Geography of Arkansas

Physical and human geographic features of Arkansas

The geography of Arkansas varies widely. The state is covered by mountains, river valleys, forests, lakes, and bayous in addition to the cities of Arkansas. Hot Springs National Park features bubbling springs of hot water, formerly sought across the country for their healing properties.^[1][2] Crowley's Ridge is a geological anomaly rising above the surrounding lowlands of the Mississippi embayment.

The Buffalo National River, as it flows through The Ozarks to the White River, is a popular tourist attraction. It was designated the first national river in 1972 after years of conservation efforts in opposition to a United States Army Corps of Engineers plan to dam the river. The Arkansas River enters the state near Van Buren and flows southeast through Little Rock to empty into the Mississippi River near Arkansas Post. Most of the river serves barge traffic to Tulsa, Oklahoma as the McClellan–Kerr Arkansas River Navigation System.^[3] Through south Arkansas, the Ouachita River and the Saline River run roughly parallel to the Arkansas, and the major rivers in northeast Arkansas are the White River and St. Francis River. The Red River runs through the southwest corner of the state.

Arkansas has many manmade lakes across the state, many are the basis for state parks, wildlife management areas, or other recreation. Bull Shoals Lake, DeGray Lake, Lake Dardanelle, Lake Ouachita all have state parks along their shores, and Beaver Lake, Table Rock Lake, Greers Ferry Lake, Lake Hamilton and Lake Catherine are also major recreation lakes in the state.^[4]

The Ozarks is a broad term for many mountainous counties in northwest Arkansas. This region is usually referred to the Ozarks because the term Northwest Arkansas is the colloquial name for the Fayetteville–Springdale–Rogers Metropolitan Area, including Benton, Madison, Washington counties in Arkansas and McDonald County, Missouri.^[5] The Ozark, however, span from the Arkansas River in the south through north central Arkansas. The Boston Mountains subset contain highest peaks in the Ozarks.^[6]

Location and size [edit]

Location of Arkansas in the United States

Arkansas is located in the southeastern United States, in the West South Central Census Bureau division. Arkansas covers an area of 53,179 square miles (137,733 km²) and ranks as the 29th largest state by size.^[7] The state borders six U.S. states: Missouri to the north, Tennessee and Mississippi across the Mississippi River to the east, Louisiana to the south, Oklahoma to the west, and Texas to the southwest.

First added to the United States of America as part of the Louisiana Territory of the Louisiana Purchase in 1803, Arkansas later became part of the Missouri Territory upon its establishment in 1812.^[8] This was further divided into the Arkansaw Territory on March 2, 1819 as everything south of Parallel 36°30′ north (except the Missouri Bootheel) to the Louisiana state line. This new territory also included most of present-day Oklahoma until gaining its current boundaries in the 1840s. The slight oddity in Arkansas's western boundary results from a dispute with the Choctaw Nation in 1824. The Choctaws wanted the western boundary of Arkansas to start 100 paces east of Fort Smith and run south to the Red River, claiming the land had little timber and poor soil. Despite protests from Henry Conway, President James Monroe signed the bill into law on January 20, 1825.^[9]

Regions [edit]

Arkansas's regions are defined using many different criteria. Distinct natural regions of Arkansas include The Ozarks, Ouachita Mountains, Arkansas River Valley, Gulf Coastal Plain, Crowley's Ridge, the Arkansas Delta, Arkansas Timberlands, and Central Arkansas. Arkansans usually identify as being from one of five regions: northwest, southwest, northeast, southeast, or central Arkansas. These directional regions are not specifically defined by county.

Northwest Arkansas [edit]

View from scenic overlook in Carroll County in the heart of the Ozarks.

Northwest Arkansas contains the southern half of the Ozarks, including the steeper Boston Mountains and the more gentle Springfield Plateau. These mountains are heavily forested by an oak-hickory ecosystem and less than 25% has been cleared for agriculture.^[10] The Ozark National Forest, administered by the National Forest Service, preserves 1,200,000 acres (490,000 ha) of land in northwest Arkansas, including Arkansas's highest point, Mount Magazine in Mount Magazine State Park. Also within northwest Arkansas is the Arkansas River Valley including the tri-peaks tourist region of Mount Nebo, Mount Magazine, Petit Jean Mountain, and Lake Dardanelle.^[11] Federal and state protected areas such as the Buffalo National River, Buffalo National River Wilderness, Bull Shoals–White River State Park, and Hobbs State Park – Conservation Area preserve the northwest Arkansas Ozarks in their natural state.

