The forest road Route 167 linking Chibougamau and Saint-Félicien, Quebec passes to the northeast of the lake, as well as the Canadian National Railway.

[1][2][3][4][5] The toponym "Lac Ashuapmushuan" was formalized on October 5, 1982, by the Commission de toponymie du Québec.

[6] In 1685, French fur traders set up a trading post near Lake Ashuapmushuan that remained almost continuously in operation until the middle of the 19th century.

In addition, a third bay stretches 0.5 metres (1 ft 8 in) northeasterly from its southern tip to the mouth of the Licorne River.

The surface of Ashuapmushuan Lake is usually frozen from early November to mid-May, however, safe ice movement is generally from mid-November to mid-April.