Openings · last 7 days
16
Booking reality
Campsite Sniper detected 16 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-10064768
When Porcupine Bay Campground reopens
Porcupine Bay Campground's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
35
Openings · last 90 days
35
Only 35 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
02 · Availability Outlook · Sep 18, 2026 – Mar 19, 2027 · of 20 monitored sites
Of the 3,477 tracked site-nights (Sep 18, 2026 – Mar 19, 2027): 1,343 open for online reservation · 63 reserved · 2,071 closed.
Where the open windows are
61.4% of tracked site-nights are not currently open for online reservation. 1,343 of 3,477 remain open; here is where they are.
Load status
Sep 18, 2026 – Mar 19, 2027Not open online61.4%
Open site-nights1,343 / 3,477
Reserved (of online inventory)63 / 1,406
Weekday openings755
Weekend openings588
Of the open site-nights on mapped sites, 755 fall on weekdays and 588 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Mar 2027December shows no online availability. 0 of 589 tracked site-nights are open there — 589 closed.
Holiday windows
Sites open per night · of 19 sites| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 0 | None open | |
| Thanksgiving | THU Nov 26 | 19 | Open |
| FRI Nov 27 | 19 | Open | |
| SAT Nov 28 | 19 | 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 |
Labor Day: no online availability on any tracked night. Thanksgiving: 19 sites are available for the complete three-night stay. Christmas: no online availability on any tracked night. New Year: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 05 | 74 |
| 08 | 74 |
| 09 | 74 |
| 10 | 74 |
| 12 | 74 |
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 Sep 18, 2026 snapshotNext open dateFri · Sep 18
Next open weekendFri · Sep 18
December0 of 589 · closed
The next bookable night is Sep 18; the first open weekend starts Sep 18. Campsite Sniper can watch later dates for you.
Stays and site detail
1,343 open site-nights across 19 sites at Porcupine Bay Campground, from the same hourly snapshot as everything above.
Multi-night stays. 30 2-night, 30 3-night, 23 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 18 at site 05.
RV length. Longest recorded site here is 44 ft. 14 sites take 25 ft, 5 sites take 35 ft, 2 sites take 40 ft.
All 19 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 05 | 18 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 08 | 27 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 09 | 29 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 10 | 22 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 12 | 40 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 13 | 20 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 15 | 27 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 16 | 24 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 17 | 35 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 19 | 30 ft | None | 74 | 74 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +62 more |
| 14 | 44 ft | None | 73 | 73 nights | Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 +61 more |
| 20 | 26 ft | None | 71 | 65 nights | Sep 18, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2 +59 more |
| 03 | 22 ft | None | 70 | 51 nights | Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30 +58 more |
| 07 | 35 ft | None | 69 | 64 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4 +57 more |
| 01 | 30 ft | None | 68 | 63 nights | Sep 18, Sep 20, Sep 23, Sep 24, Sep 25, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 +56 more |
| 02 | 28 ft | None | 67 | 57 nights | Sep 18, Sep 20, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6 +55 more |
| 06 | 25 ft | None | 65 | 51 nights | Sep 20, Sep 21, Sep 22, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6 +53 more |
| 04 | 26 ft | None | 62 | 51 nights | Sep 19, Sep 20, Sep 21, Sep 22, Sep 30, Oct 1, Oct 2, Oct 4, Oct 5, Oct 6, Oct 7, Oct 11 +50 more |
| 11 | 35 ft | None | 58 | 41 nights | Sep 20, Sep 24, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10 +46 more |
About Porcupine Bay Campground
Overview
Porcupine Bay Campground is a popular amoung campers and boaters alike. It is nestled amount ponderosa pines and shrubs along the Spokane Arm of Lake Roosevelt National Recreation Area.
Lake Roosevelt is a 130-mile lake of the Columbia River created by the Grand Coulee Dam. Named after President Franklin D. Roosevelt, it is part of the Lake Roosevelt National Recreation Area and managed by the National Park Service.
Recreation
Porcupine Bay is located along the shoreline of the Spokane River giving it a secluded feel. Birders often see Peregrine falcons, Blue herons, finches, Bald eagles, osprey and even the occasional Golden eagle.
The lake is abundant with walleye, bass, rainbow trout and salmon, making it a popular place for fishing throughout the year; however, the bay does freeze in winter.
Facilities
The campground has 31 individual sites. It is open year-round, however drinking water is shut off in winter and sites are not plowed. Davenport is the closest town for campers to replenish basic goods.
This campground is by reservation only. No first come sites available.
Natural Features
Porcupine Bay lies on the water amidst Ponderosa pines and shrubs. It is located on the Spokane Arm of Lake Roosevelt. The lake has comfortable temperatures during summer, even though much of the water originates from glaciers and snow in the cold, high Canadian Rockies. The lake area is abundant with wildlife, including moose, elk, deer, bighorn sheep, birds and fish.
Nearby Attractions
Ft. Spokane Visitor center is 10 miles north on HWY 25 from the turn off to Porcupine Bay Campground. It is open during the day From Memorial Day through Labor Day.
20 monitored sitesRVs up to 44 ftNo hookups19 shadedWaterfrontLakefrontPets OKFire pitsMax party 10
Getting there
Take State Highway 2 west of Spokane for 32 miles. Turn north on State Highway 25 at the town of Davenport and travel 12 miles. Take a right on Porcupine Bay Rd. Follow the road about 7 miles to the campground.
Lake Roosevelt National Recreation Area, Davenport, WA 99122509-754-7889
BoatingCampingCanoeingFishingPicnickingWater Access
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-10064768 · facility + sites
Photo gallery
Roll CS-10064768 · Porcupine Bay Campground · Davenport WA12 frames · facility + sites
FAQ
How do I get a reservation at Porcupine Bay Campground?
Reservations for Porcupine Bay Campground are made through Recreation.gov. 1,343 of 3,477 tracked site-nights are currently open (38.6%). Campsite Sniper has also detected 35 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 Sep 18, 2026 15:19 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 Porcupine Bay Campground?
Campsite Sniper detected 16 site-date openings at Porcupine Bay Campground in the last 7 days, 35 over 30 days and 35 over the last 90.
Can I get a multi-night stay at Porcupine Bay Campground?
30 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 18 at site 05. Confirm and book on Recreation.gov.
Which sites at Porcupine Bay Campground fit a 35-foot RV?
5 of the 19 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 44 ft.
Which month has the most availability at Porcupine Bay Campground?
October 2026, with 572 open site-nights in the current snapshot of 589.
When is the next open date at Porcupine Bay Campground?
As of the Sep 18, 2026 snapshot: the next open date is Fri, Sep 18 and the next open weekend starts Fri, Sep 18. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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