Twanoh State Park
October 2026
About
Twanoh State Park is a 182-acre marine camping park with 3,167 feet of saltwater shoreline on Hood Canal in South Puget Sound. The park is known for its warm saltwater swimming, scenic beauty, and abundant shellfish.
Is Twanoh State Park fully booked?
A campground showing no availability is almost never full for good. People cancel — plans change, weather turns, someone books three weekends and keeps one — and the site goes straight back into the booking system, usually without warning and often at odd hours. The reason sold-out campgrounds feel impossible is not that sites never free up; it is that nobody is watching at the moment they do.
CampHawk watches Twanoh State Park in Union, WA for you. We recheck it every 15 seconds, around the clock, and the moment a site opens we send a text, an email and a push notification, with a link straight to the booking page.
Searching is free and needs no account — the calendar above is live right now. Watching Twanoh State Park for cancellations is the paid part.