Located 185 miles north of Red Lake, it is an area of old growth/fire influenced boreal forest teaming with fish and wildlife. Large animals found here include caribou, moose, bear and wolf. Opasquia also contains an unusually high concentration of wolverines within its boundaries.
The main feature of geological interest is an exceptionally large glacial moraine with wave-cut terraces formed by the retreating Glacial Lake Agassiz. Access to Opasquia is by floatplane only so the possibilities of encountering others are as remote as the park itself.