This valley is also served by some secondary forest roads, especially for forestry and recreational tourism activities.

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

Taking its source from Lac de la Belle Rivière (48°14′11″N 71°43′11″W / 48.23639°N 71.71972°W / 48.23639; -71.71972), this river is 33.8 km (21.0 mi) long.

This confluence is located at: From the mouth of La Belle Rivière on the east shore of lac Saint-Jean, the current goes north on 15.4 km (9.6 mi) crossing this last lake, follows the course of the Saguenay River via La Petite Décharge on 172.3 km (107.1 mi) until Tadoussac where it merges with the Saint Lawrence estuary.

[4][5] The toponym "La Belle Rivière" was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.