Openings · last 7 days
115
Booking reality
Campsite Sniper detected 115 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-247602
When Twelvemile Beach Campground and Cabin reopens
Twelvemile Beach Campground and Cabin's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
120
Openings · last 90 days
121
Weekday pattern
Detected openings by day of week · 90dNo strong weekday pattern is evident in the openings Campsite Sniper has detected: 121 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 10:00 and 20:00 local-time hours. Those hours contained 32 of 121 detected openings (26.4%). Hours show when Campsite Sniper first detected each opening, in Detroit local 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 8 days before the stay date; the middle 50% land 4–15 days out. Set an alert if you want Campsite Sniper to monitor future openings.
Highest-churn sites
Most openings · 90d| Cabin | Openings | Share of all openings |
|---|---|---|
| Twelvemile Cabin | 14 | 11.6% |
| 01 | 9 | 7.4% |
| 10 | 8 | 6.6% |
| 14 | 7 | 5.8% |
| 31 | 7 | 5.8% |
Cabin Twelvemile Cabin had the most detected openings in the last 90 days: 14. One free watch covers every site here.
02 · Availability Outlook · Sep 18 – Oct 15, 2026 · of 36 monitored sites
Of the 1,008 tracked site-nights (Sep 18 – Oct 15, 2026): 73 open for online reservation · 905 reserved · 30 not yet released.
Where the open windows are
92.8% of tracked site-nights are not currently open for online reservation. 73 of 1,008 remain open; here is where they are.
Load status
Sep 18 – Oct 15, 2026Not open online92.8%
Open site-nights73 / 1,008
Reserved (of online inventory)905 / 978
Weekday openings47
Weekend openings26
Of the open cabin-nights on mapped sites, 47 fall on weekdays and 26 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Oct 2026October holds the most room. 49 of 540 site-nights are still open there.
Holiday windows
Sites open per night · of 36 cabins| 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 cabins
Most open cabin-nights · tracked window| Cabin | Open cabin-nights |
|---|---|
| 08 | 14 |
| 35 | 12 |
| 33 | 11 |
| 26 | 10 |
| 04 | 7 |
The 5 cabins with the most open cabin-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 dateMon · Sep 21
Next open weekendFri · Sep 25
The next bookable night is Sep 21; the first open weekend starts Sep 25. Campsite Sniper can watch later dates for you.
Stays and site detail
73 open cabin-nights across 14 cabins at Twelvemile Beach Campground and Cabin, from the same hourly snapshot as everything above.
Multi-night stays. 9 2-night, 7 3-night, 5 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 21 at site 32.
RV length. Longest recorded site here is 42 ft. 34 sites take 25 ft, 33 sites take 35 ft, 30 sites take 40 ft.
All 14 cabins with current availability
| Cabin | Max RV | Hookups | Open cabin-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 08 | 42 ft | None | 14 | 14 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 +2 more |
| 35 | 24 ft | None | 12 | 12 nights | Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 10, Oct 11, Oct 12, Oct 13, Oct 14, Oct 15 |
| 33 | 23 ft | None | 11 | 11 nights | Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 |
| 26 | 42 ft | None | 10 | 10 nights | Oct 6, Oct 7, Oct 8, Oct 9, Oct 10, Oct 11, Oct 12, Oct 13, Oct 14, Oct 15 |
| 04 | 42 ft | None | 7 | 7 nights | Oct 9, Oct 10, Oct 11, Oct 12, Oct 13, Oct 14, Oct 15 |
| 15 | 42 ft | None | 4 | 4 nights | Oct 2, Oct 3, Oct 4, Oct 5 |
| 31 | 40 ft | None | 3 | 3 nights | Oct 6, Oct 7, Oct 8 |
| 32 | 42 ft | None | 3 | 2 nights | Sep 21, Sep 22, Oct 15 |
| 10 | 42 ft | None | 2 | 1 night | Sep 22, Sep 24 |
| 22 | 42 ft | None | 2 | 1 night | Sep 23, Sep 27 |
| 36 | 42 ft | None | 2 | 2 nights | Sep 28, Sep 29 |
| 12 | 42 ft | None | 1 | 1 night | Sep 23 |
| 21 | 30 ft | None | 1 | 1 night | Oct 15 |
| 37 | 40 ft | None | 1 | 1 night | Oct 15 |
About Twelvemile Beach Campground and Cabin
Overview
Twelvemile Beach Campground is a beautiful campground along Lake Superior located within the Pictured Rocks National Lakeshore, just 15 miles (24 km) west of Grand Marais. There are 36 sites total, including 2 universally accessible sites. Twelvemile Beach has water, pit toilets, picnic tables, fire rings, and an interpretive amphitheater. The campground has access to the North Country Trail and the two mile (3.2 km) long self-guided White Birch Interpretive Trail. The turning radius and some of the parking at sites are limited, so the Park recommends that camper, or vehicle/trailer length should NOT exceed 42 feet (13 m).
