Washington winter RV camping: bookability is not a hookup
A selective Washington winter RV matrix separates advance booking, water location and exact-site hookups, including a clear warning on Sequim Bay's conflicting official guidance.
By RVCamping.info Research Desk | Conditions checked 2026-11-02 UTC
A green "open" label is not enough to plan a Washington winter RV stay. The campsite may be open but walk-up only. A reservable site may have no winter water. A park may advertise hookups without saying whether those hookups belong to the smaller set of sites that remains open.
Washington State Parks warns that campgrounds may close loops, shut down water systems and move sites to first-come status in winter.[1] We cross-referenced its 2026-27 winter schedule with current park pages, then kept the choices that expose the tradeoffs most clearly. The result is a booking-water-hookup matrix, not another list of every park marked open.
Start with the service you cannot compromise on
For a guaranteed powered stay, Beacon Rock is the cleanest match in this sample. Woodard Creek's A and B pads are bookable standard sites, while R1-R5 can be reserved with water, power and sewer.[1] The park page confirms that Woodard Creek has five full-hookup and two standard sites, with a 40-foot combination limit and a 12-foot-9-inch height limit.[2]
Penrose Point is narrower but unusually specific. Sites 1-22 remain open, reservations are accepted for open dates, and site 3 is reservable from November 1 through March 31 with water and electric. The water stays on in open loops unless freezing temperatures force a shutoff.[1] The park page also warns that campground roads are narrow and winding; most site parking is 35 feet.[3] If one known site is enough and the rig fits, that precision is useful.
The stronger utility packages are not always bookable. Ocean City moves its winter subset to first-come status from October 1 through May 14 and says water remains on.[1] Its current park page identifies ten Loop 4 full-utility sites; nine of those numbers also appear in the schedule's winter-open set.[4] That makes Ocean City a strong walk-up lead, not a guarantee that a full-utility pad will be waiting.
Maryhill follows the same pattern with a different water setup. Winter camping is first-come from November 1 through March 15. Water is centralized at the campground entrance, while the park page says electricity and sewer remain available at RV sites.[1][5] A camper can arrive with power and sewer available yet still need to fill the fresh tank away from the pedestal.
The compact winter matrix
| Park and winter route | Can you secure it ahead? | Winter water | Hookup reading | What changes the decision |
|---|---|---|---|---|
| Beacon Rock, Woodard Creek R1-R5 | Yes, year-round | Site water listed | Full hookup: water, power, sewer | Best documented reservation-plus-full-hookup match; check the 40-foot and 12-foot-9-inch limits.[1][2] |
| Penrose Point, site 3 | Yes, Nov. 1-Mar. 31 | At site unless freezing | Water and electric | The most specific single winter utility site in the reviewed set.[1] |
| Ocean City, named winter sites | No, first-come Oct. 1-May 14 | Water on | Nine published full-utility site numbers overlap the winter list | Strong utilities, but occupancy decides the outcome when you arrive.[1][4] |
| Maryhill, winter-open sites | No, first-come Nov. 1-Mar. 15 | Fill at entrance/dump area | Electricity and sewer at RV sites | Bring enough hose or arrive with the fresh tank filled.[1][5] |
| Potlatch, sites 1-27 | Yes, year-round | No winter water; dump closed | Park-wide partial-hookup count does not map utilities to the open subset | Reservation certainty does not solve the water problem.[1][6] |
| Moran, Mountain Lake and part of Midway | No, first-come Nov. 1-Mar. 31 | Fill near office; system and dump closed | No electrical hookup sites anywhere in the park | Treat it as dry camping with ferry logistics.[1][7] |
| Jarrell Cove, named site groups | Mixed within one campground | Fill near sites 8 and 10; campground water off | Two park-wide partial-hookup sites are not identified in current page text | Choose reservation certainty or walk-up flexibility, but do not infer a hookup.[1][9] |
| Sequim Bay | Official pages conflict | Fill at site 3; system off Nov. 15-Apr. 1 | Full-utility sites exist, but winter mapping is not stated | Do not rely on a booking label until the park or live inventory settles it.[1][8] |
This table is selective. Our underlying crosswalk covers 16 parks, including reserve-led, first-come and mixed campgrounds. The eight above carry the main decision better than an alphabetical inventory would: advance booking, water and pedestal service can separate in almost every combination.
