Park Rangers will host a pumpkin carving party; come carve your own spooky Jack-O-Lantern for Halloween! A limited number of pumpkins will be available (or bring your own). We'll provide all other materials. No pets (except service dogs) are allowed. Adverse weather or poor air quality may cancel; check the calendar or call (415) 435-9212 two hours before the event to confirm the status. Registration required.