The ground: a forest in pieces, a river the Park Service runs, thirteen Corps projects
Missouri’s 1,704,258 federal acres are split among five agencies: the Forest Service with 1,510,185, the Department of Defense with 77,252, the Fish and Wildlife Service with 62,020, the National Park Service with 54,742 and the BLM with 59. At 3.9 percent, the federal share is small, and the practical effect is that public ground here is a scatter of units with private land pressed against them. Fort Leonard Wood, an Army base the Forest Service describes as having a daily population of 35,000, is surrounded by national forest on three sides west of Rolla.
The Mark Twain National Forest is one forest administered as six units from a supervisor’s office at 401 Fairgrounds Road in Rolla: Ava, Cassville and Willow Springs in the southwest; Eleven Point and Doniphan; Houston, Rolla and Cedar Creek; Poplar Bluff; Potosi and Fredericktown; and Salem. It holds seven congressionally designated wilderness areas, among them the 16,277-acre Irish, the 12,413-acre Hercules-Glades, the 9,143-acre Bell Mountain, the 8,178-acre Piney Creek, the 7,035-acre Paddy Creek and the 4,238-acre Rockpile Mountain. It also holds over 44,000 acres of glade, 26,708 of them in the Ava area alone.
Ozark National Scenic Riverways protects the Current and Jacks Fork, and the Park Service is direct about what a vehicle may do there: off-road vehicles are prohibited in most of the park except on county roads, and not on park-owned roads, campground roads, state highways, gravel bars or in the rivers. Which roads are legal comes from the park’s 2022 Roads and Trails Management Plan as amended in 2024. Big Spring, four miles south of Van Buren, puts out some 289 million gallons a day and is the largest spring in the state.
Water is also where the campgrounds are. The Corps of Engineers lists thirteen Missouri projects, among them Harry S. Truman at Warsaw, Table Rock above Branson with thirteen campgrounds beside the lake, Stockton with over 298 miles of shoreline and 24,700 acres of water, the 45,000-acre Wappapello project on the St. Francis, Clearwater seven miles west of Piedmont and Mark Twain Lake with 18,600 acres of water. Missouri State Parks adds 57 state parks and 36 historic sites, and the Department of Conservation says more than 300 of its conservation areas allow camping, free and mostly first come, first served. The 2020 Census counted 6,154,913 residents across the 44.2 million acres all of this sits in.
Source 1
Rain, ice and the two things that shut a road here
Nothing in Missouri closes for altitude. Things close for water. NOAA puts annual average precipitation between 35 inches in the northwest and 55 in the southeast, says that for large portions of the state more than 40 percent of the year’s total falls on the ten wettest days, and notes that Missouri ranked fourth in state losses due to flooding between 1955 and 1997. Annual average temperatures vary by about 10 degrees from the north of the state to the south.
That pattern lands on a road network with a lot of crossings in it. The National Weather Service says its flooded-road signs belong where a road dips down to the level of a stream channel or at a bridge or culvert that cannot pass high flows, and that 12 inches of rushing water carries away most cars while two feet carries away SUVs and trucks. MoDOT puts the figure at two feet for most automobiles, warns that road beds may be washed out under flood water, and says never to drive around a barrier. State law lets an off-road vehicle enter a stream only to ford it at a customary road crossing.
Winter is short and slick rather than deep. MoDOT says Missouri averages 8 to 24 inches of snow a year with the heaviest amounts in the northern half, that freezing rain and ice have a significant effect on travel, and that driving is most dangerous when temperatures are near 32 degrees. Its crews use an average of 100,270 tons of salt a winter. NOAA’s figures are split by latitude: more than 20 inches of snow a year in the north against less than 5 in the south. Both are published; they measure different things.
The camping calendar follows the same logic. Most Mark Twain campgrounds stay open year-round, but the ones on water do not: Watercress runs May 1 to October 1, Council Bluff and Red Bluff April 23 to October 26, Loggers Lake and Marble Creek April 9 to October 26, and Sutton Bluff April 2 to October 26 in 2026. The Mingo National Wildlife Refuge auto tour ran March 1 through November 30 in its 2025 season. Taum Sauk Mountain State Park keeps its walk-in campground open all year but turns the water off outside April 1 to October 31.
Source 36
What Missouri asks of a vehicle
A licensed truck or van is welcome on more ground here than an off-highway vehicle is. The Forest Service says you may drive passenger cars, trucks and vans on any open Forest Service system road, that open numbered roads carry a post or a sign, and that anything not posted or shown on the Motor Vehicle Use Map is a non-system road and closed to motors. Four Forest Visitor Maps cover all six administrative units, and 168 topographic quadrangles cover the forest.
