Park type

State Natural Areas

This library profiles 76 state natural areas. Each profile lists the permanent facts its sources state — where it is, how big, since when, and what makes it significant.

Bandon State Natural Area

Bandon State Natural Area

State Natural Area · Oregon, United States · est. 1954

Bays Mountain State Natural Area

Bays Mountain State Natural Area

State Natural Area · Tennessee, United States · est. 1965

Bear Paw State Natural Area

Bear Paw State Natural Area

State Natural Area · North Carolina, United States · est. 2008

Bone Cave State Natural Area

Bone Cave State Natural Area

State Natural Area · Tennessee, United States

Cache River State Natural Area

Cache River State Natural Area

State Natural Area · Illinois, United States · est. 1970

Cape Kiwanda State Natural Area

Cape Kiwanda State Natural Area

State Natural Area · Oregon, United States

Couchville Cedar Glade State Natural Area

Couchville Cedar Glade State Natural Area

State Natural Area · Tennessee, United States

Devil's Sinkhole State Natural Area

Devil's Sinkhole State Natural Area

State Natural Area · Texas, United States · 3,060 acres

Devils Punch Bowl State Natural Area

Devils Punch Bowl State Natural Area

State Natural Area · Oregon, United States · est. 1929

Enchanted Rock State Natural Area

Enchanted Rock State Natural Area

State Natural Area · Texas, United States · 5,388 acres

Fort Rock Cave (near Fort Rock State Natural Area)

Fort Rock Cave (near Fort Rock State Natural Area)

State Natural Area · Oregon, United States

Franklin Creek State Natural Area

Franklin Creek State Natural Area

State Natural Area · Illinois, United States · est. 1982

Fults Hill Prairie State Natural Area

Fults Hill Prairie State Natural Area

State Natural Area · Illinois, United States · est. 1970

Golden and Silver Falls State Natural Area

Golden and Silver Falls State Natural Area

State Natural Area · Oregon, United States

Goose Lake Prairie State Natural Area

Goose Lake Prairie State Natural Area

State Natural Area · Illinois, United States · est. 1969

Honey Creek State Natural Area

Honey Creek State Natural Area

State Natural Area · Texas, United States · 2,294 acres

House Mountain State Natural Area

House Mountain State Natural Area

State Natural Area · Tennessee, United States

Laurel–Snow State Natural Area

Laurel–Snow State Natural Area

State Natural Area · Tennessee, United States

Lea Island State Natural Area

Lea Island State Natural Area

State Natural Area · North Carolina, United States · est. 2000

Lost Creek State Natural Area

Lost Creek State Natural Area

State Natural Area · Tennessee, United States

Lost Maples State Natural Area

Lost Maples State Natural Area

State Natural Area · Texas, United States · 2,906 acres

Masonboro Island State Natural Area

Masonboro Island State Natural Area

State Natural Area · North Carolina, United States · 178 acres

Old Forest State Natural Area

Old Forest State Natural Area

State Natural Area · Tennessee, United States

Ozone Falls State Natural Area

Ozone Falls State Natural Area

State Natural Area · Tennessee, United States

Piney Creek Ravine State Natural Area

Piney Creek Ravine State Natural Area

State Natural Area · Illinois, United States · est. 1972

Saddle Mountain State Natural Area

Saddle Mountain State Natural Area

State Natural Area · Oregon, United States · est. 1928

San Rafael State Natural Area

San Rafael State Natural Area

State Natural Area · Arizona, United States

Seneca Fouts Memorial State Natural Area

Seneca Fouts Memorial State Natural Area

State Natural Area · Oregon, United States

Sitka Sedge State Natural Area

Sitka Sedge State Natural Area

State Natural Area · Oregon, United States

Tryon Creek State Natural Area

Tryon Creek State Natural Area

State Natural Area · Oregon, United States · est. 1975

Verde River Greenway State Natural Area

Verde River Greenway State Natural Area

State Natural Area · Arizona, United States

Volo Bog State Natural Area

Volo Bog State Natural Area

State Natural Area · Illinois, United States · est. 1970

Walls of Jericho State Natural Area

Walls of Jericho State Natural Area

State Natural Area · Tennessee, United States

Watauga River Bluffs State Natural Area

Watauga River Bluffs State Natural Area

State Natural Area · Tennessee, United States

ABAlbert and Bessie Kronkosky State Natural Area (slated for opening in late 2026)State Natural Area · Texas, United States

