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-232077
When Onion Valley reopens
Onion Valley's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
46
Openings · last 90 days
50
Weekday pattern
Detected openings by day of week · 90dNo strong weekday pattern is evident in the openings Campsite Sniper has detected: 50 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 18:00 and 22:00 local-time hours. Those hours contained 24 of 50 detected openings (48.0%). 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 10.5 days before the stay date; the middle 50% land 4.2–29.8 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 |
|---|---|---|
| 006 | 8 | 16.0% |
| 011 | 7 | 14.0% |
| 014 | 5 | 10.0% |
| 001 | 5 | 10.0% |
| 018 | 4 | 8.0% |
Site 006 had the most detected openings in the last 90 days: 8. One free watch covers every site here.
02 · Availability Outlook · Sep 18 – Oct 24, 2026 · of 29 monitored sites
Of the 1,073 tracked site-nights (Sep 18 – Oct 24, 2026): 738 open for online reservation · 292 reserved · 43 on sites not offered for online reservation (first-come, first-served or administrative).
Where the open windows are
31.2% of tracked site-nights are not currently open for online reservation. 738 of 1,073 remain open; here is where they are.
Load status
Sep 18 – Oct 24, 2026Not open online31.2%
Open site-nights738 / 1,073
Reserved (of online inventory)292 / 1,030
Weekday openings479
Weekend openings259
Of the open site-nights on mapped sites, 479 fall on weekdays and 259 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Oct 2026October holds the most room. 594 of 696 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 |
|---|---|
| 019 | 31 |
| 021 | 31 |
| 022 | 31 |
| 024 | 31 |
| 025 | 31 |
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 dateTue · Sep 22
Next open weekendFri · Oct 2
The next bookable night is Sep 22; the first open weekend starts Oct 2. Campsite Sniper can watch later dates for you.
Stays and site detail
738 open site-nights across 29 sites at Onion Valley, from the same hourly snapshot as everything above.
Multi-night stays. 79 2-night, 62 3-night, 30 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 22 at site 006.
RV length. Longest recorded site here is 25 ft. 16 sites take 25 ft. 10 sites of 29 have no recorded maximum and are not counted.
All 29 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 019 | Not recorded | None | 31 | 28 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 +19 more |
| 021 | Not recorded | None | 31 | 28 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 +19 more |
| 022 | Not recorded | None | 31 | 28 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 +19 more |
| 024 | Not recorded | None | 31 | 28 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 +19 more |
| 025 | Not recorded | None | 31 | 28 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 +19 more |
| 016 | Not recorded | None | 30 | 28 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6 +18 more |
| 017 | 25 ft | None | 30 | 28 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6 +18 more |
| 006 | 25 ft | None | 28 | 18 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 7, Oct 8 +16 more |
| 007 | 25 ft | None | 28 | 28 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +16 more |
| 008 | Not recorded | None | 28 | 21 nights | Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +16 more |
| 018 | Not recorded | None | 28 | 21 nights | Sep 22, Sep 23, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +16 more |
| 029 | Not recorded | None | 27 | 19 nights | Sep 22, Sep 23, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 6, Oct 7, Oct 8, Oct 9 +15 more |
| 002 | 16 ft | None | 26 | 21 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10 +14 more |
| 004 | 16 ft | None | 26 | 21 nights | Sep 22, Sep 27, Sep 28, Sep 29, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10 +14 more |
| 005 | 25 ft | None | 26 | 21 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10 +14 more |
| 026 | 25 ft | None | 26 | 21 nights | Sep 22, Sep 23, Sep 28, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10 +14 more |
| 001 | 25 ft | None | 25 | 21 nights | Sep 22, Sep 23, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10, Oct 11 +13 more |
| 023 | Not recorded | None | 25 | 13 nights | Sep 22, Sep 23, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6, Oct 7 +13 more |
| 027 | 25 ft | None | 25 | 12 nights | Sep 22, Sep 23, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9 +13 more |
| 012 | 25 ft | None | 24 | 21 nights | Sep 27, Sep 28, Sep 29, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10, Oct 11, Oct 12 +12 more |
| 015 | 16 ft | None | 24 | 21 nights | Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10, Oct 11, Oct 12 +12 more |
| 028 | 25 ft | None | 24 | 13 nights | Sep 22, Sep 23, Sep 27, Sep 28, Sep 29, Sep 30, Oct 2, Oct 3, Oct 5, Oct 6, Oct 8, Oct 12 +12 more |
| 014 | 25 ft | None | 23 | 7 nights | Sep 22, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +11 more |
| 010 | 25 ft | None | 22 | 12 nights | Sep 22, Sep 27, Sep 28, Sep 29, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 13, Oct 14 +10 more |
| 013 | 25 ft | None | 20 | 8 nights | Sep 22, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +8 more |
| 003 | 25 ft | None | 19 | 13 nights | Sep 22, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6, Oct 12, Oct 13, Oct 14, Oct 15, Oct 16, Oct 17 +7 more |
| 009 | 25 ft | None | 18 | 11 nights | Sep 22, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6, Oct 8, Oct 12, Oct 13, Oct 14, Oct 15, Oct 16 +6 more |
| 011 | 25 ft | None | 16 | 5 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 12, Oct 13 +4 more |
| 020 | 25 ft | None | 15 | 5 nights | Sep 22, Sep 28, Sep 29, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 12, Oct 13, Oct 18, Oct 19 +3 more |
About Onion Valley
Overview
This quiet campground is set amidst breathtaking scenery of rugged mountain peaks, thick forests and waterfalls in the Onion Valley area of the eastern Sierra Nevada Mountains.