Width is the limit that catches people. Both designated off-highway trail systems on the Mark Twain are closed to vehicles wider than 50 inches, and at Sutton Bluff the Forest Service says plainly that the bridges cannot support anything wider. Finger Lakes State Park caps its off-road area at 64 inches and says automobiles, pickup trucks, jeeps and dune buggies are not permitted off the normal park roadways. A full-size four-wheel drive is a road vehicle in Missouri, not a trail vehicle, with St. Joe State Park the one large exception.
Missouri’s three off-highway classes are all defined as machines manufactured and used exclusively for off-highway use: an all-terrain vehicle at 1,500 pounds dry weight or less, a utility vehicle and a recreational off-highway vehicle at 50 to 80 inches wide and 3,500 pounds or less. A plated full-size truck is none of the three, so the state ATV decal and the county permit do not apply to it. That is our reading of the three definitions rather than a sentence the state publishes.
Carry a way to know where you are, and expect to get wet. The Park Service offers the plainest field test in the state: if you cannot drive a two-wheel-drive car on a road, it is probably not a legal county road and should not be used. Fords on the Current and the Jacks Fork are named crossings on county roads, among them Akers Ford on State Highway K, Banks Ford on Shannon County Road 359, Moloney Ford on Shannon County Road 235A and Ratliff Ford on Texas County Road 3940. Every one of them is a river, and rivers rise.
Source 9
Passes and routes
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The fords of the Ozark Riverways, by name
The park’s compendium names the legal crossings: Ratliff Ford on the Jacks Fork at Texas County Road 3940, Blue Spring Ford on the Jacks Fork at Shannon County Road OO-493, and on the Current River, Bluff School Road at Shannon County Road 385A, Akers Ford on State Highway K, Banks Ford at Shannon County Road 359 and Moloney Ford at Shannon County Road 235A. Anywhere else, a vehicle in the river is an offence rather than a photograph. 22
- Vehicle
- Only at an approved crossing, and only to cross and continue
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The largest spring in the state and one of the largest in the world, putting out some 289 million gallons on an average day. The Park Service counts several first magnitude springs on the riverways, meaning over 65 million gallons a day each. They are the reason the rivers run clear in August, and they are all a short drive off the county roads. 24
-
Katy Trail State Park
240 miles, Clinton to Machens
The longest developed rail-trail in the country runs 240 miles from milepost 264.4 at Clinton to milepost 26.9 at Machens. It carries no motor traffic and the state provides no camping along it, so for this guide it is a line to cross and a reason certain small towns have services at all. 44
- Vehicle
- No motor vehicles other than official or emergency vehicles
-
Glade Top Trail National Forest Scenic Byway
23 miles
Ava south to Longrun or west to Highway 125, on Forest Roads 147, 149 and 150
The Forest Service calls it a two-lane, all-weather gravel road that follows narrow ridge tops rising approximately 500 feet above the rolling country around them, with seven overlook pull-outs. It was designated a scenic byway in 1989 and has changed little since the Civilian Conservation Corps built it in the 1930s. There is no potable water at any stop. Dispersed camping is allowed at Willie Lee, with no fire rings or tables. 12
- Vehicle
- Any car. A county permit is needed to ride an ATV or UTV on it
- Season
- January through December
-
Blue Buck Knob National Forest Scenic Byway
24 miles
Highway 181 south from Cabool to Highway AP, ending where AP meets Highway 14
A short byway through farmland, pasture and wooded hillside with several overlooks. Points of interest along it are Indian Creek Overlook, Blue Buck Overlook, Noblett Recreation Area on its 26-acre lake, and the Blue Hole Trailhead, where the Ridge Runner and Ozark trails start. The remains of the Civilian Conservation Corps Camp Willow sit about 2.5 miles east of Highway AP on Forest Road 108. No potable water at any stop along it. 13
- Vehicle
- Any car. The Forest Service says no permits are required for passenger cars
- Season
- January through December. Day use only; no overnight camping allowed
-
Sugar Camp National Forest Scenic Byway
28 miles, 8 of them gravel
Highway 112 south of Roaring River State Park, by Forest Road 197 to Highway 86 near Table Rock Lake, then back toward Cassville
The Forest Service describes 20 miles of paved highway and an 8-mile section of maintained gravel forest road. Turn right off Forest Road 197 at Forest Road 1004 for the Sugar Camp Fire Tower, built by the Civilian Conservation Corps in the 1930s, where climbing the tower is not allowed. The Onyx Observation Area is about 1.5 miles further on and holds two parking spaces. There is no potable water on the route. 14
