The Rivière du Cran (English: Cran River) is a tributary of Ashuapmushuan River, flowing in the unorganized territory of Lac-Ashuapmushuan and in the municipality of La Doré, 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 Cran river valley is mainly served by forest roads which connect north to the route 167.

[1] The Cran river originates at the mouth of Lac des Jaseurs (length: 0.6 km (0.37 mi) of triangular shape; altitude: 530 m (1,740 ft)).

The mouth of Lac des Jaseurs is located in a forest zone in the unorganized territory of Lac-Ashuapmushuan, at: From the mouth of Lac des Jaseurs, the Cran River flows over 69.7 km (43.3 mi) with a drop of 342 m (1,122 ft), especially in agricultural and village areas at the end of route, according to the following segments: The Cran river flows on the southwest bank of the Ashuapmushuan River.

This confluence is located upstream of five series of rapids including the Little fall at the Bear and the Great fall at the Bear, and at: From the mouth of the Cran river, the current descends the course of the Ashuapmushuan river on 59.8 km (37.2 mi), then crosses Lake Saint-Jean east on 41.1 km (25.5 mi) (its full length), follows the course of the Saguenay river via the Petite Décharge on 172.3 km (107.1 mi) eastwards to Tadoussac where it merges with the estuary of Saint Lawrence.