Loading view. There were no results found. There were no results found. Wissahickon Environmental Center Events Venues Wissahickon Environmental Center 300 W. Northwestern Avenue Philadelphia, PA 19118 United States Get Directions 215-685-9285 https://www.facebook.com/WissahickonEnvironmentalCenter/?fref=ts Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file