Jours où les parcs nationaux sont gratuits en 2015

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1. Visit on a Fee-Free Day
Entrance fees to all U.S. National Parks will be waived on the following dates in 2015:

January 19 – Martin Luther King Jr. Day
February 14-16 – Presidents Day weekend
April 18-19 – opening weekend of National Park Week
August 25 – National Park Service Birthday
September 26 – National Public Lands Day
November 11 – Veterans Day