The rivière Noire du Milieu (Black River of the Middle) is a tributary of the south shore of the Noire River, flowing entirely into the unorganized territory of Mont-Élie, Quebec, in the Charlevoix-Est Regional County Municipality, in Capitale-Nationale, in Quebec, Canada.

The lower part of this valley is served by route 170 which links Saint-Siméon to Petit-Saguenay, which passes on the north shore of the Noire River.

The surface of the Black River Middle is usually frozen from early December to late March, however, safe ice movement is generally from mid-December to mid-March.

The main hydrographic slopes near the Black River are: The "rivière Noire du Milieu" originates at the mouth of Lake Plongeon (length: 3.2 km (2.0 mi), altitude: 429 m (1,407 ft)).

This source is located at: From its source (Plongeon Lake), the course of the "rivière Noire du Milieu" descends on 9.9 km (6.2 mi) according to the following segments: The mouth of the Middle Black River empties onto the south bank of the Black River in Mont-Élie.