Albert and Bessie Kronkosky State Natural Area (slated for opening in late 2026)

State Natural Area · Texas, United States · 3,814 acres

BLBakers Lake State Natural AreaState Natural Area · North Carolina, United States

Bakers Lake State Natural Area

State Natural Area · North Carolina, United States · est. 2021

BIBaldhead Island State Natural AreaState Natural Area · North Carolina, United States

Baldhead Island State Natural Area

State Natural Area · North Carolina, United States · est. 1979

BTBay Tree State Natural AreaState Natural Area · North Carolina, United States

Bay Tree State Natural Area

State Natural Area · North Carolina, United States · est. 1979

BCBeech Creek Bog State Natural AreaState Natural Area · North Carolina, United States

Beech Creek Bog State Natural Area

State Natural Area · North Carolina, United States · est. 2002

BCBobs Creek State Natural AreaState Natural Area · North Carolina, United States

Bobs Creek State Natural Area

State Natural Area · North Carolina, United States · est. 2017

BMBullhead Mountain State Natural AreaState Natural Area · North Carolina, United States

Bullhead Mountain State Natural Area

State Natural Area · North Carolina, United States · est. 2000

BLBushy Lake State Natural AreaState Natural Area · North Carolina, United States

Bushy Lake State Natural Area

State Natural Area · North Carolina, United States · est. 1977

CMChinati Mountains State Natural Area (under development)State Natural Area · Texas, United States

Chinati Mountains State Natural Area (under development)

State Natural Area · Texas, United States · 39,000 acres

CSChowan Swamp State Natural AreaState Natural Area · North Carolina, United States

Chowan Swamp State Natural Area

State Natural Area · North Carolina, United States · est. 1973

CMClay Myers State Natural Area at Whalen IslandState Natural Area · Oregon, United States

Clay Myers State Natural Area at Whalen Island

State Natural Area · Oregon, United States

DHDavis Hill State Natural Area (under development)State Natural Area · Texas, United States

Davis Hill State Natural Area (under development)

State Natural Area · Texas, United States · 1,700 acres

DRDevils River State Natural Area - includes Dan Allen Hughes Unit and Del Norte UnitState Natural Area · Texas, United States

Devils River State Natural Area - includes Dan Allen Hughes Unit and Del Norte Unit

State Natural Area · Texas, United States · 37,000 acres

FRFort Rock State Natural AreaState Natural Area · Oregon, United States

Fort Rock State Natural Area

State Natural Area · Oregon, United States

GWGeorge W. Joseph State Natural Area (accessible from Guy W. Talbot State Park)State Natural Area · Oregon, United States

George W. Joseph State Natural Area (accessible from Guy W. Talbot State Park)

State Natural Area · Oregon, United States

GCGovernment Canyon State Natural AreaState Natural Area · Texas, United States

Government Canyon State Natural Area

State Natural Area · Texas, United States · 12,085 acres

HBHarry "Babe" Woodyard State Natural AreaState Natural Area · Illinois, United States

Harry "Babe" Woodyard State Natural Area

State Natural Area · Illinois, United States

HBHemlock Bluffs State Natural AreaState Natural Area · North Carolina, United States

Hemlock Bluffs State Natural Area

State Natural Area · North Carolina, United States · est. 1976

HCHill Country State Natural AreaState Natural Area · Texas, United States

Hill Country State Natural Area

State Natural Area · Texas, United States · 5,369 acres

HSHubbard's Cave State Natural AreaState Natural Area · Tennessee, United States

Hubbard's Cave State Natural Area

State Natural Area · Tennessee, United States

ICIllinois Caverns State Natural AreaState Natural Area · Illinois, United States

