Huai River, River, eastern China. It flows east for 660 mi (1,100 km) and discharges into Hongze Lake in Jiangsu province. With its many tributaries, it is subject to extensive flooding; work to control the flooding is ongoing. River traffic from the Huai joins the Grand Canal, providing water transport routes north to the Huang He (Yellow River) and south to the Yangtze River (Chang Jiang).
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