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How does Lake Khanka connect to the Amur River system?

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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.

Lake Khanka connects to the Amur River system through a series of river connections that ultimately feed into the main channel.12

The lake’s primary outlet is the Sungacha (Song’acha) River. This river serves as one of the contributing sources that form the Ussuri (Wusuli) River, which flows northward along the border between China and Russia. The Ussuri River then joins the Amur River near the city of Khabarovsk, integrating the waters of Lake Khanka into the broader Amur drainage basin.132