Castle Clinton National Monument
New York
Free entry
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.
Topics
No entrance fee.
Hours
Castle Clinton is open daily except Thanksgiving day and Christmas Day.
Conditions
Weather now: ☁️ Overcast, 77°F
🌧️ 77°/65°
🌧️ 75°/68°
☁️ 84°/63°
Visitor centers
Castle Clinton NM
Not an official safety source — always defer to NPS.gov and rangers for life-safety decisions.
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