Openings · last 7 days
30
Booking reality
Campsite Sniper detected 30 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-231975
When Barton Flats reopens
Barton Flats's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
61
Openings · last 90 days
65
Weekday pattern
Detected openings by day of week · 90dNo strong weekday pattern is evident in the openings Campsite Sniper has detected: 65 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 14:00 and 15:00 local-time hours. Those hours contained 32 of 65 detected openings (49.2%). 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 21 days before the stay date; the middle 50% land 13–32 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 |
|---|---|---|
| 034 | 12 | 18.5% |
| 021 | 8 | 12.3% |
| 037 | 7 | 10.8% |
| 038 | 6 | 9.2% |
| 029 | 6 | 9.2% |
Site 034 had the most detected openings in the last 90 days: 12. One free watch covers every site here.
02 · Availability Outlook · Sep 18 – Oct 24, 2026 · of 52 monitored sites
Of the 1,924 tracked site-nights (Sep 18 – Oct 24, 2026): 1,094 open for online reservation · 830 reserved.
Where the open windows are
43.1% of tracked site-nights are not currently open for online reservation. 1,094 of 1,924 remain open; here is where they are.
Load status
Sep 18 – Oct 24, 2026Not open online43.1%
Open site-nights1,094 / 1,924
Reserved (of online inventory)830 / 1,924
Weekday openings924
Weekend openings170
Of the open site-nights on mapped sites, 924 fall on weekdays and 170 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Oct 2026October holds the most room. 693 of 1,248 site-nights are still open there.
Holiday windows
Sites open per night · of 52 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 |
|---|---|
| 001 | 24 |
| 002 | 24 |
| 005 | 24 |
| 008 | 24 |
| 011 | 24 |
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 dateSun · Sep 20
The next bookable night is Sep 20. Campsite Sniper can watch later dates for you.
Stays and site detail
1,094 open site-nights across 52 sites at Barton Flats, from the same hourly snapshot as everything above.
Multi-night stays. 245 2-night, 232 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 20 at site 001.
RV length. Longest recorded site here is 35 ft. 52 sites take 25 ft, 52 sites take 35 ft.
All 52 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 001 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 002 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 005 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 008 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 011 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 012 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 019 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 023 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 025 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 035 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 041 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 042 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 043 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 048 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 052 | 35 ft | None | 24 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +12 more |
| 003 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6 +11 more |
| 007 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +11 more |
| 009 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6 +11 more |
| 010 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +11 more |
| 022 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +11 more |
| 026 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6 +11 more |
| 027 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +11 more |
| 030 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +11 more |
| 044 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +11 more |
| 049 | 35 ft | None | 23 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6 +11 more |
| 006 | 35 ft | None | 22 | 5 nights | Sep 20, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6 +10 more |
| 015 | 35 ft | None | 22 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +10 more |
| 020 | 35 ft | None | 22 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6 +10 more |
| 028 | 35 ft | None | 22 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7 +10 more |
| 040 | 35 ft | None | 22 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7 +10 more |
| 004 | 35 ft | None | 21 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +9 more |
| 017 | 35 ft | None | 21 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +9 more |
| 021 | 35 ft | None | 21 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6 +9 more |
| 033 | 35 ft | None | 21 | 5 nights | Sep 20, Sep 21, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +9 more |
| 013 | 35 ft | None | 20 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +8 more |
| 024 | 35 ft | None | 20 | 5 nights | Sep 20, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 12 +8 more |
| 034 | 35 ft | None | 20 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 7, Oct 8 +8 more |
| 045 | 35 ft | None | 20 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +8 more |
| 051 | 35 ft | None | 20 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6, Oct 7, Oct 8 +8 more |
