This day celebrates the Washington State Parks' history and encourages public use, as Washington State Parks, was founded in 1913.
The Washington State Discover Pass gives you unlimited access to millions of acres of unforgettable nature across Washington state. When you buy a Discover Pass, you help preserve and conserve our public lands for everyone—from the first-time visitor to the expert adventurer—and for the generations yet to come.
Learn more at these websites about where Discover Passes are required at other times throughout the year: