One river system links tiger reserves, national parks, and wildlife sanctuaries across three states. Its tributaries, not the main channel alone, decide which protected areas count.
🏛️ Must Know
Which Protected Areas Sit in the Cauvery Basin
- Nagarhole National Park Nagarhole, in Karnataka, is part of the Nilgiri Biosphere Reserve. The Kabini River, a major Cauvery tributary, flows through it.
- Sathyamangalam Tiger Reserve Sathyamangalam, in Tamil Nadu, is bordered by Karnataka and Kerala. The Bhavani River, another crucial Cauvery tributary, flows through this region.
- Wayanad Wildlife Sanctuary Wayanad, in Kerala, is also part of the Nilgiri Biosphere Reserve. The Kabini River flows through or originates in this area too.
- Papikonda Is the Exception Papikonda National Park sits in Andhra Pradesh and Telangana, along the Godavari River. The Godavari basin is entirely separate from the Cauvery basin.
Good to Know
📘 Good to Know
Why Tributaries Decide River-Basin Membership
- Not Just the Main Channel A river basin includes every area drained by its tributaries. It’s not just land the main river physically touches.
- The Kabini’s Reach The Kabini River alone connects Nagarhole and Wayanad to the Cauvery system. This happens despite the two parks sitting in different states.
- A Shared Biosphere Nagarhole and Wayanad both fall within the Nilgiri Biosphere Reserve. This shows how ecologically connected this Cauvery-basin cluster really is.
📝 Previous Year Questions
UPSC CSP 2020 — Which Protected Areas Lie in the Cauvery Basin
- UPSC 2020 Nagarhole, Sathyamangalam, and Wayanad all sit in the Cauvery basin, via its Kabini and Bhavani tributaries. Papikonda sits in the Godavari basin instead. See UPSC CSP 2020 GS Paper I, Q73. View this question.
Test Yourself
Great to Know
🌟 Great to Know
Why This Cluster Matters for Conservation
- A Connected Tiger Corridor Nagarhole and Wayanad are linked by the Kabini. Together they form part of a larger tiger and elephant corridor across the Western Ghats.
- Cross-State Water Management These protected areas share a river system across state lines. Their conservation depends partly on inter-state water and forest cooperation.
- A Recurring Exam Pattern UPSC frequently tests river-basin membership using protected areas as the hook. This forces a reader to know both the geography and the park.
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