Free Entrance to National Parks, Monday, January 21, 2019

Five Days of Free Entrance to National Parks in 2019
    January 21st – Martin Luther King, Jr. Day
    April 20th – First Day of National Park Week
    August 25th – National Park Service Anniversary
    September 28th – National Public Lands Day
    November 11th – Veterans Day
https://www.nps.gov/planyourvisit/fee-free-parks.htm