Washington State Parks · Washington
Seaquest State Park
Washington State Parks · Washington, United States
- Group sites
- Yes
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- Yes
- Pets
- Yes
- Elevation
- 528 ft
- Dark sky
- Bortle class 3
- Cell coverage
- AT&T weak · Verizon weak · T-Mobile none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Nearest town
- Castle Rock
- Address
- 3030 Spirit Lake Highway
- Phone
- (360) 644-5235
- Activities
- Biking, Hiking, Horseshoe Pits, Volleyball, Wildlife Viewing
96 numbered sites are mapped one by one - open the site map to pick yours.
About
Seaquest State Park is a Washington State Park with camping available.
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° | 35° | 9° | 58° | 8 of 11 |
| February | 45° | 34° | 22° | 61° | 9 of 11 |
| March | 50° | 35° | 27° | 70° | 7 of 11 |
| April | 54° | 39° | 26° | 73° | 3 of 11 |
| May | 60° | 47° | 40° | 87° | 0 of 11 |
| June | 64° | 49° | 42° | 91° | 0 of 11 |
| July | 75° | 54° | 49° | 98° | 0 of 11 |
| August | 78° | 57° | 50° | 99° | 0 of 11 |
| September | 70° | 53° | 45° | 93° | 0 of 11 |
| October | 58° | 46° | 36° | 84° | 0 of 10 |
| November | 51° | 40° | 28° | 62° | 4 of 10 |
| December | 45° | 35° | 26° | 61° | 6 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
- Harry Gardner Park and Campground · City, County & Regional Parks · 6 mi · 22 sites
- Lewis and Clark State Park (SW Washington) · Washington State Parks · 16 mi
- Mayfield Lake Park Campground · City, County & Regional Parks · 21 mi · 66 sites
- Ike Kinswa State Park · Washington State Parks · 23 mi
- Mossyrock Park Campground · City, County & Regional Parks · 24 mi · 164 sites
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.