Kudancin kogin Nahanni babban yanki ne na kogin Liard, wanda ke da nisan kilomita 500 yamma da Yellowknife a Arewa maso Yammacin Kanada. Shi ne cibiyar Nahanni National Park Reserve. Yana gudana daga Mackenzie Mountains a yamma, ta hanyar Selwyn Mountains, yana girma yayin da yake zuwa gabas a kan babban Falls Virginia, kuma a ƙarshe ya zubar da shi a cikin kogin Liard. Nahanni yana da tarihin ilimin geological na musamman. An kafa shi lokacin da yankin ya kasance mai faɗi mai faɗi, yana samar da hanyar da ta dace da kogin filayen. Yayin da duwatsu suka tashi, kogin ya yanke manyan koguna guda huɗu a cikin dutsen, yana riƙe da hanyarsa. Tambaya: menene wurin kudu na kogin Nahanni?
wanda ke da nisan kilomita 500 a yammacin Yellowknife a Yankin Arewa maso Yammacin Kanada.