Population is anchored by the Fayetteville–Springdale–Rogers Metropolitan Area and Fort Smith metropolitan area, with sparsely populated mountainous areas defining the remainder of the region. The Ozark culture, such as Ozark Folk Festival held annually in Mountain View, defines much of the rural parts of northwest Arkansas. The Ozark Folk Center in Mountain View is dedicated to preserving northwest Arkansas's folk heritage.^[12] Other cultural centers are Bentonville, home to Crystal Bridges Museum of American Art, and Fayetteville, home to the University of Arkansas and Walton Arts Center.^[13]

Northeast Arkansas [edit]

Lake Frierson State Park is atop Crowley's Ridge in northeast Arkansas

Northeast Arkansas is generally characterized as the area east of the Ozark Mountains and north of Interstate 40. The land is adjacent to the Mississippi River and generally flat, fertile, swampy lands sometimes called the Arkansas delta. The exception is Crowley's Ridge, a geological remnant from the Pleistocene era that raises around 200 feet (61 m) above the surrounding delta lowlands.^[14] Crowley's Ridge is more populated than the sparsely populated delta, including larger cities Jonesboro, Paragould, Forrest City, and Wynne. Primary waterways in the regoin include the Cache River, St. Francis River, and the Black River. Protected areas of northeast Arkansas include Cache River National Wildlife Refuge, Bald Knob National Wildlife Refuge, Wapanocca National Wildlife Refuge, Lake Charles State Park, and Lake Poinsett State Park.

Tourists can explore some of the local Native American culture at the Nodena Site, Parkin Archaeological State Park, and Hampson Museum State Park. Following settlement, most of the area relied on cotton as the primary cash crop, and was home to many powerful plantation owners in the antebellum period. After the Civil War, agriculture became based on sharecropping and tenant farming, allowing plantation owners to keep their workers in poverty and maintain their political power. The rivers served as highways for commerce and communication in the early days, and steamboat towns of days past have been restored for visitors to enjoy, including Jacksonport State Park and Powhatan Historic State Park along the Black River. Davidsonville Historic State Park preserves one of the state's first settlements as a frontier town, also located on the Black River. The primary population center of the region is the Jonesboro metropolitan area, with Jonesboro serving as the principal city.

Hydrology [edit]

Rainfall in Arkansas is split almost in half along a northeast/southwest dividing line by the Natural Resources Conservation Service, with the northeast being characterized as arid-semiarid climate and the southwest being a Gulf-influenced humid-subhumid climate.^[15] The area that receives the most rain in the state is the area south of the Ouachita Mountains, which form an orographic effect (commonly known as rain shadow) to take place when storms move north from the Gulf.

Protected areas [edit]

View from Mather Lodge at Petit Jean State Park

Arkansas has many protected natural areas administered by several different organizations. The Ozark Mountain forests have been subdivided into the Ozark National Forest, St. Francis National Forest, and the Ouachita National Forest, maintained by the United States Forest Service.^[16][17] The Forest Service also maintains the Black Fork Mountain Wilderness, Blanchard Springs Caverns, and several other recreational areas within the forests.

Administered by the National Park Service (NPS), Hot Springs National Park was the nation's first national park. The park includes Bathhouse Row, a formerly bustling avenue of Gilded Age architecture bathhouses which used the spring water to cure dozens of ailments. The NPS also maintains three National Historic Sites in Arkansas: Fort Smith National Historic Site, Little Rock Central High School, and the President Clinton Birthplace. Pea Ridge National Military Park is the only National Military Park, and Arkansas Post National Memorial is the lone National Memorial in the state.

The Arkansas Department of Parks and Tourism maintains 52 state parks in Arkansas as well as Poison Springs State Forest.^[4] Parks range from large forested areas for hiking enthusiasts, to lakes and rivers for watersports, to interpretive historical sites, to cemeteries celebrating historically significant Arkansans. Some of the most frequently visited parks include Mount Magazine State Park, DeGray Lake Resort State Park, Crater of Diamonds State Park, Pinnacle Mountain State Park, Petit Jean State Park, Devil's Den State Park, Crowley's Ridge State Park, and Lake Ouachita State Park.

See also [edit]

Wikimedia Commons has media related to: Geography of Arkansas

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References [edit]

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