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

The secondary islands are: Okay, Refuge, Gordon, Dewar, Scott, Angover, Breakwater, Mermaid, Annie, Lorenzo, Rudolf, Arthur, Line Phony, Bark Letter, Graphite, Granite, Shatter, Labor Day, Lookout, Sioui, Stanislas, Needle, Martine, Francoise, Gabbro, Eugene, Henry, Last, Alphonse, Yvonne, Boulder and Take it Easy.

In his writings, explorer Henry O'Sullivan reports the gentle slope of the shores of the lake, interrupted to the north by the mountains of "The Wizard", Paint and Cummings.

In the history, the writing of the lake knew several variants: Shabagamog, Shabugama, Shibogama, Shobokoma, Chibougamou, Chibogamo, Shobogoma, Chibougamoo, Shabogama, Chibiogouma.

[3] In the Lac Chibougamau area, some mining sites are located on the Gouin Peninsula and northwest of the lake, including Merrill Island.