The Pauschikushish River Ewiwach is a tributary of Dana Lake (Eeyou Istchee Baie-James) in Regional County Municipality (RCM) of Eeyou Istchee Baie-James (municipality), in the administrative region of Nord-du-Québec, in the Canadian province of Quebec, in Canada.

The hydrographic slope of the “Pauschikushish Ewiwach River” does not have a nearby access road; however, the northern route from Matagami passes 3.1 kilometres (1.9 mi) west of a curve of the “Pauschikushish Ewiwach River”.

The surface of the river is usually frozen from early November to mid-May, however, safe ice circulation is generally from mid-November to mid-April.

The main hydrographic slopes near the “Pauschikushish Ewiwach River” are: The “Pauschikushish Ewiwach River” has its source of a stream (elevation: 289 metres (948 ft)) surrounded by marsh and located at: From its source, the "Pauschikushish Ewiwach River" flows over 74.8 kilometres (46.5 mi) according to the following segments: Upper course of the' Pauschikushish Ewiwach River (segment of 57.4 kilometres (35.7 mi)) Lower section of the' Pauschikushish Ewiwach River (segment of 17.4 kilometres (10.8 mi)) The "Pauschikushish Ewiwach River" flows into a bay on the south shore of [Dana Lake (Eeyou Istchee Baie-James)] where the current flows north and east, where it flows into a bay west of Evans Lake.

The toponym "Pauschikushish Ewiwach River" was formalized on December 5, 1968, at the Commission de toponymie du Québec[3] Download coordinates as: