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Arkansas Oak Natural Area
Arkansas Oak Natural Area, located in the south-central subdivision of the Coastal Plain, supports a number of plant species considered to be rare in Arkansas. Four plant associations are present on...
Baker Prairie Natural Area
Baker Prairie Natural Area is a remnant of what was once a 5,000-acre tallgrass prairie located west and south of present day downtown Harrison. It is the largest known remnant of Ozark Mountain...
Bear Hollow Natural Area
Bear Hollow Natural Area includes a mile of the intermittent Bear Hollow Creek, beginning about 0.25-mile upstream from its confluence with Rockhouse Creek. The natural area is enclosed by ridges...
Benson Creek Natural Area
Benson Creek Natural Area, located in the Mississippi Alluvial Plain of eastern Arkansas, provides an extension and buffer to a high-quality bald cypress-water tupelo swamp located along Bayou DeView....
Big Creek Natural Area
Big Creek Natural Area, located near the northeastern limit of the Arkansas Valley, includes approximately five miles of the course of Big Creek, a major tributary of the Little Red River. High water...
Big Fork Creek Natural Area
Big Fork Creek Natural Area, located in the Ouachita Mountains, is a small mesophytic tract containing an abundance of wildflowers and ferns, a free-flowing spring, and a small section of Big Fork...
Byrd Lake Natural Area
Byrd Lake is an oxbow lake that still interacts with its parent stream, Bayou Bartholomew, in times of high water. The natural area is representative of the natural boundary between the Coastal Plain...
Cache River Natural Area
Cache River Natural Area consists mainly of a forested wetland complex along the Cache River of the Mississippi Alluvial Plain. The natural area contains a high-quality river swamp and bottomland...
Cave Springs Cave Natural Area
Cave Springs Cave is basically a long "solution channel" formed by a groundwater fed stream. The stream is considered to be an outstanding example of an Ozark Mountains cave stream and hosts the...
Chalk Bluff Natural Area
Chalk Bluff is situated on the north end of the Arkansas portion of Crowley's Ridge where the St. Francis River cuts through the Ridge and divides Missouri's "bootheel" from Arkansas. Despite its...
Cherokee Prairie Natural Area
Cherokee Prairie Natural Area represents one of the largest remaining tracts of tallgrass prairie in the Arkansas Valley. Located just north of Charleston, this tract is a high-quality prairie...
Chesney Prairie Natural Area
Chesney Prairie Natural Area is one of the few tallgrass prairie remnants left on the Arkansas portion of the Springfield Plateau. Much of its flora and fauna is representative of the once extensive...
Coffee Prairie Natural Area
Coffee Prairie Natural Area, located in the Coastal Plain, preserves some of the last remaining examples of a type of grassland called "lowland sand prairie." This type of prairie is known to occur...
Virtual Tour Available
Cossatot River State Park-Natural Area
The Cossatot River is an outstanding example of an upland river in the Ouachita Mountains. As the river flows southward, it cuts through a series of east-west oriented ridges, producing magnificent...
Cove Creek Natural Area
Cove Creek Natural Area, located in the Arkansas Valley, contains almost a mile of the course of Cove Creek near its confluence with Cadron Creek. At this point the meandering stream cuts deeply...
Cow Shoals Riverfront Forest Natural Area
Cow Shoals Riverfront Forest Natural Area, located in the Arkansas Valley, lies within the floodplain of the Little Red River. The natural area contains a successional riverfront forest dominated by...
Cut-off Creek Ravines Natural Area
Cut-off Creek Ravines Natural Area, located in the Coastal Plain, contains two ravines that flow generally eastward from uplands to the adjacent bottomlands along Cut-off Creek. The ravines are...
Dardanelle Rock Natural Area
Dardanelle Rock, located in the Arkansas Valley, is an exposure of Hartshorne sandstone that was folded into a synclinal structure when the Ouachita Mountains were formed and then breached through...
Devil's Knob-Devil's Backbone Natural Area
Located in the Ozark Mountains, the Devil’s Knob site is a limestone-dolomite-sandstone glade occurring about ten miles southwest of Melbourne. Local topography consists of an uplift mountain...
Downs Prairie Natural Area
Down’s Prairie Natural Area is one of the few remnants of tallgrass prairie left on the Grand Prairie of eastern Arkansas (Mississippi Alluvial Plain). The natural area contains a diverse...
Falcon Bottoms Natural Area
Falcon Bottoms Natural Area is an excellent example of the narrow, but highly diverse, natural communities that occur along small to medium sized streams of the Coastal Plain. Bayou Dorcheat, which...
Fernwood Seep Natural Area
Fernwood Seep Natural Area consists of a complex of Ouachita Mountain wooded acid seeps, with a spring-fed stream and upland pine-oak/hickory forests. Wooded acid seeps are rapidly disappearing from...
Gap Creek Natural Area
Gap Creek is a small upland tributary of the Caddo River located in the Ouachita Mountains. The creek is spring fed and runs year-round. The natural area is surrounded by the Ouachita National...
