Washington State Parks · Washington
Twanoh State Park
Washington State Parks · Washington, United States
- Sites
- 48
- Hookups
- 22 electric, 22 with water, 26 no hookups
- Max RV length
- 35 ft
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Pets
- Yes
- Elevation
- 0 ft
- Dark sky
- Bortle class 3
- Cell coverage
- Verizon good · T-Mobile none · AT&T none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Nearest town
- Union
- Address
- 12190 E Highway 106
- Phone
- (360) 275-2222
- Activities
- Bird Watching, Boating, Fishing, Hiking, Horseshoe Pits, Metal Detecting, Swimming, Wildlife Viewing
47 numbered sites are mapped one by one - open the site map to pick yours.
About
Twanoh State Park is a Washington State Park with 48 campsites available for camping.
Fees
Washington State Parks' published statewide camping rate schedule varies by season: Standard sites $23-43/night, Partial-utility (water/electric) sites $35-56/night, Full-utility sites $41-56/night, Primitive sites $12/night flat year-round (peak season is May 15-Sept 15, shoulder Apr 1-May 14 & Sept 16-Oct 31, winter is Nov-Mar). Plus a $10/night extra-vehicle fee and an $8 (online) or $10 (phone) reservation fee, with an additional $15/reservation surcharge for non-residents. A Discover Pass is not required for day-use parking once a camping fee has been paid at that park. (Source: parks.wa.gov/passes-permits/fees.)
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 46° | 38° | 26° | 57° | 4 of 11 |
| February | 46° | 37° | 27° | 57° | 4 of 11 |
| March | 50° | 38° | 32° | 69° | 2 of 11 |
| April | 55° | 41° | 34° | 75° | 0 of 11 |
| May | 63° | 50° | 42° | 88° | 0 of 11 |
| June | 66° | 52° | 46° | 90° | 0 of 11 |
| July | 77° | 58° | 53° | 97° | 0 of 11 |
| August | 79° | 61° | 56° | 96° | 0 of 11 |
| September | 70° | 57° | 50° | 91° | 0 of 11 |
| October | 59° | 49° | 43° | 81° | 0 of 10 |
| November | 51° | 43° | 36° | 59° | 0 of 10 |
| December | 46° | 39° | 30° | 57° | 2 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Belfair State Park · Washington State Parks · 6 mi
- Jarrell Cove State Park · Washington State Parks · 8 mi · 13 sites
- Potlatch State Park · Washington State Parks · 9 mi · 75 sites
- Skokomish Park at Lake Cushman Campground · Tribal Lands · 13 mi · 61 sites
- Joemma Beach State Park · Washington State Parks · 13 mi
All public campgrounds in Washington · Every state and province · Facts read from the operator 2026-08-23. Confirm fees, rules and current status with the operator before you go.