Pick a site on the map to see its availability calendar.
No detected openings were recorded in the last 90 days. Campsite Sniper monitors John C. Briscoe Group Use continuously and will alert you if that changes.
Of the 366 tracked site-dates (Nov 2, 2026 – May 3, 2027): 366 unavailable (cause unspecified).
Of the 366 tracked site-dates (Nov 2, 2026 – May 3, 2027): 366 unavailable (cause unspecified).
No month in range currently shows online availability. 0 open site-dates across the tracked window — these site-dates are marked unavailable.
| Window | Night | Sites open | Status |
|---|---|---|---|
| Thanksgiving | THU Nov 26 | 0 | None open |
| FRI Nov 27 | 0 | None open | |
| SAT Nov 28 | 0 | None open | |
| Christmas | THU Dec 24 | 0 | None open |
| FRI Dec 25 | 0 | None open | |
| New Year | THU Dec 31 | 0 | None open |
| FRI Jan 1 | 0 | None open | |
| 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 |
Thanksgiving: no online availability on any tracked night. Christmas: no online availability on any tracked night. New Year: no online availability on any tracked night. Memorial Day: no online availability on any tracked night.
| Window | Date | Units open | Status |
|---|---|---|---|
| Thanksgiving | THU Nov 26 | 0 | None open |
| FRI Nov 27 | 0 | None open | |
| SAT Nov 28 | 0 | None open | |
| Christmas | THU Dec 24 | 0 | None open |
| FRI Dec 25 | 0 | None open | |
| New Year | THU Dec 31 | 0 | None open |
| FRI Jan 1 | 0 | None open | |
| 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 |
Thanksgiving: no online availability on any tracked date. Christmas: no online availability on any tracked date. New Year: no online availability on any tracked date. Memorial Day: no online availability on any tracked date.
The scenic John C. "Jack" Briscoe Group area, previously named the M.W. Boudreaux Group Area, is an ideal place for families and groups to explore and enjoy Mark Twain Lake.
More than 2 million visitors travel to the Mark Twain lake region to enjoy the overall magnetism of the area, thanks in part to the author's beloved classics, "The Adventures of Tom Sawyer" and sequel, "Adventures of Huckleberry Finn."
Fishing, boating and hunting are very popular at John C. Briscoe. Deer and turkey are common wildlife, and bass is the most popular catch in the lake.
The John C. "Jack" Briscoe Group Use Area includes the entire campground, excluding the picnic shelter. The campsites offer paved parking for RVs, a shaded area for tent campers and an open area for sporting activities. All sites have electric hookups.
Mark Twain lake is large reservoir fed by the waters of the Salt River in northern Missouri. A variety of recreation areas line the lake, in addition to Mark Twain State Park on the western edge of the lake.
Beside the lake is the village of Florida, where Mark Twain was born. Twenty-five miles east is the town of Hannibal, where visitors can tour the author's boyhood home.
From Hannibal, MO, travel west on highway 36 for 17 miles, then continue south on Route J and head south 10 miles. From Perry, travel north on Rt. J for 9 miles.
View on Recreation.gov ↗ Get directions ↗





Campsite Sniper's current snapshot shows none of the 366 tracked site-dates open for online reservation at John C. Briscoe Group Use. That can mean dates are reserved, closed, not yet released, or offered first-come, first-served rather than online. Pick a site or unit 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 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.
1 of the 1 site that support RV analysis has a recorded maximum of 35 ft or more; the longest recorded is 60 ft.
As of the Nov 2, 2026 snapshot, none of the 366 tracked site-dates 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.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for John C. Briscoe Group Use. 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.