Pick a site on the map to see its availability calendar.
Only 27 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.
Of the 599 tracked site-nights (Sep 18 – Oct 11, 2026): 179 open for online reservation · 201 reserved · 215 on sites not offered for online reservation (first-come, first-served or administrative) · 4 closed.
Of the open site-nights on mapped sites, 148 fall on weekdays and 31 on weekends (Fri–Sun).
September holds the most room. 147 of 338 site-nights are still open there.
| 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.
| Site | Open site-nights |
|---|---|
| 019 | 12 |
| 021 | 12 |
| Group 1 | 11 |
| 012 | 10 |
| 013 | 10 |
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.
The next bookable night is Sep 22; the first open weekend starts Sep 25. Campsite Sniper can watch later dates for you.
Multi-night stays. 42 2-night, 37 3-night, 5 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 22 at site 019.
RV length. Longest recorded site here is 65 ft. 19 sites take 25 ft, 15 sites take 35 ft, 13 sites take 40 ft.
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 019 | 28 ft | None | 12 | 12 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 |
| 021 | 45 ft | None | 12 | 12 nights | Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 |
| Group 1 | 65 ft | None | 11 | 4 nights | Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6, Oct 7, Oct 8 |
| 012 | 16 ft | None | 10 | 7 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 |
| 013 | 16 ft | None | 10 | 7 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 |
| 015 | 16 ft | None | 10 | 7 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3 |
| 011 | 16 ft | None | 8 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 014 | 16 ft | None | 8 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 016 | 16 ft | None | 8 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 022 | 45 ft | None | 8 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 024 | 45 ft | None | 8 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 027 | 30 ft | None | 8 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 002 | 50 ft | None | 7 | 4 nights | Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1 |
| 003 | 55 ft | None | 7 | 4 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30 |
| 005 | 35 ft | None | 7 | 5 nights | Sep 22, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 020 | 40 ft | None | 6 | 5 nights | Sep 22, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 025 | 45 ft | None | 6 | 3 nights | Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30 |
| 004 | 50 ft | None | 5 | 5 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 007 | 40 ft | None | 5 | 2 nights | Sep 22, Sep 23, Sep 27, Sep 28, Sep 30 |
| 010 | 45 ft | None | 5 | 5 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 017 | 16 ft | None | 5 | 3 nights | Sep 22, Sep 23, Sep 24, Sep 28, Sep 29 |
| 008 | 55 ft | None | 3 | 3 nights | Sep 22, Sep 23, Sep 24 |
| 009 | 40 ft | None | 3 | 3 nights | Sep 22, Sep 23, Sep 24 |
| 023 | 25 ft | None | 3 | 3 nights | Sep 29, Sep 30, Oct 1 |
| 006 | 35 ft | None | 2 | 2 nights | Sep 22, Sep 23 |
| 018 | 30 ft | None | 2 | 2 nights | Sep 22, Sep 23 |
Little Mill Campground is located in American Fork Canyon on the banks of American Fork Creek. This popular campground is a great place to escape the hot summer days while hiking or fishing.
American Fork Creek is a favorite among fly-fisherman. The creek is stocked with rainbow trout.
The 20-mile paved Alpine Loop Scenic Byway passes the campground, traveling through alpine canyons, mountain meadows, aspen groves and pine forests, providing breathtaking views of the Wasatch Range. This road is not recommended for vehicles over 30 feet in length.
The campground is situated among dense stands of aspen, oak and maple trees, which provide nice shade and beautiful autumn color. Wildlife and summer wildflowers are abundant.
Nearby Tibble Fork and Silver Flat Reservoirs offer canoeing, kayaking and fishing for rainbow, brook and brown trout. A portion of the north shore at Tibble Fork is accessible. Both reservoirs are open only to non-motorized watercraft. Scuba divers frequent Tibble Fork's south shore.
Hiking and mountain biking trails abound at Tibble Fork, some beginning at the reservoir and others nearby. The 6-mile Tibble Fork Trail, 2-mile Pine Hollow Trail, 3-mile Mill Canyon Trail and the 15-mile Ridge Trail are in the vicinity.
Timpanogos Cave National Monument is just a few miles down American Fork Canyon, with a rewarding but steep 1.5-mile hike to a guided tour of the spectacular three-room cave system. The trail offers stunning views of American Fork Canyon.
From Salt Lake City or Provo, take I-15 to the Alpine-Highland exit 284. Travel 8 miles east on Utah Highway 92 to the mouth of American Fork Canyon. Stay on 92 for 4 miles to the campground.
View on Recreation.gov ↗ Get directions ↗












Reservations for Little Mill are made through Recreation.gov. 70.1% of tracked site-nights are not currently open for online reservation; 179 of 599 remain open. Campsite Sniper has also detected 27 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.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
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.
Campsite Sniper detected 10 site-date openings at Little Mill in the last 7 days, 22 over 30 days and 27 over the last 90.
37 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 019. Confirm and book on Recreation.gov.
15 of the 26 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 65 ft.
September 2026, with 147 open site-nights in the current snapshot of 338.
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.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Little Mill. 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.