Commonwealth Of Pennsylvania--environmental Protection Department, Parks Bureau, Sinnemahoning State Park, George B Stevenson Dam Austin Austin, PA 16720 Phone : (814) 647-8401 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Government Offices-state--bureau Of State Parks, Sinnemahoning State Park 8288 First Fork Rd Austin, PA 16720 Phone : (814) 647-8401 Business Category Social Service & Welfare Organizations Campgrounds Parks & Playgrounds Recreational Vehicle Parks & Campsites Amusement & Recreation Community Services