Garrett Hollow Natural Area
Garrett Hollow is located at the northern edge of the Boston Mountains in the Ozark Highlands ecoregion. The natural area is marked by rugged topography and consists of diverse hardwood forests and...
Goose Pond Natural Area
Goose Pond Natural Area, located in the Arkansas Valley, is a mosaic of open water and vegetated wetlands. Plant communities within the natural area include young water tupelo-bald cypress swamps,...
H. E. Flanagan Prairie Natural Area
H.E. Flanagan Prairie Natural Area is an excellent example of the tallgrass prairie that once occurred across this part of the Arkansas Valley. Along with prairie grasses, the natural area hosts a...
Virtual Tour Available
Hall Creek Barrens Natural Area
Hall Creek Barrens Natural Area, acquired in cooperation with the Arkansas Field Office of The Nature Conservancy, is a diverse property containing saline glades, mound woodlands, pine-hardwood...
Hell Creek Natural Area
Located on the Salem Plateau of the Ozark Mountains, Hell Creek Natural Area hosts the only known population of the albinistic cave crayfish. Most of Hell Creek Cave is wet year-round, with many of...
Holland Bottoms Willow Oak Forest Preserve
Holland Bottoms Willow Oak Forest Preserve is located in the Mississippi Alluvial Plain. Jacks Bayou, a tributary of Bayou Two Prairie, bisects the natural area. A bottomland hardwood forest...
Holloway Memorial Natural Area
Holloway Memorial Natural Area is representative of the once extensive forests that occurred along terraces of the Grand Prairie of eastern Arkansas (Mississippi Alluvial Plain). The topography and...
Iron Mountain Natural Area
Iron Mountain Natural Area is located within the Fourche Mountain subdivision of the Ouachita Mountains. The area is bisected by Paul Branch, a small, intermittent stream which defines the valley...
Kings River Falls Natural Area
Kings River Falls Natural Area is located at the interface of the Springfield Plateau and Boston Mountains subdivisions of the Ozark Mountains. The natural area includes Kings River with Kings River...
Virtual Tour Available
Kingsland Prairie Natural Area
Kingsland Prairie Natural Area, located in the Coastal Plain, consists of a mosaic of salt slick barrens, saline prairie, prairie mound woodlands, pine savanna, and bottomland hardwood forest...
Virtual Tour Available
Konecny Grove Natural Area
Konecny Grove Natural Area is one of the few remaining examples of slash woodland that once occurred across certain parts of the Grand Prairie of eastern Arkansas (Mississippi Alluvial Plain). Slash...
Konecny Prairie Natural Area
Konecny Prairie Natural Area is the largest block of high-quality tallgrass prairie left in the Grand Prairie of eastern Arkansas (Mississippi Alluvial Plain). Konecny Prairie is dominated by big...
Logoly Natural Area
Logoly Natural Area, located in the Coastal Plain, is used intensively for environmental education and contains various natural communities representative of south-central Arkansas. Forests of both...
Longview Saline Natural Area
Longview Saline Natural Area, acquired in cooperation with the Arkansas Field Office of The Nature Conservancy, protects 0.5 miles of the Saline River and a mosaic of rare natural communities that...
Lorance Creek Natural Area
Lorance Creek Natural Area is primarily a deep swamp that spreads out along both sides of Lorance Creek. This natural area occurs at the transition of the Coastal Plain to the Mississippi Alluvial...
Virtual Tour Available
Louisiana Purchase Natural Area
Louisiana Purchase Natural Area preserves the initial point from which land surveys of the Louisiana Purchase Territory began in 1815. The swamp surrounding the marker is called a "headwater swamp."...
Middle Fork Barrens Natural Area
Located in the eastern portion of the central Ouachita Mountains, this natural area contains a complex of open glades, barrens, and dry oak woodlands on a shale substrate. Glades at the site range...
Miller County Sandhills Natural Area
Miller County Sandhills Natural Area, located in the Coastal Plain, is one of the few remaining examples of relatively undisturbed sandhill vegetation in southwestern Arkansas. The area is marked by...
Mills Park Natural Area
Mills Park is a unique example of an urban natural area. This small tract harbors an acidic wooded seep and represents the once extensive forests that occurred across the Coastal Plain. The natural...
Moro Big Pine Natural Area-Wildlife Management Area
Moro Big Pine Natural Area-Wildlife Management Area is part of a 120,000 acre site that is considered the best and largest remaining loblolly pine flatwoods in the Coastal Plain of Arkansas. The...
Moro Creek Bottoms Natural Area
Moro Creek Bottoms Natural Area, located in the Coastal Plain, supports high-quality stands of lowland oak-sweetgum and bald cypress. Several cherrybark oak, water oak, and sweetgum trees on the...
Nacatoch Ravines Natural Area
Nacatoch Ravines Natural Area is one of the largest, and most intact, examples of dry, dry-mesic, and mesic upland forests remaining in the northern part of the Coastal Plain. Through much of the...
Palmetto Flats Natural Area
Palmetto Flats Natural Area is the largest contiguous block of alluvial terrace forest remaining in the Red River Valley in Arkansas, an area that has been almost entirely cleared and drained. It...
