Lac-Walker is an unorganized territory in the Côte-Nord region of Quebec, Canada.

It makes up more than half of the Sept-Rivières Regional County Municipality.

The eponymous Lake Walker, named after Hovenden Walker, is about 33 kilometres (21 mi) long and has steep rock walls.

It is located in the Port-Cartier-Sept-Îles Wildlife Reserve, that offers many outdoor recreation activities.

[4] Private dwellings occupied by usual residents (2021): 50 (total dwellings: 59)[3] Media related to Lac-Walker, Quebec at Wikimedia Commons