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BATTLE // Nov–Dec 1950

Chosin Reservoir

North Korea · 40.477, 127.202

Cartographic map of the Chosin Reservoir
The U.S. Army Center of Military History, via Wikimedia Commons · Public domain

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Overview

The Battle of Chosin Reservoir, also known as the Chosin Reservoir Campaign or the Battle of Lake Changjin, was a battle in the Korean War. The name "Chosin" is derived from the Japanese pronunciation "Chōshin", instead of the Korean pronunciation.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

Chinese intervention confirmed

Result

Fighting withdrawal

Forces & casualties

Troop strength

  • United Nations30,000
    medium
  • China120,000
    medium

China fielded a 4.0 : 1 numerical advantage

Casualties

  • United Nations1,029
    medium3% loss rate
  • China7,304
    medium6% loss rate
Order of battle →Casualties in detail →

Commanders (5)

China

United Nations

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Related

6 sibling battles · 11 factions

Last verified May 2026
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