Moncouche Lake is located in the western part of the Laurentides Wildlife Reserve.

Some secondary forest roads serve this area for forestry and recreational tourism activities.

The surface of lake Moncouche 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.

The mouth of the lake is located to the southwest and is located at: From the mouth of Lake Moncouche, the current successively descends the Moncouche River over 6.0 kilometres (3.7 mi) generally towards the south; the Métabetchouane River generally north on 83.9 kilometres (52.1 mi) to the south shore of Lac Saint-Jean; the current crosses the latter on 22.8 kilometres (14.2 mi) towards the northeast, then follows the course of the Saguenay River via la Petite Décharge on 172.3 kilometres (107.1 mi) to Tadoussac where the current merges with the Estuary of Saint Lawrence.

[2] The toponym Lac Moncouche was formalized on December 5, 1968, by the Commission de toponymie du Québec.