MasteryExams
Geography • Indian GeographyMedium

Which river forms the eastern boundary separating Himachal Pradesh from Uttarakhand, originating from Yamunotri in the Garhwal Himalayas?

A. Yamuna River✓ Correct Answer
B. Ganga River
C. Tons River
D. Giri River

💡 Solution & Explanation

The Yamuna River touches the eastern border of Himachal Pradesh in Sirmaur district, separated briefly by its major tributary the Tons River, originating from Yamunotri glacier. The Tons is actually the largest tributary of the Yamuna. Inter-state boundary rivers in the Himalayan foothills follow deep structural tectonic lineaments.

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