八道沟河,位于中华人民共和国吉林省长白朝鲜族自治县境内,是鸭绿江右岸支流,发源于长白县十四道沟镇北部望天鹅峰南麓,蜿蜒向南流经宝泉山镇、新房子镇和八道沟镇,最后于八道沟镇西兴村注入鸭绿江。河长84.9千米,河道平均比降7.7‰,流域面积718平方千米,年均径流量3.23亿立方米。流域内山峦重叠,丘陵起伏,河道弯曲,坡陡流急,水能资源丰富。流域森林覆盖率84%。[1]
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