There is no fee to enter Castle Clinton National Monument. Enjoy your visit!
If you plan to visit other parks with an entrance fee, learn more about the America the Beautiful -
The National Parks and Federal Recreational Lands Pass series https://www.nps.gov/findapark/passes.htm
and fee-free days in the national parks https://www.nps.gov/findapark/feefreeparks.htm.
Last updated: February 11, 2015
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