalayan River flowing through the Indian states of Sikkim and West Bengal and, Rangpur in Bangladesh. It is a tributary of the Brahmaputra River.
  • Origin: It originates in the Himalayas and flows through the Indian States of Sikkim and West Bengal before entering Bangladesh, where it flows into the Brahmaputra. 
  • It has a total length of about 309 kilometers. The flow of the Teesta is greatest during the summer (June to September), when the monsoon rains are heaviest and glaciers supply abundant meltwater.
  • Main Tributary: Rangeet River

What is a Monsoon?

  • A monsoon is a shift in winds that often causes a very rainy season or a very dry season.
  • What causes a monsoon?
    • A monsoon is caused by a seasonal shift in the winds. The winds shift because the temperature of the land and the temperature of the water are different as seasons change.
    • For example, at the beginning of summer, the land warms up faster than bodies of water. Monsoon winds always blow from cold to warm.
    • In the summer, warm air rising off the land creates conditions that reverse the direction of the wind.
    • Although monsoons are usually associated with parts of Asia, they can happen in many tropical and subtropical regions.

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