- Vehicle
- Any car. Riders on the byway must obey county and local law
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Ozark National Scenic Riverways county roads and fords
Akers, Pulltite, Round Spring, Two Rivers, Alley Spring, Big Spring and the county roads between them
This is the drive along the Current and the Jacks Fork, and it is narrower in law than it looks on a map. Off-road vehicles are prohibited in most of the park except on county roads, and never on park roads, campground roads, state highways, gravel bars or in the rivers. Six road fords double as river landings: Ratliff Ford on Texas County Road 3940 and Blue Spring Ford on Shannon County Road OO-493 on the Jacks Fork, and Bluff School Road, Akers Ford on State Highway K, Banks Ford and Moloney Ford on the Current. Which roads are open comes from the park’s 2022 Roads and Trails Management Plan, amended in 2024. 21
- Vehicle
- The Park Service’s own test: if a two-wheel-drive car cannot drive it, it is probably not a legal county road
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Mark Twain National Forest road system
Six administrative units across the Ozark Highlands, from Cedar Creek near Columbia to Doniphan near the Arkansas line
The forest is the main dirt-road network in Missouri for a full-size vehicle, and the Motor Vehicle Use Map is what makes a road legal rather than the road itself. Open numbered roads are physically signed. Roads not posted or shown on the map are non-system roads and closed to motors under 36 CFR 261.13. Four Forest Visitor Maps cover all six units at half an inch to the mile and 168 topographic quadrangles cover the forest; the maps also load in a phone app for live position. The forest has over 750 miles of trail, but almost all of it is closed to motors. 9
- Vehicle
- Passenger cars, trucks and vans on any open numbered system road
-
Chadwick Motorized Trails System
Nearly 80 miles
About four miles southwest of Chadwick, with trailheads at Cobb Ridge, Camp Ridge and KC Pavilion
A 12-square-mile block of rough forest with ridge-top and hollow trails that the Forest Service rates mostly moderate while saying all riders will meet advanced riding challenges. Published grades run to 30 to 40 percent on trails 122, 124, 126 and 135. Cross-country travel is allowed at only two places, a 3-acre family play area west of Cobb Ridge Campground and a 5-acre trials bike area near the head of Cobb Ridge. No drinking water at trailheads or on the trail. An approved spark arrester and a working muffler are required. 10
- Vehicle
- ATVs, UTVs, motorcycles and mountain bikes no more than 50 inches wide. Permit required
- Season
- Open January through December. The Forest Service names fall and spring as the best seasons
-
Sutton Bluff ATV, UTV and Motorcycle Area
About 45 miles
Centerville by County Roads 907 and 849, in the river breaks of the West Fork of the Black River
Segmented trails on forested ridge tops crossing deep hollows, reached over county and Forest Service roads rather than directly from the campground. The Forest Service says the bridges cannot support a vehicle wider than 50 inches and that unlicensed motorcycles are not permitted on county or Forest Service system roads. Sutton Bluff Campground on the West Fork has 33 single sites, 14 of them electric, and takes rigs up to 50 feet except at sites 29, 32 and 33. The Karkaghne section of the Ozark Trail starts less than a mile away. 11
- Vehicle
- ATVs and UTVs 50 inches or less. Forest permit plus a Reynolds County permit for the connecting roads
- Season
- The campground ran April 2 to October 26 in 2026
-
St. Joe State Park off-road vehicle area
54 miles of trail
Park Hills, off US 67 at the Fairgrounds Drive exit for the Donnelly-LaMear Trailhead
One of only two off-road riding areas in the Missouri state park system, and the one open to four-wheel vehicles, on ground the St. Joe Minerals Corporation gave the state in 1976. Trails run through woods and across sand flats made of tailings from a century of lead milling, and mined ground underlies about a quarter of the park. Signs mark the boundary and all off-road vehicles must stay inside it. Campground 1 sits beside the riding area with reservable electric and basic sites and trail access for unlicensed machines that may not use park roads. 42
- Vehicle
- Off-road vehicles, two-wheel and four-wheel, inside the marked boundary only. Snowmobiles in winter
- Season
- The Donnelly-LaMear entrance runs Thursday to Sunday, 7 a.m. to 8 p.m. April through October and 7 a.m. to 5 p.m. November through March
-
Finger Lakes State Park off-road area
More than 900 acres of trail
North of Columbia on Highway 63
A 1,128-acre park on the old Mark Twain Mine, a Peabody Coal strip pit worked between 1964 and 1967 and left with its ridges and ravines intact. Missouri State Parks says the steep hills and deep ravines will challenge the skills of even the most experienced riders, and is explicit that automobiles, pickup trucks, jeeps and dune buggies are not permitted off the normal park roadways. A motocross track sits in the central day-use staging area and is open to motorcycles and ATVs only. 43
- Vehicle
- Motorcycles, four wheelers and side-by-sides no more than 64 inches wide
-
Ozark Highlands Auto Tour, Mingo National Wildlife Refuge
The refuge in southeast Missouri, on the eastern boundary of the national forest
A wildlife drive across 21,592 acres of bottomland hardwood forest, cypress-tupelo swamp, marsh and upland forest, in a corner of southeast Missouri the Fish and Wildlife Service says once held 2.5 million acres of the same country. The refuge keeps the tour road on a season rather than open all year, and states its dates a year at a time, so confirm this year’s before you plan around it. 50
- Vehicle
- Any car, on the refuge drive only
- Season
- The refuge’s 2025 season ran March 1 through November 30
-
Taum Sauk Mountain State Park
1,772 ft
Highway CC off Highway 21 south of Ironton
The road to the roof of Missouri, and the easiest state high point in the country to reach: the park says it is an easy walk from the parking lot to the highest point at 1,772 feet. The Mina Sauk Falls loop drops to the state’s tallest waterfall, 132 feet down volcanic ledges, and looks into the state’s deepest valley, with up to 700 feet of vertical relief. The park is the core of the 7,028-acre St. Francois Mountains Natural Area, the largest natural area in Missouri. Twelve walk-in campsites, first come only, no showers and no dump station. 41
- Vehicle
- Any car. Tent camping only; pop-ups and trailers are not allowed
- Season
- Campground open year-round. Water is on only from April 1 to October 31
-
Missouri’s lettered routes
18,993 miles
The whole state, linking numbered highways to the forest, the rivers and the Corps lakes
Missouri’s supplemental system is its own thing and worth understanding before you plan a day. Beyond 1,385 miles of interstate, 3,412 miles of US route and 8,259 miles of state route, MoDOT maintains 18,993 miles of lettered route, single and double letters that carry local traffic out to farms, river landings and trailheads. The department classes 10,465 miles of its network as low-volume routes carrying about one percent of traffic, and these are the roads that reach the ground in this guide. They are also the first to be affected by high water. 32
- Vehicle
- Any car, with the caveat that surface and width vary
Rules worth knowing
- Over 750 miles of trail, and two places to ride
- The Mark Twain National Forest has over 750 miles of trail for hiking, horseback riding, mountain biking and motorised use, but only two designated off-highway vehicle systems: Chadwick in Christian County and Sutton Bluff in Reynolds County. Everything else motorised happens on forest system roads, and the forest says which: you may drive cars, trucks and vans on any open Forest Service system road, and open numbered roads are physically marked with a post or sign. 7
- Seven wilderness areas, and none of them take a vehicle
- The forest holds seven wilderness areas with published acreages: Irish at 16,277 acres, Hercules Glades at 12,413, Bell Mountain at 9,143, Piney Creek at 8,178, Paddy Creek at 7,035 and Rockpile Mountain at 4,238. They are the pieces of the Ozarks where the road network simply stops, and the boundary is the rule rather than the surface. 16
- Fort Leonard Wood sits in the middle of the forest
- The forest notes that Fort Leonard Wood, an army base with a daily population of 35,000, is surrounded by national forest on three sides west of Rolla. It is the reason the road pattern around Waynesville reads oddly on a map, and a reminder that a green area is not automatically open ground. 8
- Most forest campgrounds are open all year
- The forest publishes opening dates for the handful that close, North Fork 1 April to 1 December, Watercress 1 May to 1 October, Council Bluff 23 April to 26 October, Loggers Lake 9 April to 26 October, and then states that any campground not listed is open year round. In a state with no snow season worth the name in the south, that is most of them. 15
- It takes 168 topographic maps to cover the forest
- The Mark Twain publishes a set of four visitor maps covering all six administrative units, and notes that 168 topographic quadrangles cover the forest. That is a fair measure of how scattered it is: six units in one forest, spread across the Ozarks rather than gathered in a block. 17
- The Ozark Trail is 230 miles and carries no motors
- The Ozark Trail runs 230 miles between Onondaga Cave State Park and the western edge of the Mark Twain National Forest in 13 sections, for hiking, backpacking, biking and horses. It crosses the forest roads this guide is about, and a trailhead on a forest road is a place to park rather than a route to follow. 20
- On the riverways, camping is 14 days and vehicles stay out of the gravel
