Trishuli River

• Trishuli River is a major transboundary Himalayan river flowing through Tibet (China) and Nepal.
• It originates in the Tibetan Plateau and enters Nepal through the Himalayas.
• In Nepal, it flows through the Trishuli Valley.
• It is one of the important tributaries of the Gandaki (Narayani) River system.
• The Trishuli joins the Seti Gandaki near Devghat, contributing to the Narayani/Gandaki system.
• The river is important for hydropower generation, rafting and tourism.
• The basin is characterised by steep Himalayan terrain, making it vulnerable to landslides, flash floods and other mountain hazards.
• Its downstream drainage ultimately contributes to the Ganga river system through the Gandak.

River System — Remember

Tibet → Nepal → Trishuli → Gandaki/Narayani → Gandak → Ganga → Bay of Bengal

UPSC Prelims Question — English

Q. With reference to the Trishuli River, consider the following statements:

1. It is a transboundary Himalayan river associated with the Gandaki river system.
2. It flows through Nepal.
3. Its waters ultimately form part of the Ganga river system.
4. It is a tributary of the Teesta River.

Which of the statements given above are correct?

A. 1 and 2 only
B. 1, 2 and 3 only
C. 2 and 4 only
D. 1, 2, 3 and 4

Answer: B. 1, 2 and 3 only

Explanation: Trishuli is an important river of Nepal’s Gandaki/Narayani system. The Gandak eventually joins the Ganga. Trishuli is not a tributary of the Teesta.