The Licorne River is a tributary of the Ashuapmushuan Lake watershed, flowing into the unorganized territory of Lac-Ashuapmushuan in the Le Domaine-du-Roy Regional County Municipality, in the administrative region of Saguenay–Lac-Saint-Jean, in the province of Quebec, in Canada.

The valley of the Licorne River is mainly served by secondary forest roads for the needs of forestry activities.

These secondary roads are indirectly linked to route 212 (east–west direction) which cuts this valley towards the middle of the course of the river.

[2][4] The Licorne River draws its source from Lake Decharnay (length: 3.6 km (2.2 mi); altitude: 514 m (1,686 ft)).

This spring is located in a mountainous area in the unorganized territory of Lac-Ashuapmushuan at: From the mouth of Lake Decharnay, the Licorne river flows over 33.0 km (20.5 mi) with a drop of 143 m (469 ft), entirely in the forest zone, according to the following segments: The Licorne River flows onto the south bank of the Gabriel-Fleury Lake.