Openings · last 7 days
0
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
0
Openings · last 90 days
1
Only 1 opening 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 · May 1 – May 3, 2027 · of 61 monitored sites
Of the 177 tracked site-nights (May 1 – May 3, 2027): 177 open for online reservation.
Where the open windows are
0% of tracked site-nights are not currently open for online reservation. 177 of 177 remain open; here is where they are.
Load status
May 1 – May 3, 2027Not open online0%
Open site-nights177 / 177
Reserved (of online inventory)0 / 177
Weekday openings59
Weekend openings118
Of the open site-nights on mapped sites, 59 fall on weekdays and 118 on weekends (Fri–Sun).
Open dates by month
May 2027 – May 2027May holds the most room. 177 of 177 site-nights are still open there.
Holiday windows
Sites open per night · of 59 sites| Window | Night | Sites open | Status |
|---|---|---|---|
| Memorial Day | FRI May 28 | 0 | None open |
| SAT May 29 | 0 | None open | |
| SUN May 30 | 0 | None open | |
| MON May 31 | 0 | None open |
Memorial Day: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 01 | 3 |
| 02 | 3 |
| 03 | 3 |
| 04 | 3 |
| 05 | 3 |
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.
Tracked window
CoverageCampsite Sniper's data for this facility starts May 1, 2027. That is about 180 days after the current snapshot was taken, so dates before May 1, 2027 are not covered by what Campsite Sniper tracks here — they are not known to be unavailable. The site-nights shown on this page describe May 1, 2027 onwards only. Check Recreation.gov for earlier dates.
Stays and site detail
177 open site-nights across 59 sites at Big M, from the same hourly snapshot as everything above.
Multi-night stays. 59 2-night, 59 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest May 1, 2027 at site 01.
RV length. Longest recorded site here is 85 ft. 54 sites take 25 ft, 32 sites take 35 ft, 29 sites take 40 ft.
All 59 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 01 | 15 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 02 | 40 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 03 | 40 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 04 | 30 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 05 | 30 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 06 | 33 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 07 | 36 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 08 | 25 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 09 | 48 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 10 | 22 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 11 | 24 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 12 | 25 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 13 | 30 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 14 | 30 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 15 | 30 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 16 | 25 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 17 | 32 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 18 | 65 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 19 | 60 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 20 | 36 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 21 | 42 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 22 | 55 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 23 | 49 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 24 | 58 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 25 | 61 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 26 | 50 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 27 | 58 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 28 | 53 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 29 | 47 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 30 | 50 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 31 | 59 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 32 | 60 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 33 | 30 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 34 | 32 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 37 | 25 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 38 | 28 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 39 | 30 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 40 | 26 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 41 | 25 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 42 | 26 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 43 | 18 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 44 | 22 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 45 | 32 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 46 | 25 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 47 | 45 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 48 | 48 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 49 | 85 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 50 | 55 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 52 | 65 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 53 | 78 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 54 | 68 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 55 | 50 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 56 | 70 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 57 | 36 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 58 | 58 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 59 | 55 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 60 | 40 ft | Yes | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 61 | 25 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
| 62 | 32 ft | None | 3 | 3 nights | May 1, 2027, May 2, 2027, May 3, 2027 |
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?
Reservations for Big M are made through Recreation.gov. The current snapshot shows substantial availability: 177 of 177 tracked site-nights are open (100%), though availability can change. Campsite Sniper has also detected 1 site opening 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 Nov 2, 2026 16:20 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 here over the last 90 days, none in the last 7. A free alert watches around the clock and pings you the moment one appears.
Can I get a multi-night stay at Big M?
59 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts May 1, 2027 at site 01. Confirm and book on Recreation.gov.
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.
Which month has the most availability at Big M?
May 2027, with 177 open site-nights in the current snapshot of 177.
When is the next open date at Big M?
Campsite Sniper cannot answer that from the current snapshot. The availability data held for Big M begins May 1, 2027 — about 180 days after this snapshot was taken, so any earlier dates are outside what Campsite Sniper is tracking here rather than known to be unavailable. Check Recreation.gov for dates before May 1, 2027.
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