A reservation can still mean carrying water
Potlatch is the useful counterexample to Beacon Rock. Sites 1-27 are reservable year-round, but the winter schedule says there is no winter water and the dump station is closed.[1] The park page reports 35 partial-hookup sites across the park without tying that inventory to sites 1-27.[6] A reservation confirms a place to camp; it does not prove that the selected pad has the park's advertised utility type.
Moran removes that ambiguity in the opposite direction. Its winter loops are first-come, the main water system and dump station close, and one fill point remains near the park office.[1] The park page says there are no electrical hookup sites anywhere in the park.[7] If your rig can dry-camp, Moran is a clear baseline. If shore power is mandatory, it drops out before ferry times or site availability enter the discussion.
Jarrell Cove shows why "reservable park" and "first-come park" can both be wrong labels. Three groups can be booked all year: 1 through 4, 8 through 11, and 15 through 17. Several other named sites switch to walk-up use in the off-season.[1] Winter water is available near sites 8 and 10 after the campground system is shut down. The park page says the campground has two partial-hookup sites, but it does not identify their numbers in the text we reviewed.[9]
Sequim Bay remains an official-page conflict
The 2026-27 winter schedule says Sequim Bay sites 5-25 are reservable year-round and sites 27-63 are first-come from September 16 to May 15.[1] The park page says reservations apply only to stays from May 15 through September 15 and all camping is first-come from September 16 through May 14.[8]
Those statements cannot both describe the same winter booking rule. The statewide reservations page says some parks have expanded seasons and directs readers to the winter schedule for exact dates and sites, which favors the schedule as the more specific source.[10] We still would not present sites 5-25 as settled fact. The safe reading is "official conflict": check the live inventory or call Sequim Bay before making the trip. Water is a separate issue; the schedule says the system is off from November 15 through April 1, with a winter supply at site 3.[1]
Use the exact site, not the park label
Run the checks in this order: booking status, exact-site utility class, then winter water location. If the booking screen does not name the hookup, do not borrow a park-wide amenity count. If the schedule gives one fill point, do not translate that into water at the pedestal. Weather can also force a shutoff where the schedule normally expects water to remain on.[1]
Recheck the winter schedule and the selected park page shortly before departure. For a walk-up campground, have a second option that fits the same utility minimum. For a reservable campground, save the exact site record rather than stopping at the confirmation number.
Source note: RVCamping.info built the 16-park crosswalk from the official winter schedule and individual park pages archived on 2026-11-02. The selective matrix and the booking-water-hookup sequence are original editorial synthesis.
Sources
- Winter Schedule | Washington State Parks; 2026-27 campground, reservation and winter utility details; accessed and archived 2026-11-02.
- Beacon Rock State Park | Washington State Parks; Woodard Creek inventory and RV limits; accessed and archived 2026-11-02.
- Penrose Point State Park | Washington State Parks; campground context; accessed and archived 2026-11-02.
- Ocean City State Park | Washington State Parks; current full-utility site list and park inventory; accessed and archived 2026-11-02.
- Maryhill State Park | Washington State Parks; winter water, electricity and sewer statement; accessed and archived 2026-11-02.
- Potlatch State Park | Washington State Parks; park-wide campsite inventory; accessed and archived 2026-11-02.
- Moran State Park | Washington State Parks; no-electrical-hookup statement; accessed and archived 2026-11-02.
- Sequim Bay State Park | Washington State Parks; conflicting off-season reservation statement; accessed and archived 2026-11-02.
- Jarrell Cove State Park | Washington State Parks; campground inventory; accessed and archived 2026-11-02.
- Reservation Parks | Washington State Parks; expanded-season guidance and direction to the winter schedule; accessed and archived 2026-11-02.
What's Your Reaction?
