The reserve protects a remarkable variety of ecosystems, including boreal forests, alpine tundra, rocky mountain summits, and fragile northern plant communities. Several peaks rise above 1,000 metres, creating spectacular wilderness landscapes. The area is also important for Indigenous cultural heritage, scientific research, and biodiversity conservation.

Best Features:
- Extensive protected wilderness covering approximately 1,382 square kilometres.
- Monts Groulx mountain range with rugged peaks and elevated plateaus.
- Fragile Arctic-alpine tundra with rare northern plant communities.
- Extensive boreal forests dominated by spruce and other northern vegetation.

Why It's Popular:
Uapishka Biodiversity Reserve is popular among experienced hikers, nature enthusiasts, photographers, and outdoor adventurers because of its remote mountain scenery, distinctive alpine ecosystems, and exceptional biodiversity. The Monts Groulx offer opportunities to explore rugged wilderness and experience landscapes that resemble Arctic environments.