BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//NearbyGrid//Events//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:966d3fb8-a764-4d4e-b634-0613abca297f@nearbygrid.com
DTSTAMP:20261112T200111Z
DTSTART:20261122T190000Z
DTEND:20261122T200000Z
SEQUENCE:0
SUMMARY:FREE San Francisco: 250 Years on the Presidio guided walk
LOCATION:Presidio Visitor Center
DESCRIPTION:Walk with National Park Service rangers through Presidio Tunnel
  Tops and the historic Main Post on a flat half-mile route through Ohlone\
 , Spanish and U.S. Army history.\n\nFree walk. Presidio parking is paid.\n
 \nNearbyGrid lists this free event for discovery. We do not host or organi
 ze it. Registration\, capacity\, weather\, parking\, paid food or add-ons\
 , and schedule changes may apply. Open Details to confirm the latest date\
 , time\, location\, eligibility\, registration requirements\, and exclusio
 ns before you go.\n\nSource: https://presidio.gov/explore/events/presidio-
 guided-walk-250-years-on-the-presidio/2026-11-22/\n\nhttps://nearbygrid.co
 m/e/966d3fb8-a764-4d4e-b634-0613abca297f
URL:https://nearbygrid.com/e/966d3fb8-a764-4d4e-b634-0613abca297f
GEO:37.8019748;-122.4568312
STATUS:CONFIRMED
TRANSP:OPAQUE
END:VEVENT
END:VCALENDAR