Illinois Caverns State Natural Area

State Natural Area · Illinois, United States · est. 1985

LHLower Haw River State Natural AreaState Natural Area · North Carolina, United States

Lower Haw River State Natural Area

State Natural Area · North Carolina, United States · est. 2003

MMMitchells Millpond State Natural AreaState Natural Area · North Carolina, United States

Mitchells Millpond State Natural Area

State Natural Area · North Carolina, United States · est. 1976

MJMount Jefferson State Natural AreaState Natural Area · North Carolina, United States

Mount Jefferson State Natural Area

State Natural Area · North Carolina, United States · est. 1956

OMOcconeechee Mountain State Natural AreaState Natural Area · North Carolina, United States

Occoneechee Mountain State Natural Area

State Natural Area · North Carolina, United States · est. 1997

PBPineola Bog State Natural AreaState Natural Area · North Carolina, United States

Pineola Bog State Natural Area

State Natural Area · North Carolina, United States · est. 2006

PFPiney Falls State Natural AreaState Natural Area · Tennessee, United States

Piney Falls State Natural Area

State Natural Area · Tennessee, United States

PRPrairie Ridge State Natural AreaState Natural Area · Illinois, United States

Prairie Ridge State Natural Area

State Natural Area · Illinois, United States

RHRun Hill State Natural AreaState Natural Area · North Carolina, United States

Run Hill State Natural Area

State Natural Area · North Carolina, United States · est. 1995

SCSalmon Creek State Natural AreaState Natural Area · North Carolina, United States

Salmon Creek State Natural Area

State Natural Area · North Carolina, United States · est. 2017

SRSandy Run Savannas State Natural AreaState Natural Area · North Carolina, United States

Sandy Run Savannas State Natural Area

State Natural Area · North Carolina, United States · est. 2006

SWSpitler Woods State Natural AreaState Natural Area · Illinois, United States

Spitler Woods State Natural Area

State Natural Area · Illinois, United States · est. 1937

SHStillhouse Hollow Falls State Natural AreaState Natural Area · Tennessee, United States

Stillhouse Hollow Falls State Natural Area

State Natural Area · Tennessee, United States · est. 2006

SFStinging Fork Falls State Natural AreaState Natural Area · Tennessee, United States

Stinging Fork Falls State Natural Area

State Natural Area · Tennessee, United States

SCSuccor Creek State Natural AreaState Natural Area · Oregon, United States

Succor Creek State Natural Area

State Natural Area · Oregon, United States

SMSugar Mountain Bog State Natural AreaState Natural Area · North Carolina, United States

Sugar Mountain Bog State Natural Area

State Natural Area · North Carolina, United States · est. 2006

TRTheodore Roosevelt State Natural AreaState Natural Area · North Carolina, United States

Theodore Roosevelt State Natural Area

State Natural Area · North Carolina, United States · est. 1971

VLVinzenz Lausmann Memorial State Natural AreaState Natural Area · Oregon, United States

Vinzenz Lausmann Memorial State Natural Area

State Natural Area · Oregon, United States

WFWalterhill Floodplain State Natural AreaState Natural Area · Tennessee, United States

Walterhill Floodplain State Natural Area

State Natural Area · Tennessee, United States · 1,930 acres

WMWarwick Mill Bay State Natural AreaState Natural Area · North Carolina, United States

Warwick Mill Bay State Natural Area

State Natural Area · North Carolina, United States · est. 2017

WNWygant State Natural AreaState Natural Area · Oregon, United States

Wygant State Natural Area

State Natural Area · Oregon, United States

YMYellow Mountain State Natural AreaState Natural Area · North Carolina, United States

Yellow Mountain State Natural Area

State Natural Area · North Carolina, United States · est. 2008