| 016 | 35 ft | None | 19 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +7 more |
| 029 | 35 ft | None | 19 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6 +7 more |
| 047 | 35 ft | None | 19 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7 +7 more |
| 018 | 35 ft | None | 18 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +6 more |
| 039 | 35 ft | None | 18 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 12, Oct 13, Oct 14 +6 more |
| 046 | 35 ft | None | 18 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +6 more |
| 014 | 35 ft | None | 16 | 5 nights | Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 12, Oct 13, Oct 14, Oct 15, Oct 18 +4 more |
| 032 | 35 ft | None | 16 | 5 nights | Sep 20, Sep 29, Sep 30, Oct 1, Oct 6, Oct 7, Oct 8, Oct 12, Oct 13, Oct 14, Oct 15, Oct 18 +4 more |
| 031 | 35 ft | None | 15 | 5 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 12, Oct 13, Oct 14 +3 more |
| 050 | 35 ft | None | 15 | 5 nights | Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 12, Oct 13, Oct 14, Oct 15, Oct 18, Oct 19 +3 more |
| 037 | 35 ft | None | 14 | 4 nights | Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 12, Oct 13, Oct 14, Oct 15, Oct 18, Oct 19 +2 more |
| 038 | 35 ft | None | 13 | 4 nights | Sep 20, Sep 21, Sep 22, Sep 28, Sep 29, Sep 30, Oct 1, Oct 12, Oct 13, Oct 14, Oct 15, Oct 21 +1 more |
| 036 | 35 ft | None | 10 | 5 nights | Sep 22, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 12, Oct 13, Oct 14, Oct 15 |
About Barton Flats
Overview
The Barton Flats Campground provides a taste of just about everything the San Bernardino National Forest has to offer. In addition to a nearby lake and river access, a variety hiking, biking and horseback riding trails can be accessed from the campground. Its location also provides a great place for visitors to relax, take in the fresh, mountain air, and enjoy the beautiful scenery.
Recreation
The campground provides access to the famed Santa Ana River Trail, which will someday run from the mountains to the seaside, providing spectacular views along the way. It is currently popular for hiking, biking and horseback riding.
The 2.5-mile Rio Monte Trail is also accessed from the campground and ends at the Rio Monte Panorama, which overlooks the deep gorge of the Santa Ana River Valley.
The Jenks Lake Trail begins at the Barton Flats Visitor Center on the Rio Monte Trail. It then follows Barton Road to an old logging road to Jenks Lake.
At nearby Jenks Lake visitors can enjoy fishing and non-motorized boating, including canoeing and kayaking. The lake is stocked with rainbow trout and there are also some largemouth bass, bluegill, sunfish and catfish available. Fishing is also available in the nearby Santa Ana River.
Facilities
The campground offers dozens of single and double campsites, available for tent and RV camping. Some accessible sites are available as well. There are no hookups at the campground, however, the parking aprons are paved and a dump station is available.
Each site is equipped with tables and campfire rings with grills. Accessible flush toilets, showers and drinking water are provided. Firewood is sold at the campground.
Natural Features
Located 36 miles northeast of San Bernardino, this campground is nestled in the San Bernardino Mountains, just off the Rim of the World Scenic Byway. The level campsites are tucked among a variety of pine and oak trees, at an elevation of 6,360 feet.
52 monitored sitesRVs up to 35 ftNo hookups27 shadedPets OKFire pitsMax party 16
Getting there
Take I-10 East to Redlands. Take the University Street exit, EXIT 80. Turn left (northbound) on University Street. Turn right onto E. Lugonia Avenue/SR-38. Continue on State Highway 38 for approximately 18 miles to the campground entrance.
San Bernardino, CA
BikingBoatingCampingFishingHikingInterpretive ProgramsWater Sports
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-231975 · facility
Photo gallery
Roll CS-231975 · Barton Flats · CA12 frames · facility
FAQ
How do I get a reservation at Barton Flats?
Reservations for Barton Flats are made through Recreation.gov. 1,094 of 1,924 tracked site-nights are currently open (56.9%). Campsite Sniper has also detected 65 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 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.
How often do new openings appear at Barton Flats?
Campsite Sniper detected 30 site-date openings at Barton Flats in the last 7 days, 61 over 30 days and 65 over the last 90.
Can I get a multi-night stay at Barton Flats?
232 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 20 at site 001. Confirm and book on Recreation.gov.
Which sites at Barton Flats fit a 35-foot RV?
52 of the 52 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 35 ft.
Which month has the most availability at Barton Flats?
October 2026, with 693 open site-nights in the current snapshot of 1,248.
How far ahead of a stay do openings appear at Barton Flats?
Half of the openings Campsite Sniper detected appeared at least 21 days before the stay date; the middle 50% landed 13-32 days out. Campsite Sniper can monitor future changes for dates you select.
When is the next open date at Barton Flats?
As of the Sep 18, 2026 snapshot: the next open date is Sun, Sep 20. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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