The Rivière Mistassini is located in the Saguenay–Lac-Saint-Jean region of Quebec, Canada. The described paddling route covers approximately 80 kilometres, running from km 80 downstream to km 0, and is rated easy with no rapids, making it accessible to a wide range of paddlers including those without whitewater experience.

The route is typically completed over three relaxed days, with each day covering roughly 75 to 87 kilometres of paddling depending on the segment. The river is noted for its fine sandy beaches, which provide natural stopping and camping points along the way. The scenery is described as varied throughout the route.

bridge crossings that serve as put-in and take-out locations, with parking available at these sites. GPS waypoints are available for the route, with 13 points of interest documented along the way.

The overall character of the paddling experience on this stretch of the Mistassini is calm and unhurried. The absence of rapids and the presence of sandy beaches contribute to a straightforward downstream journey suited to canoeists and kayakers looking for a multi-day flatwater trip in a natural setting.