Openings · last 7 days
2
Booking reality
Campsite Sniper detected 2 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-232264
When Tunnel Mills II reopens
Tunnel Mills II's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
3
Openings · last 90 days
6
Only 6 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 · Sep 18 – Oct 15, 2026 · of 2 monitored sites
Of the 56 tracked site-nights (Sep 18 – Oct 15, 2026): 42 open for online reservation · 14 reserved.
Where the open windows are
25% of tracked site-nights are not currently open for online reservation. 42 of 56 remain open; here is where they are.
Load status
Sep 18 – Oct 15, 2026Not open online25%
Open site-nights42 / 56
Reserved (of online inventory)14 / 56
Weekday openings30
Weekend openings12
Of the open site-nights on mapped sites, 30 fall on weekdays and 12 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Oct 2026October holds the most room. 24 of 30 site-nights are still open there.
Holiday windows
Sites open per night · of 2 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 |
|---|---|
| 002 | 23 |
| 001 | 19 |
The 2 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 · Sep 25
The next bookable night is Sep 22; the first open weekend starts Sep 25. Campsite Sniper can watch later dates for you.
Stays and site detail
42 open site-nights across 2 sites at Tunnel Mills II, from the same hourly snapshot as everything above.
Multi-night stays. 5 2-night, 5 3-night, 3 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 22 at site 001.
RV length. Longest recorded site here is 30 ft. 2 sites take 25 ft.
All 2 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 002 | 25 ft | None | 23 | 13 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 3, Oct 4 +11 more |
| 001 | 30 ft | None | 19 | 10 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5 +7 more |
About Tunnel Mills II
Overview
Tunnel Mills Group Campground is located along the East Fork of the North Fork of the North Fork American River in the Tahoe National Forest. It can be accessed off of Interstate 80, at the Emigrant Gap exit. Visitors enjoy fishing, hiking and hunting in this scenic area.
Recreation
Rainbow trout fishing is a popular activity on the river. Hiking and OHV trails and hunting opportunities are found in the surrounding area.
Facilities
The campground offers two group sites that can accommodate up to 30 people and six vehicles each. Site 1 is for tent and RV camping, while site 2 is designated for tent camping only. Picnic tables and campfire rings are provided, as are vault toilets.
Natural Features
The campground is near the creek-sized East Fork of the North Fork of the North Fork American River, in a remote location of north central California. A forest of cedar, pine and fir trees shades the campground.
Nearby Attractions
Many hiking, and OHV trails are located nearby as well as foot trail access into the North Fork American Wild and Scenic River canyon. Many more trails can be found a short distance east on Interstate 80 at Grouse Ridge Non-Motorized Area and Donner Summit.
2 monitored sitesRVs up to 30 ftNo hookups2 shadedWaterfrontRiverfrontPets OKMax party 30
Getting there
From east bound Interstate 80 take exit 158A or west bound Interstate 80 take exit 158B south to Emigrant Gap. After exiting the interstate take a right on Texas Hill Road towards Emigrant Gap. Continue on Texas Hill Road for about 8 miles and turn right into the campground.
Yuba River Ranger Station, Camptonville, CA 95922530-265-4531
BikingCampingFishingHikingHuntingWater Access
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-232264 · facility + sites
Photo gallery
Roll CS-232264 · Tunnel Mills II · Camptonville CA6 frames · facility + sites
FAQ
How do I get a reservation at Tunnel Mills II?
Reservations for Tunnel Mills II are made through Recreation.gov. The current snapshot shows substantial availability: 42 of 56 tracked site-nights are open (75%), though availability can change. Campsite Sniper has also detected 6 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 Tunnel Mills II?
Campsite Sniper detected 2 site-date openings at Tunnel Mills II in the last 7 days, 3 over 30 days and 6 over the last 90.
Can I get a multi-night stay at Tunnel Mills II?
5 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 001. Confirm and book on Recreation.gov.
Which sites at Tunnel Mills II fit a 35-foot RV?
No RV-analyzable site here has a recorded maximum of 35 ft or more; the longest recorded is 30 ft.
Which month has the most availability at Tunnel Mills II?
October 2026, with 24 open site-nights in the current snapshot of 30.
When is the next open date at Tunnel Mills II?
As of the Sep 18, 2026 snapshot: the next open date is Tue, Sep 22 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.
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