Openings · last 7 days
0
01 · Detected Opening History · the openings record · file CS-251912
When Spillway Park - Chinook Shelter (OR) reopens
Spillway Park - Chinook Shelter (OR)'s openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
0
Openings · last 90 days
15
Only 15 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 · Apr 1 – May 3, 2027 · of 1 monitored site
Of the 33 tracked reservation dates (Apr 1 – May 3, 2027): 33 open for online reservation.
Where the open windows are
0% of tracked reservation dates are not currently open for online reservation. 33 of 33 remain open; here is where they are.
Load status
Apr 1 – May 3, 2027Not open online0%
Open reservation dates33 / 33
Reserved (of online inventory)0 / 33
Weekday openings18
Weekend openings15
Of the open reservation dates on mapped day-use units, 18 fall on weekdays and 15 on weekends (Fri–Sun).
Open dates by month
Apr 2027 – May 2027April holds the most room. 30 of 30 reservation dates are still open there.
Holiday windows — day use
Units open per date · of 1 shelter| Window | Date | Units open | Status |
|---|---|---|---|
| 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 |
Memorial Day: no online availability on any tracked date.
Availability by shelter
Most open reservation dates · tracked window| Shelter | Open reservation dates |
|---|---|
| 001 | 33 |
This shelter currently has 33 reservation dates available.
Tracked window
CoverageCampsite Sniper's data for this facility starts Apr 1, 2027. That is about 150 days after the current snapshot was taken, so dates before Apr 1, 2027 are not covered by what Campsite Sniper tracks here — they are not known to be unavailable. The reservation dates shown on this page describe Apr 1, 2027 onwards only. Check Recreation.gov for earlier dates.
Reservation dates
33 available reservation dates across 1 shelter at Spillway Park - Chinook Shelter (OR), from the same hourly snapshot as everything above.
All 1 shelter with current availability
| Shelter | Open reservation dates | Consecutive dates | Dates |
|---|---|---|---|
| 001 | 33 | 33 dates | Apr 1, 2027, Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027 +21 more |
About Spillway Park - Chinook Shelter (OR)
Overview
Spillway Park is located on Lake Umatilla just downstream of McNary Lock and Dam in eastern Oregon on the Mid-Columbia River.
Recreation
The park provides two overlooks to watch McNary Dam, a volleyball court and access to the McNary Dam Wildlife Area trail system.
Natural Features
The park is situated along the bank of the Columbia River. Day users can enjoy the relaxing shade as they get a beautiful look at McNary Dam.
Nearby Attractions
The Pacific Salmon Visitor Center, Oregon Fish Viewing Room and the McNary Dam Wildlife Area with its beautiful natural trails are all in close proximity to Spillway Park.
1 monitored shelterDay use1 shadedWaterfrontRiverfrontPets OKMax party 300
Getting there
From Highway 730 turn north on Devore Road, at the stop sign turn left and continue down the hill past McNary Dam's main parking lot and the Spillway Park Shelter will be on your right once get into the park.
Po Box 1230, Umatilla, OR 97882541-922-2268
Day Use AreaDisc GolfFishingHikingInformation SiteObservation SitePicnicking
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-251912 · facility
Photo gallery
Roll CS-251912 · Spillway Park - Chinook Shelter (OR) · Umatilla OR7 frames · facility
FAQ
How do I get a reservation at Spillway Park - Chinook Shelter (OR)?
Reservations for Spillway Park - Chinook Shelter (OR) are made through Recreation.gov. The current snapshot shows substantial availability: 33 of 33 tracked reservation dates are open (100%), though availability can change. Campsite Sniper has also detected 15 site openings here in the last 90 days, so further dates may appear. Pick the shelter on the map to see its reservation calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
Does Campsite Sniper book this facility 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 18:20 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 Spillway Park - Chinook Shelter (OR)?
Campsite Sniper detected 15 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.
Which month has the most availability at Spillway Park - Chinook Shelter (OR)?
April 2027, with 30 open reservation dates in the current snapshot of 30.
When is the next open date at Spillway Park - Chinook Shelter (OR)?
Campsite Sniper cannot answer that from the current snapshot. The availability data held for Spillway Park - Chinook Shelter (OR) begins Apr 1, 2027 — about 150 days after this snapshot was taken, so any earlier dates are outside what Campsite Sniper is tracking here rather than known to be unavailable. Check Recreation.gov for dates before Apr 1, 2027.
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Pick dates
Choose the reservation dates you want at Spillway Park - Chinook Shelter (OR).
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Get the ping
When a selected date becomes available, you get a push with a Recreation.gov link so you can review and book it yourself.