大黑河，位于河套地区的黄河左岸支流，古称勒川、黑水。水源来自内蒙古自治区中部蛮汗山东北坡骆驼脖子和双鹦鹉一带，与五贝滩河、水磨沟、哈拉沁沟及枪盆河等河流汇合，流经呼和浩特三角洲平原、托克托北部，最终汇入黄河。全长236公里。因为7月至8月的水量只有一半，山区的腐殖层被冲刷下来后，促使河水浑浊暗黑，所以称为大黑河。[1][2]
参考资料
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