Army Corps of Engineers · Missouri
John C. Briscoe Group Use
Army Corps of Engineers · Missouri, United States
- Sites
- 7
- Hookups
- 2 electric
- Season
- May 7 to September 26
- Max RV length
- 60 ft
- Group sites
- Yes
- Showers
- Yes
- Elevation
- 719 ft
- Dark sky
- Bortle class 3
- Cell coverage
- AT&T weak · T-Mobile good · Verizon good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Lake
- Mark Twain Lake
- Nearest town
- MONROE CITY
- Address
- 20642 HIGHWAY J, MONROE CITY, MO, 63456-9359
- Phone
- 573-735-4097
- Activities
- Camping
7 numbered sites are mapped one by one - open the site map to pick yours.
About
Overview
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."
Recreation
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.
Facilities
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.
Natural Features
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.
Nearby Attractions
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.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 35° | 19° | -12° | 61° | 11 of 11 |
| February | 43° | 26° | -8° | 69° | 10 of 11 |
| March | 55° | 38° | 11° | 80° | 8 of 11 |
| April | 65° | 45° | 30° | 85° | 4 of 11 |
| May | 75° | 60° | 43° | 88° | 0 of 11 |
| June | 86° | 68° | 54° | 98° | 0 of 11 |
| July | 88° | 71° | 64° | 97° | 0 of 11 |
| August | 84° | 70° | 60° | 95° | 0 of 11 |
| September | 83° | 65° | 54° | 94° | 0 of 11 |
| October | 65° | 48° | 31° | 87° | 1 of 10 |
| November | 54° | 38° | 11° | 75° | 6 of 10 |
| December | 43° | 30° | 4° | 72° | 9 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Ray Behrens · Army Corps of Engineers · 1 mi · 166 sites
- Frank Russell · Army Corps of Engineers · 1 mi · 72 sites
- Indian Creek (Mo) · Army Corps of Engineers · 5 mi · 249 sites
- Mark Twain State Park · Missouri State Parks · 9 mi · 101 sites
- Shelbina Lake Campground · City, County & Regional Parks · 24 mi · 90 sites
All public campgrounds in Missouri · Every state and province · Facts read from the operator 2026-07-30. Confirm fees, rules and current status with the operator before you go.