The Rivière Port-Daniel du Milieu flows in the administrative region of Gaspésie–Îles-de-la-Madeleine, Quebec, Canada. More specifically, this river crosses successively:
The "Port-Daniel du Milieu river" takes its source from mountain streams in the southwest part of the township of Weir which is part of the unorganized territory of Rivière-Bonaventure. This source is located on the southern slope of the dividing line; Edgar brook draining the north slope. The upper part of the “Rivière Port-Daniel du Milieu” flows more or less parallel to the east side of the Petite rivière Port-Daniel. This source of the river is located at:
east of the eastern limit of the township of Honorat, located in the unorganized territory of Rivière-Bonaventure;
north of the limit of the township of Port-Daniel, located in the municipality of Port-Daniel–Gascons;
From its source, the "Rivière Port-Daniel du Milieu" flows on towards the South, then the South-East, especially in forest and mountainous areas, divided into the following segments:
towards the South, forming a curve towards the East, until the confluence of the creek of the discharge of "La Chaine de Lacs" ;
southward, up to the limit of the municipality of Port-Daniel–Gascons;
towards the south-east, up to the confluence of a stream ;
towards the south-east, collecting several streams, up to the confluence of a stream ;
towards the south-east, until the confluence of the Dubuc stream ;
towards the south-east, winding up to the confluence of the Grum stream ;
south-east to the confluence of the river.
The “Rivière Port-Daniel du Milieu” flows onto the north bank of the barachois in the hamlet of “Rivière-Port-Daniel du Milieu”, crossing the sandstone at low tide. This barachois is delimited on the east side by the “Pointe à la Croix” and on the south side by a jetty which juts out towards the north-east. These two strips of land are linked by the Canadian National railway bridge and by route 132. This barachois empties on the south-east side into the "Baie de Port-Daniel du Milieu", which opens towards the south-east into Chaleur Bay. This bay, the width of which at the openingis, is delimited by the "Cap de la Vieille" and by the Pointe du Sud-Ouest. The confluence of the river is located:
on the west side of the hamlet of “Rivière-Port-Daniel”;
