John Heinz National Wildlife Refuge at Tinicum Location 8601 Lindbergh Blvd.PhiladelphiaPA19153 Next Event Early Fall Bird Walk at John Heinz National Wildlife Refuge in Philadelphia - September 13, 2026 - 9:00 am - 11:30 am Upcoming Events Early Fall Bird Walk at John Heinz National Wildlife Refuge in Philadelphia - September 13, 2026 - 9:00 am - 11:30 am
