Sightseeing & food
| Location | Union, Washington |
|---|---|
| Nightly rate (listed) | $12–$51/night |
| Maximum RV length | 75 ft (longest listed site) |
| Hookups | electric |
| RV sites | 39 |
| Showers | Yes |
| Boat ramp | Yes |
| Playground | Yes |
| Book on | Washington State Parks |
From the park's listing on Washington State Parks. Confirm details with the park before you book.
More Washington RV parks with: Big Rig Sites
This weekend · Sold out Oct 30 – Nov 1No site open for all your nights
Twanoh State Park is a Washington State Parks campground in Union. It lists 39 RV or RV/tent sites and 18 tent sites for rigs up to 40 ft. Listed amenities include showers, a dump station, a boat ramp and a playground.
Notice
Applies to stays 2026-06-01 to 2027-05-26.
Reservations for campsites at Twanoh State Park are closed for dates starting July 5, 2026 through spring of 2027 for a shoreline restoration project. Specifics dates and details will be published when available.
From the Washington State Parks booking site, checked Oct 25, 2026.
Checking 2 nights (your saved dates or this weekend). Tell us what you're staying in to see matching sites and prices.
Availability checked Oct 26 on Washington State Parks. Rates are the provider's nightly rates; totals are estimates before taxes & fees.
You book with the provider. Each row shows that provider's lowest open option for your dates, and which provider our main button uses.
Availability checked Oct 26 on Going to Camp. Showing 40 of 71 sites.
| Site | Fr 30 | Sa 31 | Price |
|---|---|---|---|
| P9 | X | X | $12 |
| P8 | X | X | $12 |
| P7 | X | X | $12 |
| P6 | X | X | $12 |
| P5 | X | X | $12 |
| P4 | X | X | $12 |
| P3 | X | X | $12 |
| P2 | X | X | $12 |
| P1 | X | X | $12 |
| HB1 | X | X | $12 |
| B7 | U | U | $23 |
This weekend (Fri, Oct 30 – Sun, Nov 1): Book online. Reservations online on Washington State Parks — open dates and rates come from the booking site.
Longest RV site listed: 40 ft. Unsure if your rig fits? Check it in the Rig Fit tool
12190 E Highway 106
Open in Google Maps ↗
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.
| Agency / operator | Not listed |
|---|---|
| Booking | Online via washington.goingtocamp.com (booking listing; window not listed) |
| Max RV / trailer length | Not listed |
| Bear storage | Not listed |
Picks are 40 ft or shorter: the longest RV site listed here. Pickup area: Seattle (Seattle-Tacoma International (SEA)), about 32 mi straight-line from Twanoh State Park. RV rentals in Seattle
Pick up in Seabeck
Pick up in Port Orchard
Pick up in Port Orchard| B6 |
| U |
| U |
| $23 |
| B5 | U | U | $23 |
| B4 | U | U | $23 |
| B3 | U | U | $23 |
| B2 | U | U | $23 |
| B1 | U | U | $23 |
| M10 | X | X | $23 |
| M9 | X | X | $23 |
| M8 | X | X | $23 |
| M7 | X | X | $23 |
| M6 | X | X | $23 |
| M5 | X | X | $23 |
| M4 | X | X | $23 |
| M3 | X | X | $23 |
| M2 | X | X | $23 |
| M1 | X | X | $23 |
| 6 | X | X | $23 |
| 18 | C | C | $23 |
| 3 | X | X | $23 |
| 5 | X | X | $23 |
| 24 | C | C | $23 |
| 11 | X | X | $23 |
| 34 | X | X | $23 |
| 31 | X | X | $23 |
| 33 | X | X | $23 |
| 10 | X | X | $23 |
| 32 | X | X | $23 |
| 29 | X | X | $23 |
| 8 | X | X | $23 |
✓ available · R reserved · X not available · C closed · W first come, first served · N not yet released
| Season | Not listed |
|---|
| Hookups | Not listed |
|---|
"Not listed" means no source we use states it.
Official facts link to their source; “Listing” facts come from the washington.goingtocamp.com listing. Anything we can't source says so.
Closest stays by type. Distances are straight-line from Twanoh State Park, not driving.
Available Oct 30 – Nov 1 · 2 nights44 sites open for every night
Available Oct 30 – Nov 1 · 2 nights6 sites open for every night
Available Oct 30 – Nov 1 · 2 nights20 sites open for every night
