A few other secondary forest roads serve the "rivière du Moulin" valley, mainly for forestry and recreational tourism activities.

In addition to the urban and industrial area, crossing the Chicoutimi sector of the city of Saguenay, forestry is the main economic activity in this valley; recreational tourism, second.

The surface of the Moulin river 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, except in the rapids zone.

The "rivière du Moulin" takes its name from the Sawmill built by Peter McLeod father around 1810 on the river, while he was employed by the Company North West.

It originates in the Lac du Moulin (length: 1.8 km (1.1 mi)) in the Laurentides Wildlife Reserve.

[A 7] The "rivière du Moulin" crosses two geomorphological regions; the Laurentian Mountains) and the lowlands of the Saguenay from Laterrière and downstream.