约古宗列曲黄河源头之一。全长95公里,向东注入星宿海。在星宿海之上与卡日曲汇合后,形成玛曲。20世纪50年代起曾被当做黄河正源,直到1978年夏进行考察,才确定河长和流域面积都超过约古宗列曲的卡日曲为黄河正源。

参考

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