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Siachen Glacier

Both armies ordered their arctic gear from the same London outfitter. One found out about the other’s order first, doubled it, and won the glacier before a shot was fired.

Siachen Glacier and Teram Shehr Glacier, photographed from the International Space Station. Photo: NASA Earth Science and Remote Sensing Unit, Wikimedia Commons (public domain).
Locator map of the Siachen Glacier in Ladakh. Base map: India location map.svg, Wikimedia Commons (CC BY-SA); pin overlay added for this article.
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Indian Geography · IndGeo0034
Siachen Glacier: The World’s Highest Battlefield
1949–72
Karachi and Simla Agreements leave the border north of NJ9842 vaguely defined.
13 Apr 1984
India launches Operation Meghdoot, seizing the glacier days ahead of Pakistan’s own plan.
2003–present
A ceasefire holds, but both armies maintain a heavy high-altitude presence.
~5,400 m
Altitude of the glacier
~76 km
Length of the glacier
97%
Deaths from weather, not combat
Won by a coat order
Both armies ordered arctic gear from the same London supplier. India found out about Pakistan’s order first, doubled its own, and reached the glacier four days early.
📑 Contents
✊ Must Know
Location and Vital Statistics
  • The Siachen Glacier, in the eastern Karakoram Range, sits at an altitude of roughly 5,400 metres.
  • At about 76 kilometres long, it is one of the longest glaciers in the Karakoram.
  • India took control of the glacier through Operation Meghdoot, launched on 13 April 1984.
  • Since then, it has been called the world’s highest battlefield.
  • A ceasefire has held since 2003, but both India and Pakistan keep a heavy military presence there.
📘 Good to Know
Strategic and Environmental Stakes
  • The dispute traces back to the 1949 Karachi Agreement and 1972 Simla Agreement, which vaguely defined the border north of a point called NJ9842. Both assumed no one could survive that far north.
  • India moved first because of a tip-off. Pakistan and India had both ordered arctic-weather gear from the same London supplier, and India learned of Pakistan’s order first.
  • India doubled its own order and rushed troops to the glacier, seizing it about four days ahead of Pakistan’s own planned operation.
  • Indian forces ended up controlling almost the entire glacier, along with the main Saltoro Ridge passes overlooking it: Sia La, Bilafond La, and Gyong La.

Test Yourself

1. India took control of the Siachen Glacier through which operation, launched on 13 April 1984?

 

🌟 Great to Know
Legal Status and Human Cost
  • Winter temperatures at Siachen fall to between -20°C and -40°C, and can plunge as low as -55°C during blizzards.
  • About 97% of the roughly 2,700 troop deaths since 1984 came from weather and altitude, not actual combat. Avalanches, frostbite, and altitude sickness killed more soldiers than gunfire.
  • Decades of military presence left large amounts of non-biodegradable waste on the glacier. Some of it has leached into the Nubra, Shyok, and Indus rivers downstream.
  • Climate change is now shrinking the glacier itself, raising questions about how a melting battlefield changes the military and environmental stakes.
📝 Previous Year Questions
Where Exactly Does Siachen Sit?
  • The fact Siachen Glacier sits north of the Nubra Valley. The Nubra River itself originates from Siachen Glacier’s meltwater.
  • Not east of Aksai Chin Siachen sits well west of Aksai Chin, not east of it — a common distractor in this question.
  • Answer: (d) North of Nubra Valley.
  • View this question on the full 2020 paper →

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