Openings · last 7 days
0
01 · Detected Opening History · the openings record · file CS-233587
When Plymouth Park reopens
Plymouth Park's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
9
Openings · last 90 days
82
Weekday pattern
Detected openings by day of week · 90dNo strong weekday pattern is evident in the openings Campsite Sniper has detected: 82 openings spread across the week.
Hour-of-day pattern
First detected by hour · local time · last 90 daysThe largest concentrations of detected openings were first detected during the 01:00 and 17:00 local-time hours. Those hours contained 24 of 82 detected openings (29.3%). Hours show when Campsite Sniper first detected each opening, in Pacific Time, not when the change was made upstream.
Lead-time profile
Days before stay date · percentilesHalf of the openings Campsite Sniper detected appeared at least 5 days before the stay date; the middle 50% land 2–15 days out. Set an alert if you want Campsite Sniper to monitor future openings.
Highest-churn sites
Most openings · 90d| Site | Openings | Share of all openings |
|---|---|---|
| 11 | 9 | 11.0% |
| 08 | 9 | 11.0% |
| 07 | 7 | 8.5% |
| 12 | 7 | 8.5% |
| 21 | 5 | 6.1% |
Site 11 had the most detected openings in the last 90 days: 9. One free watch covers every site here.
02 · Availability Outlook · Nov 2, 2026 – May 3, 2027 · of 31 monitored sites
Of the 753 tracked site-nights (Nov 2, 2026 – May 3, 2027): 525 open for online reservation · 26 reserved · 38 on sites not offered for online reservation (first-come, first-served or administrative) · 164 unavailable (cause unspecified).
Where the open windows are
30.3% of tracked site-nights are not currently open for online reservation. 525 of 753 remain open; here is where they are.
Load status
Nov 2, 2026 – May 3, 2027Not open online30.3%
Open site-nights525 / 753
Reserved (of online inventory)26 / 551
Weekday openings277
Weekend openings248
Of the open site-nights on mapped sites, 277 fall on weekdays and 248 on weekends (Fri–Sun).
Open dates by month
Nov 2026 – May 2027November shows no online availability. 0 of 29 tracked site-nights are open there — 29 unavailable.
Holiday windows
Sites open per night · of 29 sites| Window | Night | Sites open | Status |
|---|---|---|---|
| Thanksgiving | THU Nov 26 | 0 | None open |
| FRI Nov 27 | 0 | None open | |
| SAT Nov 28 | 0 | None open | |
| Christmas | THU Dec 24 | 0 | None open |
| FRI Dec 25 | 0 | None open | |
| New Year | THU Dec 31 | 0 | None open |
| FRI Jan 1 | 0 | None open | |
| Memorial Day | FRI May 28 | 0 | None open |
| SAT May 29 | 0 | None open | |
| SUN May 30 | 0 | None open | |
| MON May 31 | 0 | None open |
Thanksgiving: no online availability on any tracked night. Christmas: no online availability on any tracked night. New Year: no online availability on any tracked night. Memorial Day: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 03 | 19 |
| 05 | 19 |
| 06 | 19 |
| 07 | 19 |
| 08 | 19 |
The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
Next windows
As of Nov 2, 2026 snapshotNext open dateThu · Apr 15, 2027
Next open weekendFri · Apr 16, 2027
November0 of 29 · unavailable
The next bookable night is Apr 15, 2027; the first open weekend starts Apr 16, 2027. Campsite Sniper can watch later dates for you.
Stays and site detail
525 open site-nights across 29 sites at Plymouth Park, from the same hourly snapshot as everything above.
Multi-night stays. 29 2-night, 29 3-night, 29 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Apr 15, 2027 at site 03.
RV length. Longest recorded site here is 55 ft. 28 sites take 25 ft, 28 sites take 35 ft, 27 sites take 40 ft. 1 site of 29 has no recorded maximum and is not counted.
