 The Cumberland County Biker/Hiker Trail lies on the former bed of the South Mountain Railroad where remnant of its rich history can still be found in the Park today.The majority of the Cumberland County Biker/Hiker Trail is well paved and is made from asphalt and cinder.The trail begins with a paved path to the Fuller Lake Day Use Area where it then turns to crushed stone and moves on towards Laurel Forge Pond.