More specifically, this river successively crosses the regional county municipalities of: The "Petite rivière Port-Daniel" is a tributary of the bay of Port-Daniel, located on the north shore of the Chaleur Bay; the latter in turn opens eastward onto the Gulf of St. Lawrence.

The upper part of the “Petite rivière Port-Daniel” flows more or less parallel to the east side of the Hall river.

This source of the river is located at: From its source, the "Petite rivière Port-Daniel" flows on 31.0 km (19.3 mi) towards the south, then the east, especially in forest and mountainous areas, divided into the following segments: Upper course of the river (segment of 12.4 km (7.7 mi)) Lower course of the river (segment of 18.6 km (11.6 mi)) This small barachois empties on the northeast side into the "Baie de Port-Daniel" passing under the bridge of route 132, which opens towards the South-East in the Chaleur Bay.

This bay, the width of which at the opening is 2.8 km (1.7 mi), is delimited by the "Cap de la Vieille" (on the east side) and by the Pointe du Sud-Ouest.

The toponym "Petite rivière Port-Daniel" was made official on December 5, 1968, at the Commission de toponymie du Québec.