It is located in Harmony Township, Forest County, Pennsylvania, and is part of the Allegheny Islands Wilderness in Allegheny National Forest.
It is a prime location for old growth, virgin, and river bottom forests.
The waters of the Allegheny River around the northwest side Island are a riffle habitat, a prime location for freshwater mussels.
Two abandoned oil wells can be found on the island.
This Forest County, Pennsylvania state location article is a stub.