- Camping is limited to 14 days in any 30 in the same campground, and all equipment including vehicles must be off the site at the end of it. Gravel bar camping is for visitors who arrive by boat, limited to five days at a site; anyone camping from a vehicle uses the primitive, backcountry or developed campgrounds. Vehicles may be left unattended over 24 hours only in designated parking areas, for up to seven days. 23
- More than 300 conservation areas allow camping, and all of it is free
- The Department of Conservation states that more than 300 of Missouri’s conservation areas offer camping, that all of it is free, and that most is first come, first served. There are no hookups anywhere on department land and campers bring their own water. Stays run 14 consecutive days in any 30, with a total of 30 camping days on all department land in a calendar year. 27
- A utility vehicle may not be driven in a river either
- The statute covering utility vehicles carries the same prohibition as the one covering all-terrain vehicles: no operating off-road within any stream or river in the state, except to ford it at a crossing that is customary or part of the highway system. Missouri’s gravel bars look like invitations and are not. 29
- An out-of-state machine has thirty days
- No person may operate an all-terrain vehicle in Missouri unless it is registered with the Department of Revenue, with an exemption for machines covered by a valid registration of another state or country that have not been in Missouri more than thirty days. A plated highway vehicle is registered as a highway vehicle and is outside this regime entirely. 30
- What the ATV decal costs
- Titling and registering an all-terrain vehicle in Missouri runs to an 8.50 dollar title fee, a 10.25 dollar registration decal fee and an 18 dollar processing fee, with the decal renewed every three years at 10.25 plus 9 dollars processing. The state defines an all-terrain vehicle as used exclusively off-highway with an unladen dry weight of 1,500 pounds or less, and a utility or recreational off-highway vehicle as 50 to 80 inches wide at 3,500 pounds or less. A full-size plated truck is none of the three. 31
- Missouri gets 8 to 24 inches of snow, and 100,270 tons of salt
- The Department of Transportation puts average annual snowfall at 8 to 24 inches, heaviest in the northern half, and warns that freezing rain and ice affect travel as much as snow does. It spreads a five-year average of 100,270 tons of salt a winter. For a vehicle that lives here, corrosion is the winter problem rather than traction. 33
- Never drive around a barrier on a flooded road
- The state’s flood guidance is short and absolute: never attempt to walk or drive through water-covered or flooded roadways, two feet of water can carry away most automobiles, road beds may be washed out under flood water, and never drive around barriers warning that a road is flooded. Missouri ranked fourth in the country for flood losses between 1955 and 1997, which is the context for how seriously the barriers are meant. 34
- Twelve inches of moving water moves a car
- The Weather Service puts the threshold at twelve inches of rushing water to carry away most cars and two feet to carry away an SUV or a truck, and explains where the warning signs go: a road that dips to the level of a stream channel, or a bridge or culvert that cannot pass high flows. Low-water crossings on Ozark county roads are exactly that shape. 35
- The ground is hollow: 7,500 caves and 16,000 sinkholes
- Missouri has more than 7,500 caves, more than 16,000 known sinkholes and more than 4,400 springs. That karst is why the rivers run clear, why a rainstorm forty miles away can raise a ford, and why the Mark Twain National Forest closed every cave and mine on its land by order through 2031. 38
- 57 state parks, and they close at sunset
- Missouri State Parks runs 57 parks and 36 historic sites. They are generally open from sunrise to sunset for anyone not camping or staying in park lodging, and camping is limited to 15 days in any 30 consecutive days at one park or site. That sunset rule is the one that catches people planning to arrive late and sleep in the vehicle. 39
- The park rules are published as law, not as guidance
- Missouri State Parks publishes its laws and regulations as a single body covering hours, camping, vehicles and conduct across the system. Read them once rather than per park: the differences between individual parks are mostly facilities and season, and the rules themselves are statewide. 40
- Thirteen Corps projects hold most of the big water
- The Corps of Engineers lists thirteen projects in Missouri: Blue Springs, Clearwater, Harry S. Truman, Illinois River-Riverlands, Long Branch, Longview, Mark Twain Lake, Upper Mississippi River, Pomme de Terre, Smithville, Stockton, Table Rock and Wappapello. Our build of the federal recreation database finds 46 of the state’s 66 drivable federal campgrounds on Corps ground, which is where most of the camping actually is. 45
- Stockton is 298 miles of shoreline
