The Jaldhaka River: A Cross-Border Lifeline of Nature and Culture
The Jaldhaka River is a remarkable watercourse that flows across three countries India, Bhutan, and Bangladesh binding together diverse landscapes and communities. Known for its geographical uniqueness, fertile basin, and developmental importance, the river plays a crucial role in sustaining agriculture, energy, and tourism in the region.
Geography of the Jaldhaka River
The
Jaldhaka River can be geographically located at 27.0297° N latitude and 88.8747° E longitude. It originates from Kupup Lake (Bitang Lake), a glacial
lake in southeastern Sikkim in the eastern Himalayas. This pristine source sets
The River on a Journey
that crosses multiple borders, making it a true trans-boundary river.
Course of the River
- Length: About 192 kilometers
- Origin: Kupup Lake, Sikkim
- Formation: Created by the confluence
of three streams Bindu Khola, Dudh Pokhri, and Jaldhaka at Bindu village in West Bengal.
Path of
the River:
- Forms a boundary between
India and Bhutan.
- Flows through Bhutan and
Indian districts of Darjeeling,
Jalpaiguri, and Cooch Behar.
- In Cooch Behar, it is
locally known as Singimari.
- Enters Bangladesh via Lalmonirhat District, merges with
the Dharla River, and
eventually joins the Brahmaputra
near Kurigram.
This
course highlights the river’s international character, connecting ecosystems
and cultures across borders.
Tributaries of Jaldhaka
The
Jaldhaka River is enriched by several tributaries that strengthen its flow:
- Right
Bank Tributaries:
Murti, Naksal Khola, Sutunga, Jarda
- Left
Bank Tributaries:
Diana, Rehti-Duduya, Mujnai
These
tributaries contribute significantly to the river’s ecological and agricultural
importance.
Significance of the Jaldhaka River
The
Jaldhaka basin is one of the most fertile agricultural zones in the region,
comparable to the Teesta Basin. Its significance lies in the diversity of crops
cultivated along its course:
- Upper
Course (Sikkim):
Ginger, medicinal herbs, oranges, pomegranates
- Middle
Course (Jalpaiguri): Tea
plantations and corn fields
- Lower
Course (Cooch Behar & Bangladesh): Rice, jute, tobacco, bananas
Additionally,
inter-river lands are used for bamboo and mat stick cultivation, while banana
plantations thrive in the lower basin. This agricultural richness makes the
river indispensable for local livelihoods.
Development of the River
A major
development project on the Jaldhaka River is the Jaldhaka Dam, located at Bindu. Constructed for electricity
generation, the dam has also become a popular tourist attraction. Its scenic
surroundings and engineering significance make it both a resource hub and a
destination for visitors.
Visiting the Jaldhaka River Valley
The
Jaldhaka River valley is accessible through well-connected routes:
- Nearest
Railway Station:
Malbazar
- Distances:
- 90 km from Siliguri
- 135 km from Kalimpong
- Route: From Siliguri, travelers
can take NH 31 through the Dooars region. At Khunia crossing (between Chalsa and Nagrakata), a northward
road leads to Jaldhaka, about 20 km ahead.
The
valley offers breathtaking views of tea gardens, forests, and river landscapes,
making it a hidden gem for eco-tourism enthusiasts.
Conclusion
The Jaldhaka River is more than a
geographical feature—it is a lifeline that nurtures agriculture, supports
energy generation, and fosters tourism. Its trans-boundary journey symbolizes
the interconnectedness of nature and human societies across India, Bhutan, and
Bangladesh. For travelers, researchers, and locals alike, The Jaldhaka River
remains a source of sustenance, beauty, and inspiration.

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