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India's Silent River: Pristine Ecosystem Preserved
17 Apr
Summary
- Kunthipuzha River, the 'Silent River', flows through India's only undisturbed tropical rainforest.
- It originates in the Western Ghats, a UNESCO biodiversity hotspot in Kerala.
- A 1970s campaign saved Silent Valley from a hydroelectric project, becoming a conservation milestone.

Nestled in Kerala, the Kunthipuzha River is aptly known as India's "Silent River." It traverses the Silent Valley National Park, the nation's only undisturbed tropical rainforest. This unique river originates in the Western Ghats, a region recognized by UNESCO for its exceptional biodiversity.
The river plays a crucial role in sustaining the park's rich wildlife, including the endangered lion-tailed macaque and Nilgiri langur. Unlike many Indian rivers impacted by development, Kunthipuzha remains remarkably pure due to stringent preservation measures.
Its history is deeply linked to a pivotal environmental struggle in the 1970s. A proposed hydroelectric plant threatened the valley's delicate ecosystem, sparking a successful campaign by scientists and activists. This effort led to the area being declared a national park in 1984, marking a significant victory for conservation in India.