Water levels on the lake are influenced by the Twin Falls Dam on the Abitibi River.

[4] Pointe Abitibi at the mouth of the Duparquet River is a National Historic Site of Canada.

[6] Artifacts dating to the Late Archaic period have been found at Lake Abitibi.

[7] Application of Abitibi to describe the lake and the people living in the area around it was first noted in The Jesuit Relations in 1640.

[10] After the British conquered Canada in 1763, free traders either took over the French fort or built another post on the lake, providing strong trading competition to the main Hudson's Bay Company (HBC) fort at Moose Factory and the HBC outpost at Frederick House.

[13][16] The park is an important nesting habitat for many bird species, including great blue heron, bald eagle, osprey, and double-crested cormorant.