Pine City Natural Area
Pine City Natural Area provides vital habitat for the only known population of the federally endangered Red-cockaded Woodpecker in the Mississippi Alluvial Plain of eastern Arkansas. The natural area...
Pine Hollow Natural Area
Pine Hollow Natural Area, located in the Ozark Mountains, consists primarily of second growth oak-hickory forest. Part of the natural area shelters numerous beech trees, some of them quite large. ...
Poison Springs State Forest Sand Barren & Oak-Pine Forest Preserve
Poison Springs State Forest Sand Barren includes nearly 65 acres of sandhill vegetation. Margaretta oak is the principal woodland tree here. Arkansas oak and bluejack oak are also present. Shrubs...
Railroad Prairie Natural Area
Railroad Prairie Natural Area occupies portions of the abandoned right-of-way of the former Chicago, Rock Island, and Pacific railroad along U.S. Highway 70 between Carlisle and DeValls Bluff. Its...
Rock Creek Natural Area
Rock Creek Natural Area, located within the Salem Plateau of the Arkansas Ozarks, contains one of the highest concentrations of rare plants in Arkansas. These rare plants occur in a series of...
Roth Prairie Natural Area
Roth Prairie Natural Area is a tract of tallgrass prairie formerly managed for hay production. Grass species typical of tallgass prairie dominate the site, such as big bluestem and Indiangrass. ...
Virtual Tour Available
Saratoga Blackland Prairie Natural Area
Saratoga Blackland Prairie Natural Area, located in the Coastal Plain, contains high quality blackland prairies and associated woodlands, with few non-native invasive species. The woodlands contain a...
Searles Prairie Natural Area
Searles Prairie Natural Area is a 10-acre remnant of a 10,000-acre tallgrass prairie that once occupied part of the Springfield Plateau of the Ozark Mountains. Prairie mounds are scattered throughout...
Seven Devils Swamp Natural Area
Seven Devils Swamp Natural Area is located along Cut-off Creek at the point where the creek flows from the pine-covered hills of the Coastal Plain to the flat lowlands of the Mississippi Alluvial...
Singer Forest Natural Area
Singer Forest Natural Area, located in the Mississippi Alluvial Plain, primarily consists of a bottomland forest/overflow swamp. Singer Forest is a good representation of the forested wetlands that...
Slippery Hollow Natural Area
Slippery Hollow Natural Area, located in the Ozark Mountains, consists of a steep-sided stream valley and gently undulating uplands. Upper slopes are forested with a mix of post oak, blackjack oak,...
Smoke Hole Natural Area
Smoke Hole Natural Area, located in the Mississippi Alluvial Plain, contains a mature water tupelo swamp surrounded by forests consisting of a diverse mix of upland and bottomland hardwood tree...
St. Francis Sunken Lands Natural Area
St. Francis Sunken Lands Natural Area is located in the Mississippi Alluvial Plain on the east side of the St. Francis River within an area of bottomland forest known as the St. Francis Sunken Lands. ...
Stateline Sand Ponds Natural Area
Stateline Sand Ponds Natural Area, located in the Mississippi Alluvial Plain, is a portion of a larger 1,500-acre site that extends south and west into Arkansas and north and east into Missouri. On a...
Stone Road Glade Natural Area
Stone Road Glade Natural Area contains the least disturbed and highest quality limestone glades remaining in the Coastal Plain. This community type is unusual for this part of Arkansas and contains a...
Striplin Woods Natural Area
A bottomland hardwood forest long protected from human disturbance, Striplin Woods Natural Area displays considerable diversity over an elevational gradient extending from blufftop down to the margin...
Virtual Tour Available
Sweden Creek Falls Natural Area
Sweden Creek Falls Natural Area, located in the Boston Mountains of the Ozarks, is a mix of dry glades, mesic woodlands, forests, and native pasture. The terrain is dissected with pine-oak woodlands...
Swifton Sand Ponds Natural Area
Swifton Sand Ponds Natural Area, located in the Mississippi Alluvial Plain, protects intact examples of rare sand pond habitat. These natural ponds occur between Pleistocene-aged sand dunes and...
Taylor Woodlands Natural Area
Taylor Woodlands Natural Area is characterized by the closed canopy, relatively open interior, and poor drainage representative of the bottomland hardwood forests that were once widespread across the...
Virtual Tour Available
Terre Noire Natural Area
Terre Noire Natural Area, located in the Coastal Plain, is one of the highest-quality blackland prairies remaining in the state. The site is a mosaic of native herbaceous and woody vegetation, and...
Warren Prairie Natural Area
Warren Prairie Natural Area, located in the Coastal Plain, consists of a mosaic of salt slick barrens, saline prairie, Delta post oak flatwoods, prairie mound woodlands, pine woodlands, and bottomland...
White Cliffs Natural Area
White Cliffs, located in the Coastal Plain, possesses significant ecological, historic, and archeological features. On an outcrop of Annona Chalk of Cretaceous age, it takes its name from the...
Wittsburg Natural Area
A good sample of Crowley’s Ridge, where the Tertiary sediments remain capped with loess, Wittsburg Natural Area preserves a mixed mesophytic forest that contains interesting plant species not...
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