It crosses the administrative regions of: The "rivière à Pierre" river valley is served by some forest roads for the needs of forestry and recreational tourism activities.

The surface of the "Rivière à Pierre" is usually frozen from the beginning of December to the end of March, however the safe circulation on the ice is generally done from mid-December to mid-March.

This source is located at: From its source (Girard Lake), the course of the "rivière à Pierre" flows over 19.8 km (12.3 mi) according to the following segments: The Pierre river flows into a small bay on the west shore of Lake Ha!

River on 38.9 km (24.2 mi) generally towards the north, crosses the Baie des Ha!

The toponym "Rivière à Pierre" was formalized on December 5, 1968, by the Commission de toponymie du Québec.