国立公園の入場無料

4/20-4/28はNational Park Weekで初日の4/20は入場料が無料になります。

国立公園のNational Park Weekはこちら
国立公園のウェブサイトはこちら
国立公園の場所はこちら

Free National Park Entrance 

In celebration of National Park Week (April 20-28, 2019), all entrance fees are waived on Saturday, April 20.

National Park Week is here.
National Park Service Website is here.
National Park Location is here.