Castle Clinton National Monument
Trailie
Build your Castle Clinton itinerary
Tell Trailie your dates, pace, and interests — get a day-by-day Castle Clinton National Monument plan with hikes, drives, and must-see stops.
Castle Clinton at a glance
- Best time
- April–May, September–October
- Trip length
- Half day–1 day
- Don't miss
- Main Castle Clinton highlights — see Things to Do for current listings
- Nearby city
- New York, NY
Explore this park
About Castle Clinton National Monument
Located at the southern tip of Manhattan, Castle Clinton marks the place where New York City began and reflects the growth of both the city and the nation. Built to defend the harbor during the War of 1812, it has since welcomed theatergoers, immigrants, and sightseers—and today continues to greet millions of visitors to New York Harbor.
No current NPS alerts
The National Park Service has no active alerts listed for Castle Clinton National Monument. Conditions change quickly — check again before you go.
Source: National Park Service (as of Nov 11, 2026). Official Castle Clinton National Monument page on nps.gov
Weather Information
Castle Clinton National Monument has a variety of weather. New York City has hot summers and cold winters.
- Spring
can have heavy rains and
- Fall
can be cool.
Operating Hours
Castle Clinton is open daily except Thanksgiving day and Christmas Day.
- Monday7:45AM - 5:00PM
- Tuesday7:45AM - 5:00PM
- Wednesday7:45AM - 5:00PM
- Thursday7:45AM - 5:00PM
- Friday7:45AM - 5:00PM
- Saturday7:45AM - 5:00PM
- Sunday7:45AM - 5:00PM
Common questions
Planning Castle Clinton National Monument
The summary above covers timing and highlights. These go deeper on reservations, crowds, and logistics.
Reservation rules vary by season and activity for Castle Clinton. See Overview on this page for fees, timed entry, and campground details before you travel.
