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Where does the Argun River begin?

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Topographic map of the Amur River basin and its drainage network, covering parts of northeastern China, eastern Russia, Mongolia, and North Korea. The map uses color shading to indicate elevation, shows major rivers and tributaries, surrounding mountain ranges, swamps, marshes, and lakes, and includes a locator inset of the region within Asia. Major cities, railways, and dams are also marked. — Amur River The Amur River basin and its drainage network.

The Argun River rises on the western slope of the Greater Khingan Range in the Inner Mongolia Autonomous Region of China. In its upper reaches, the river is known as the Hailar River. It eventually merges with the Shilka River near Luoguhe to form the Amur River.12