Fern Cave NWR is located two miles north of Paint Rock, Alabama. The Refuge borders Paint Rock River on the south and consists of upland hardwoods and limestone rock out crops. The cave has five hidden entrances and is critical habitat for endangered gray and Indiana bats. Over a million gray bats hibernate in Fern Cave, as do several hundred endangered Indiana bats. Fern Cave also has the threatened American hart's tongue fern at one of its entrances.