Its location on the creek and proximity to the John Muir Wilderness make it a popular hub for hikers, anglers, photographers and those who want to relax in a peaceful, natural setting.
Recreation
Majestic scenery and challenging trails draw campers to the Onion Valley area for hiking and horseback riding. The campground is near Kearsarge Pass, Robinson Lake and Golden Trout Lakes Trailheads, which access several alpine lakes and mountain peaks within the John Muir Wilderness, as well as Sequoia and Kings Canyon National Park.
The eastern Sierras are also known for exceptional trout fishing. From the campground, anglers can try for rainbow, brown, brook and Alpers trout in Robinson Lake and a nearby creek.
Facilities
The campground is tucked away near the end of Onion Valley Road. Campsites are private and primitive, and every site has a scenic view. Amenities include vault toilets, and bear-proof food storage lockers, which campers are required to use. Firewood is for sale on-site.
Natural Features
Situated at an elevation of 9,200 feet, the campground is surrounded by the towering peaks of the John Muir Wilderness and immersed in shrubs, lodgepole pine and aspens. Lovely wildflowers color the landscape in late spring and early summer. The campground is adjacent to a creek and lake.
The area is home to abundant wildlife, including black bear,which frequent the campground, mountain lions, mule deer, pine martin, pika and many species of fish and birds.
Nearby Attractions
Campers can enter the John Muir Wilderness, a land of lofty snow-capped mountains, deep canyons and vast expanses of glacially carved terrain, via nearby trails. Some trails lead into Sequoia and Kings Canyon National Park to the west.
29 monitored sitesRVs up to 25 ftNo hookups8 shadedPets OKFire pitsMax party 6
Getting there
The campground is 13 miles west of the town of Independence, California. Take U.S. Highway 395 to Independence. Turn west on Market Street, which turns into Onion Valley Road. Follow Onion Valley Road for 13 miles to the campground.
Independence, CA760-937-6070
CampingFishingHikingHorseback RidingWildlife Viewing
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-232077 · facility + sites
Photo gallery
Roll CS-232077 · Onion Valley · CA12 frames · facility + sites
FAQ
How do I get a reservation at Onion Valley?
Reservations for Onion Valley are made through Recreation.gov. 738 of 1,073 tracked site-nights are currently open (68.8%). Campsite Sniper has also detected 50 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 Onion Valley?
Campsite Sniper detected 16 site-date openings at Onion Valley in the last 7 days, 46 over 30 days and 50 over the last 90.
Can I get a multi-night stay at Onion Valley?
62 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 22 at site 006. Confirm and book on Recreation.gov.
Which sites at Onion Valley fit a 35-foot RV?
No RV-analyzable site here has a recorded maximum of 35 ft or more; the longest recorded is 25 ft. 19 of those 29 sites have a recorded maximum length and 10 do not; they are not counted as fitting.
Which month has the most availability at Onion Valley?
October 2026, with 594 open site-nights in the current snapshot of 696.
How far ahead of a stay do openings appear at Onion Valley?
Half of the openings Campsite Sniper detected appeared at least 10.5 days before the stay date; the middle 50% landed 4.2-29.8 days out. Campsite Sniper can monitor future changes for dates you select.
When is the next open date at Onion Valley?
As of the Sep 18, 2026 snapshot: the next open date is Tue, Sep 22 and the next open weekend starts Fri, Oct 2. 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.
Filter
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
Watch
We run paced availability checks for Onion Valley. One watch covers every matching site.
Get the ping
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.