No detected openings were recorded in the last 90 days. Campsite Sniper monitors Santiam Flats Campground continuously and will alert you if that changes.
Of the 261 tracked site-nights (Sep 18 – Sep 26, 2026): 167 open for online reservation · 12 reserved · 82 on sites not offered for online reservation (first-come, first-served or administrative).
Where the open windows are
Load status
Sep 18 – Sep 26, 2026Of the open site-nights on mapped sites, 114 fall on weekdays and 53 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Sep 2026September holds the most room. 167 of 261 site-nights are still open there.
Holiday windows
Sites open per night · of 29 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 |
Labor Day: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 02 | 6 |
| 03 | 6 |
| 04 | 6 |
| 05 | 6 |
| 06 | 6 |
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 snapshotThe next bookable night is Sep 21; the first open weekend starts Sep 25. Campsite Sniper can watch later dates for you.
Stays and site detail
Multi-night stays. 29 2-night, 29 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 21 at site 02.
RV length. Longest recorded site here is 75 ft. 29 sites take 25 ft, 28 sites take 35 ft, 28 sites take 40 ft.
All 29 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 02 | 25 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 03 | 45 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 04 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 05 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 06 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 07 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 08 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 09 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 10 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 11 | 50 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 12 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 14 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 15 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 16 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 17 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 18 | 45 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 19 | 75 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 21 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 22 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 23 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 24 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 26 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 27 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 29 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 30 | 45 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 31 | 40 ft | None | 6 | 6 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26 |
| 13 | 40 ft | None | 4 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24 |
| 25 | 40 ft | None | 4 | 3 nights | Sep 21, Sep 22, Sep 23, Sep 26 |
| 20 | 40 ft | None | 3 | 3 nights | Sep 21, Sep 22, Sep 23 |
About Santiam Flats Campground
Overview
Santiam Flats Campground provides 31 campsites, 26 single and 5 double, that can accommodate trailers up to 30 feet in length. Campground is now fully reservable. First come first serve is only available if no prior reservation has been made and only offered one night at a time. All sites are equipped with picnic tables and fire rings. Water is provided via individual faucet risers located throughout the campground. There are three single-vault toilets located in accessible locations throughout the campground. Trash receptacles are available in the campground.
There is No Day Use area in this campground.
Campfires allowed until and unless otherwise posted. Fire bans are common during summer months. Please plan accordingly.
Reservations for this site can be made up to 6 months in advance of arrival date by reserving online at RECREATION.GOV or by calling 877-444-6777.
Recreation
There is no Day Use availble in this campground.
Sailing, boating, water skiing and fishing are all excellent options for enjoying Detroit Lake. Catfish, rainbow trout and Kokanee salmon are among the most common species found in the lake.
Several hiking trails dot the area, including Stahlman Point Trail, which offers beautiful vistas of Detroit Lake and the surrounding area. The Hoover Nature Trail is an accessible, short footpath that delights many campers.
The Willamette National Forest has about 1,700 miles of trail. While many are in wilderness areas, a number of trails are low-elevation, easy-access trails for year-round hiking.
Facilities
Sites have picnic tables, grills and easy access to the vault toilets. Drinking water spigots are spread throughout the campground. Most campsites offer views of the lake. Santiam Flats does not have a boat launch ramp. Some of the sites are adjacent to the shoreline and mooring is allowed for paying campers only. There is no Day Use availble.
Natural Features
The campground lies in the Willamette National Forest, which stretches for 110 miles along the western slopes of the Cascade Range. The varied landscape of high mountains, narrow canyons, cascading streams and wooded slopes offer varied recreational opportunities for visitors.
Getting there
Travel 2.6 miles northeast of Detroit, Oregon. From Detroit, follow Highway 22 east for 2.6 miles to Blowout Road/Forest Service Road 10 on the right. Santiam Flats Campground in on the right.
View on Recreation.gov ↗ Get directions ↗
Photo gallery
FAQ
How do I get a reservation at Santiam Flats Campground?
Reservations for Santiam Flats Campground are made through Recreation.gov. 167 of 261 tracked site-nights are currently open (64%). 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 16:19 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.
Can I get a multi-night stay at Santiam Flats Campground?
29 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 21 at site 02. Confirm and book on Recreation.gov.
Which sites at Santiam Flats Campground 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 75 ft.
Which month has the most availability at Santiam Flats Campground?
September 2026, with 167 open site-nights in the current snapshot of 261.
When is the next open date at Santiam Flats Campground?
As of the Sep 18, 2026 snapshot: the next open date is Mon, Sep 21 and the next open weekend starts Fri, Sep 25. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
Stop refreshing. Let the app watch it.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Santiam Flats Campground. One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.