Covering approximately 6,423 square kilometres, it features extensive boreal forests, rugged landscapes, rivers, and numerous lakes. The reserve is especially known for Lac Walker, a spectacular deep lake surrounded by steep rocky cliffs, as well as its excellent fishing opportunities, wildlife habitats, and outdoor recreation. Visitors can explore hiking trails, paddle across peaceful lakes, camp in natural surroundings, and stay in cabins or rustic camps.

Best Features:
- Vast protected wilderness covering approximately 6,423 square kilometres.
- Lac Walker, renowned for its impressive depth and dramatic rocky cliffs.
- More than 200 accessible lakes and numerous rivers.
- Rich fishing opportunities, including brook trout, Arctic char, and Atlantic salmon in designated waters.
- Boreal forests supporting wildlife such as moose, black bears, beavers, foxes, and various bird species.

Why It's Popular:
The Réserve faunique de Port-Cartier–Sept-Îles is popular for its spectacular northern landscapes, excellent fishing, and wide range of outdoor adventures. Lac Walker is a major attraction because of its deep waters and impressive surrounding cliffs. Visitors also enjoy hiking to waterfalls and viewpoints, exploring remote lakes by canoe or kayak, and camping beneath the stars.