South Nahanni River is a major tributary of the Liard River, located roughly 500 kilometres west of Yellowknife in the Northwest Territories of Canada. It is the centerpiece of Nahanni National Park Reserve. Inoyerera ichibva kuMackenzie Mountains kumadokero, ichipfuura neSelwyn Mountains, ichikura sezvainoenda kumabvazuva pamusoro peVirginia Falls ine mbiri, uye pakupedzisira ichipinda muRwizi rweLiard. Nahanni ine nhoroondo yakasiyana nedzimwe.
iri makiromita 500 kumadokero kweYellowknife muNorthwest Territories yeCanada.