- Stockton Lake carries over 298 miles of shoreline, twelve parks and 24,700 acres of water. Shoreline mileage is the number that matters on a Corps lake: it is what decides how many separate places you can reach a bank from, and how far apart they are by road. 46
- Wappapello is a 45,000-acre project from 1941
- Wappapello Lake is a 45,000-acre project on the St. Francis River in southeast Missouri, completed in 1941 and averaging a million visitors a year. It is the closest big Corps water to the Ozark riverways and a reasonable base for the eastern end of the forest. 47
- Table Rock has thirteen modern campgrounds
- Thirteen modern campgrounds sit next to Table Rock Lake, which is the densest concentration of developed camping in this guide. Modern in Corps usage means hookups and facilities, so it is the answer for a rig that needs them rather than for a night on gravel. 48
- Mark Twain Lake is 18,600 acres of water
- The lake behind Clarence Cannon Dam covers 18,600 acres in the northeast of the state, where public land is otherwise thin on the ground. It is the practical answer to where to sleep between the Mississippi and the middle of Missouri. 49
- Six million people, and almost none of them where you are going
- The 2020 census counted 6,154,913 residents in Missouri, most of them in and around two cities at opposite corners of the state. The Ozark counties this guide spends its time in are the emptiest part of it, which is why the fuel stops are further apart than the map suggests and why a county road can be the only road. 5
- Fourteen days, and then off the whole forest
- The Mark Twain National Forest’s stay limit is forest-wide rather than per site. Forest Order 09-05-20-01 prohibits camping in excess of 14 days in any 30-day period and states that once the 14 days are reached, no camping is allowed anywhere on the forest until the 30-day period ends, with the camp and its equipment removed. The same order caps a single developed campsite at eight people and two motor vehicles, and requires a working spark arrester on any combustion engine. 18
- Three agencies, three different stay limits
- Ozark National Scenic Riverways allows 14 days in a 30-day period in the same campground, and says all camping equipment including vehicles must be off the site at the end. The Department of Conservation allows 14 consecutive days in any 30-day period and caps the year at 30 camping days across all department lands. Missouri State Parks allows any 15 days within a 30-consecutive-day period at any one park or historic site. Count from the day you arrive, and count separately for each agency. 26
- An ATV or UTV needs a county permit, and a plated truck does not
- Missouri keeps off-highway vehicles off state highways. Counties and cities may issue special permits for ATVs and UTVs on their own roads for a fee of fifteen dollars, and the Forest Service says you may ride Forest Service roads only in counties that issue them, because not every county does. An ATV must also be registered with the Department of Revenue: $8.50 title, $10.25 decal and $18 processing, with the decal renewed every three years. Out-of-state machines are exempt until they have been in Missouri more than thirty days. 28
- Fifty inches wide, and no wider
- Both designated off-highway trail systems on the Mark Twain National Forest are closed to vehicles over 50 inches wide, and at Sutton Bluff the Forest Service says the bridges cannot carry anything wider. Finger Lakes State Park sets its limit at 64 inches and bans automobiles, pickup trucks, jeeps and dune buggies from leaving the park roadways. St. Joe State Park is the exception that takes four-wheel vehicles, inside a signed boundary. Everywhere else on public land in Missouri, a full-size four-wheel drive belongs on a road. 9
- Vehicles stay out of the water, and off the grass
- State law allows an off-road vehicle into a stream or river only to ford it at a crossing that is customary or part of the highway system. The Park Service bars vehicles from gravel bars, beaches and the rivers except at approved crossings, and allows gravel-bar camping only to people who float in, for five days at a site, telling anyone camping from a vehicle to use a campground instead. On Department of Conservation areas the Wildlife Code restricts vehicle use to graveled and paved roads and established parking areas unless posted otherwise. 25
- Every cave on the national forest is closed
- Forest Order 09-05-00-26-04 prohibits entering any cave or mine on National Forest System land inside the Mark Twain National Forest, to protect bats from white-nose syndrome, and runs through August 2031. Missouri has approximately 7,500 recorded caves and calls itself the Cave State, and plenty of them are open to visitors as show caves or in state parks, so the rule is specific: on the national forest, caves and mines are closed. The forest also posts a fire danger status and asks visitors to follow current campfire and brush burning restrictions. 19