Recreation
There are three sets of stairs to the beach as well as a day-use picnic area and parking. The two-mile (3.2 km) long White Birch Trail begins and ends at the campground. The North Country Trail treks through the campground. The entrance road winds through a picturesque stand of white birch.
Facilities
Pictured Rocks National Lakeshore drive-in campsites are rustic and do not have electric, water, or sewer hookups. Campsites provide a picnic table, fire ring with grill grate, and tent pad. The campground has vault toilets, well water and an interpretive amphitheater. Typically there is no cell phone reception.
There are 36 sites total, including 2 universally accessible sites. The campground has access to the North Country Trail and the two mile (3.2 km) long self-guided White Birch Interpretive Trail. The turning radius and some of the parking at sites are limited, so the Park recommends that camper, or vehicle/trailer length should NOT exceed 42 feet (13 m).
Natural Features
Sandstone cliffs, beaches, sand dunes, waterfalls, inland lakes, deep forest, and wild shoreline beckon you to visit Pictured Rocks National Lakeshore. The power of Lake Superior shapes the park's coastal features and affects every ecosystem, creating a unique landscape to explore. Hiking, camping, sightseeing, and four-season outdoor opportunities abound.
Nearby Attractions
Kayak and Other Guided Tours and Pictured Rocks Boat Cruises within the national lakeshore are offered by authorized private companies. Pontoon boat and other rentals for use on Lake Superior are available in nearby communities.
36 monitored cabinsRVs up to 42 ftNo hookups36 shadedWaterfrontLakefrontPets OKFire pitsMax party 8
Getting there
Twelvemile Beach Campground is located 15 miles (24 km) west of Grand Marais off Alger County Road H-58 (34 miles/55 km east of Munising).
Munising Falls Visitor Center, Munising, MI 49862906-387-3700
Accessible SwimmingBackpackingBeachcombingCampingHiking
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-247602 · facility
Photo gallery
Roll CS-247602 · Twelvemile Beach Campground and Cabin · Munising MI12 frames · facility
FAQ
How do I get a reservation at Twelvemile Beach Campground and Cabin?
Reservations for Twelvemile Beach Campground and Cabin are made through Recreation.gov. 92.8% of tracked site-nights are not currently open for online reservation; 73 of 1,008 remain open. Campsite Sniper has also detected 121 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 Twelvemile Beach Campground and Cabin?
Campsite Sniper detected 115 site-date openings at Twelvemile Beach Campground and Cabin in the last 7 days, 120 over 30 days and 121 over the last 90.
Can I get a multi-night stay at Twelvemile Beach Campground and Cabin?
7 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 08. Confirm and book on Recreation.gov.
Which sites at Twelvemile Beach Campground and Cabin fit a 35-foot RV?
33 of the 36 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 42 ft.
Which month has the most availability at Twelvemile Beach Campground and Cabin?
October 2026, with 49 open site-nights in the current snapshot of 540.
How far ahead of a stay do openings appear at Twelvemile Beach Campground and Cabin?
Half of the openings Campsite Sniper detected appeared at least 8 days before the stay date; the middle 50% landed 4-15 days out. Campsite Sniper can monitor future changes for dates you select.
When is the next open date at Twelvemile Beach Campground and Cabin?
As of the Sep 18, 2026 snapshot: the next open date is Mon, Sep 21 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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