|Water code||US : 1403091|
|River system||Yukon River|
|Drain over||Yukon River → Bering Sea|
Alaska Interior south of the Brook Range
|length||approx. 150 km|
It rises in the Interior south of the Brooks range , flows first in an easterly direction and then turns in a wide arc to the south. 70 km southwest of Fort Yukon it flows into the Yukon River. The entire course of the Hadweenzic River lies in the Yukon Flats National Wildlife Refuge .