This loop hike passes many remnants of former mining activity, including a barricaded mine used by hibernating bats and an abandoned cemetery, reaches a panoramic viewpoint, and follows an old railroad bed.
Take I-80 West to Exit 37 (Hibernia/Rockaway). At the bottom of the ramp, turn left onto Green Pond Road (County 513). Follow Green Pond Road north for 2.8 miles and turn right onto Lower Hibernia Road. Immediately turn left into a parking area for the Wildcat Ridge Wildlife Management Area.
From the parking area, the Four Birds Trail heads north on a woods road, running jointly with the orange-blazed Hibernia Brook Trail. To the right are the stone-and-concrete ruins of buildings that once processed ore extracted from the Hibernia Mines. In 300 feet, bear right to continue on the white-blazed Four Birds Trail (the orange-blazed Hibernia Mine Trail bears left here). In another 100 feet, follow the white blazes as they turn left onto another woods road.