Openings · last 7 days
1
Booking reality
Campsite Sniper detected 1 site opening here in the last 7 days
01 · Detected Opening History · the openings record · file CS-232526
When Big M reopens
Big M's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
5
Openings · last 90 days
5
Only 5 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 31, 2026 · of 61 monitored sites
Of the 44 tracked site-nights (Sep 18 – Oct 31, 2026): 44 unavailable (cause unspecified).
No online availability right now
Of the 44 tracked site-nights (Sep 18 – Oct 31, 2026): 44 unavailable (cause unspecified). A free alert tells you if any date opens online.
Load status
Sep 18 – Oct 31, 2026Not open online100%
Open site-nights0 / 44
Of the 44 tracked site-nights (Sep 18 – Oct 31, 2026): 44 unavailable (cause unspecified).
Open dates by month
Sep 2026 – Oct 2026No month in range currently shows online availability. 0 open site-nights across the tracked window — these site-nights are marked unavailable.
Holiday windows
Sites open per night · of 59 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.
About Big M
Overview
Big M is a spacious and grassy campground that sits along the White River Arm of Table Rock Lake in the Missouri countryside.
Big M provides plenty of sites with a panoramic view of the beautiful Table Rock Lake, surrounded by the scenic foothills of the Ozark Mountains.
Recreation
Whether on water or land, Big M Campground offers visitors countless recreational activities. Picnicking, swimming, scuba diving, boating, fishing, hiking and wildlife viewing are all popular pastimes at the park. With a large marina located just a short walking distance from the campsites, boating and fishing enthusiasts will find they have everything they need to enjoy the deep, clear waters of Table Rock Lake. While the lake boasts an abundance of crappie, catfish, and bluegill, Table Rock is most famous for bass, and is acclaimed as one of the best bass fishing lakes in this hemisphere. Multiple fishing tournaments are hosted yearly and anglers will there is no shortage of Largemouth, Smallmouth, White or Spotted bass. For visitors interested in staying near shore, a designated swimming beach near the campground's volleyball court, offers a convenient way to cool off during warm summer months. Table Rock Lakeshore Trail, about 2 miles long, runs from the Dewey Short Visitor Center to the Table Rock State Park Marina. During the spring hikers will see dogwood, serviceberry and redbud trees in bloom as well as many wildflower species. During the autumn months, visitors are treated to nature's colorful fall foliage. The trail also offers beautiful views of Table Rock Lake. Other hiking and mountain biking opportunities are available at the Mark Twain National Forest, parts of which are easily accessible from the campground. Click here for more information.
Facilities
Big M Campground offers 61 reservable sites. Amenities like hot showers, drinking water, a dump station and electric hookups create a comfortable camping experience. A swim area, marina, boat ramp, playground and volleyball court make the campground perfect for family trips.
Natural Features
Table Rock Lake is a beautiful body of water surrounded by a forest of oak and hickory trees. Its waters wind down through the valleys and hollows of the Ozark Mountains, from Branson, Missouri to Eureka Springs, Arkansas.
More than five million visitors per year take advantage of this recreational oasis. Originally built for flood control, the Table Rock Dam has created a lake that boasts 779 miles of shoreline for the public to enjoy.
Nearby Attractions
The Dewey Short Visitors Center is located at the south end of Table Rock Dam. It offers three educational films focused on the history of the dam, the story of Lewis and Clark and the history of eagles and their endangerment in the state of Missouri. The visitor center also contains exhibits on the natural history of the area.
61 monitored sitesRVs up to 85 ft22 with hookups46 shadedPets OKFire pitsMax party 8
Getting there
From Cassville, Missouri, travel east on State Route 76 for 9 miles. Turn onto the Highway M access road and follow signs into the campground.
25476 Big M Campground, Cassville, MO 65626417-271-3190
BikingBoatingCampingFishingHikingKayakingPhotographyPicnickingRanger StationScuba DivingSwimmingSwimming SiteVisitor CenterWater AccessWater SportsWildlife Viewing
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-232526 · facility + sites
Photo gallery
Roll CS-232526 · Big M · Cassville MO12 frames · facility + sites
FAQ
How do I get a reservation at Big M?
Campsite Sniper's current snapshot shows none of the 44 tracked site-nights open for online reservation at Big M. That can mean dates are reserved, closed, not yet released, or offered first-come, first-served rather than online. Campsite Sniper has also detected 5 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 Big M?
Campsite Sniper detected 1 site-date opening at Big M in the last 7 days, 5 over 30 days and 5 over the last 90.
Which sites at Big M fit a 35-foot RV?
32 of the 59 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 85 ft.
Does Big M have online availability right now?
As of the Sep 18, 2026 snapshot, none of the 44 tracked site-nights are open for online reservation. That can mean dates are reserved, closed, not yet released, or offered first-come, first-served rather than online. A free Campsite Sniper alert tells you if any date opens online.
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