Openings · last 7 days
74
Booking reality
Campsite Sniper detected 74 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-10044710
When Atwell Mill Campground reopens
Atwell Mill Campground's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
417
Openings · last 90 days
495
Weekday pattern
Detected openings by day of week · 90dNo strong weekday pattern is evident in the openings Campsite Sniper has detected: 495 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 07:00 and 11:00 local-time hours. Those hours contained 112 of 495 detected openings (22.6%). 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 30 days before the stay date; the middle 50% land 30–31 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 |
|---|---|---|
| Site: 06 | 31 | 6.3% |
| Site: 07 | 30 | 6.1% |
| Site: 12 | 29 | 5.9% |
| Site: 14 | 29 | 5.9% |
| Site: 18 | 29 | 5.9% |
Site Site: 06 had the most detected openings in the last 90 days: 31. One free watch covers every site here.
02 · Availability Outlook · Sep 18 – Oct 13, 2026 · of 19 monitored sites
Of the 494 tracked site-nights (Sep 18 – Oct 13, 2026): 361 open for online reservation · 133 reserved.
Where the open windows are
26.9% of tracked site-nights are not currently open for online reservation. 361 of 494 remain open; here is where they are.
Load status
Sep 18 – Oct 13, 2026Not open online26.9%
Open site-nights361 / 494
Reserved (of online inventory)133 / 494
Weekday openings250
Weekend openings111
Of the open site-nights on mapped sites, 250 fall on weekdays and 111 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Oct 2026October holds the most room. 206 of 247 site-nights are still open there.
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 |
Labor Day: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| Site: 05 | 22 |
| Site: 06 | 22 |
| Site: 07 | 22 |
| Site: 16 | 22 |
| Site: 14 | 21 |
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
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
361 open site-nights across 19 sites at Atwell Mill Campground, from the same hourly snapshot as everything above.
Multi-night stays. 59 2-night, 53 3-night, 12 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 20 at site Site: 13.
All 19 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| Site: 05 | 20 ft | None | 22 | 17 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 +10 more |
| Site: 06 | 20 ft | None | 22 | 17 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 +10 more |
| Site: 07 | 20 ft | None | 22 | 17 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 +10 more |
| Site: 16 | 20 ft | None | 22 | 16 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 +10 more |
| Site: 14 | 17 ft | None | 21 | 16 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4 +9 more |
| Site: 18 | 20 ft | None | 21 | 16 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4 +9 more |
| Site: 19 | 20 ft | None | 21 | 10 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 4 +9 more |
| Site: 03 | 20 ft | None | 20 | 13 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 +8 more |
| Site: 12A | 17 ft | None | 20 | 12 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 +8 more |
| Site: 13 | 20 ft | None | 20 | 10 nights | Sep 18, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2 +8 more |
| Site: 20 | 20 ft | None | 19 | 9 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 5, Oct 6 +7 more |
| Site: 04 | 20 ft | None | 18 | 11 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 28, Sep 29, Sep 30, Oct 3, Oct 4, Oct 5, Oct 6, Oct 7 +6 more |
| Site: 09 | 20 ft | None | 17 | 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 +5 more |
| Site: 11 | 20 ft | None | 17 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6 +5 more |
| Site: 15 | 20 ft | None | 17 | 6 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6 +5 more |
| Site: 02 | 20 ft | None | 16 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 2, Oct 4, Oct 5, Oct 9 +4 more |
| Site: 12 | 17 ft | None | 16 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7 +4 more |
| Site: 17 | 20 ft | None | 15 | 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 +3 more |
| Site: 21 | 20 ft | None | 15 | 5 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Oct 1, Oct 4, Oct 5, Oct 7, Oct 8 +3 more |
About Atwell Mill Campground
Overview
The Mineral King area features the highest elevation campground in the parks. At 7,500 feet (2280 m), it is only open during the summer months. It takes approximately 90 minutes to drive the long narrow, winding, largely unpaved road that leads to the area and its two campgrounds. RVs and trailers are not recommended on Mineral King Road and are not permitted in campgrounds. Mineral King is not connected to the rest of Sequoia National Park by roads.
Facilities
The campground is situated along the East Fork of the Kaweah River in a once logged sequoia grove. Atwell Mill campground contains 21 sites. The Atwell-Hockett Trail begins here. The campground has no sinks and no flush toilets, pit toilets only.
Natural Features
Hikes into the backcountry out of Mineral King will give visitors an ever deeper understanding of the beauty and uniqueness of Sequoia National Park. Hike to alpine lakes and over mountain passes, or climb a peak.
Nearby Attractions
There are limited services at Silver City Resort, 1.7 miles (3 km) east of the campground. More extensive services can be found in Three Rivers, 23 miles (37 km) west of Atwell Mill Campground (approximately 1.5 hours away).
19 monitored sitesRVs up to 20 ftNo hookupsPets OKFire pitsMax party 6
Getting there
Atwell Mill Campground is located 19 miles (31 km) from Highway 198 on Mineral King Road, which turns off in Three Rivers, and 6 miles (10 km) before the end of the road. It is an approximately 90 minute drive. The road is primarily unpaved, narrow, winding, and deeply rutted in places. It is not advised for longer vehicles, especially recreational vehicles. No RVs or trailers are permitted in the campground.
47050 Generals Highway, Three Rivers, CA 93271559 565 3341
CampingHiking
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-10044710 · facility + sites
Photo gallery
Roll CS-10044710 · Atwell Mill Campground · Three Rivers CA6 frames · facility + sites
FAQ
How do I get a reservation at Atwell Mill Campground?
Reservations for Atwell Mill Campground are made through Recreation.gov. The current snapshot shows substantial availability: 361 of 494 tracked site-nights are open (73.1%), though availability can change. Campsite Sniper has also detected 495 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 Atwell Mill Campground?
Campsite Sniper detected 74 site-date openings at Atwell Mill Campground in the last 7 days, 417 over 30 days and 495 over the last 90.
Can I get a multi-night stay at Atwell Mill Campground?
53 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 Site: 13. Confirm and book on Recreation.gov.
Which sites at Atwell Mill Campground fit a 35-foot RV?
No RV-analyzable site here has a recorded maximum of 35 ft or more; the longest recorded is 20 ft.
Which month has the most availability at Atwell Mill Campground?
October 2026, with 206 open site-nights in the current snapshot of 247.
How far ahead of a stay do openings appear at Atwell Mill Campground?
Half of the openings Campsite Sniper detected appeared at least 30 days before the stay date; the middle 50% landed 30-31 days out. Campsite Sniper can monitor future changes for dates you select.
When is the next open date at Atwell Mill 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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