WA. State Parks free days in 2020 include January 1st and 20th.

Credit: Washington State Parks
“Fish for free or visit Washington state parks on these 2020 dates”
“Daytime visits to Washington state parks will be free on 12 days in 2020, starting with Jan. 1.
“On other days of the year a Discover Pass will be needed for parking.
“June 6-7 will be the free fishing weekend, when no fishing licenses or endorsements are required in the state of Washington, along with no Discover Pass at state parks,” by Annette Cary, Tri-City Herald. Read more
▪ Jan. 1, a Wednesday, for New Year’s Day.
▪ Jan. 20, a Monday, for Martin Luther King Jr’s birthday.
▪ March 19, a Thursday, for State Parks’ 107th Birthday.
▪ April 11, a Saturday, for a spring day.
▪ April 22, a Wednesday, for Earth Day.
▪ June 6, a Saturday, for National Trails Day and also a free fishing day.
▪ June 7, a Sunday, for the free fishing day.
▪ June 13, a Saturday, for National Get Oudoors Day.
▪ Aug. 25, a Tuesday, for the National Park Service Birthday.
▪ Sept. 26, a Saturday, for National Public Lands Day
▪ Nov. 11, a Wednesday, for Veterans Day.
▪ Nov. 27, a Friday, for an autumn free day
To find a park to visit, check here.
Click here for free 2020 national park days.