All 29 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 03 | 49 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 05 | 43 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 06 | 46 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 07 | 41 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 08 | 42 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 10 | 44 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 11 | 42 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 12 | 47 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 13 | 44 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 14 | 42 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 15 | 45 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 17 | 43 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 18 | 46 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 19 | 55 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 21 | 44 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 22 | 43 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 23 | 54 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 25 | 35 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 26 | 40 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 27 | 45 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 28 | 44 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 29 | 45 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 30 | 42 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 31 | 45 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 32 | 45 ft | Yes | 19 | 19 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027 +7 more |
| 02 | 48 ft | Yes | 18 | 10 nights | Apr 15, 2027, Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 26, 2027, Apr 27, 2027 +6 more |
| 04 | 48 ft | Yes | 16 | 16 nights | Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027, Apr 27, 2027, Apr 28, 2027, Apr 29, 2027 +4 more |
| 16 | 46 ft | Yes | 15 | 15 nights | Apr 16, 2027, Apr 17, 2027, Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027, Apr 27, 2027 +3 more |
| Paradise | Not recorded | None | 1 | 1 night | Apr 18, 2027 |
About Plymouth Park
Overview
Plymouth Campground is located by the small town of Plymouth, Washington. The day use area and boat launch are on a small island on Lake Umatilla on the Columbia River.
Popular activities in the area include fishing, swimming, boating, water skiing and hunting.
Recreation
Visitors enjoy boating, water sports and swimming in the river.
Anglers fish for Chinook, steelhead, walleye, sturgeon, and shad. The boat ramp is located at the day use area for convenient river access.
Facilities
The campground offers 32 sites with electric hookups. Amenities include flush and pit toilets, showers, drinking water, a dump station and playground.
The day use area has a swim beach, boat ramp, flush toliets, vault toliet and courtesy dock.
Natural Features
The park is situated in a high desert environment on an island on the Columbia River. The island is covered with tall sage and Russian Olive trees, but shade is limited.
Wildlife is abundant in the area, and mule deer, waterfowl and raptors are commonly seen.
Nearby Attractions
McNary Dam and Visitor Center and Lake Wallula are two miles upstream from the campground. The lake offers additional opportunities for boating, swimming and fishing.
31 monitored sitesRVs up to 55 ft28 with hookups29 shadedWaterfrontRiverfrontPets OKFire pitsMax party 60
Getting there
From Kennewick, Washington take US-395 South or 23 Miles to Exit 131. Merge onto State Route 14 West and continue for 1 mile. Turn south onto Plymouth Road and continue for 1 mile. Follow the curve to Christie Road. The campground is the first left and the day use area is the second left.
Christy Rd, Plymouth, WA 99346541-739-1135
BirdingBoatingCampingDay Use AreaFishingKayakingStar GazingSwimming SiteTubingWater AccessWildlife Viewing
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-233587 · facility + sites
Photo gallery
Roll CS-233587 · Plymouth Park · Plymouth WA12 frames · facility + sites
FAQ
How do I get a reservation at Plymouth Park?
Reservations for Plymouth Park are made through Recreation.gov. 525 of 753 tracked site-nights are currently open (69.7%). Campsite Sniper has also detected 82 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
Does Campsite Sniper book this campground for me?
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
How current is this availability data?
Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Nov 2, 2026 17:20 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
How often do new openings appear at Plymouth Park?
Campsite Sniper detected 82 site-date openings here over the last 90 days, none in the last 7. A free alert watches around the clock and pings you the moment one appears.
Can I get a multi-night stay at Plymouth Park?
29 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Apr 15, 2027 at site 03. Confirm and book on Recreation.gov.
Which sites at Plymouth Park fit a 35-foot RV?
28 of the 29 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 55 ft. 28 of those 29 sites have a recorded maximum length and 1 does not; it is not counted as fitting.
Which month has the most availability at Plymouth Park?
April 2027, with 444 open site-nights in the current snapshot of 510.
How far ahead of a stay do openings appear at Plymouth Park?
Half of the openings Campsite Sniper detected appeared at least 5 days before the stay date; the middle 50% landed 2-15 days out. Campsite Sniper can monitor future changes for dates you select.
When is the next open date at Plymouth Park?
As of the Nov 2, 2026 snapshot: the next open date is Thu, Apr 15, 2027 and the next open weekend starts Fri, Apr 16, 2027. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.