The Klinaklini River (Kwak'wala name Tsawatti or Tswawadwi, also used to mean the whole of Knight Inlet) is one of the major rivers of the Pacific Ranges section of the Coast Mountains in British Columbia. It begins in the northern basins of the Pantheon Range to the north of Mount Waddington and briefly heads northeast onto the Chilcotin Plateau before bending around northwestwards to turn around south, reaching its mouth at the head of Knight Inlet after c.200 km. The brief but voluminous West Klinaklini River (7 km only) joins the Klinaklini in its lower reaches, and is the meltwater from the Klinaklini Glacier, the main tongue of the vast Ha-Iltzuk Icefield (Silverthrone Glacier), which lies west of the Klinaklini.