List of National Natural Landmarks In Texas (20 items)report

• []: 1
  [Name]: Attwater Prairie Chicken Preserve
  [Image]:
  [Date]: 1968
  [Location]: 29°40′08″N 96°16′00″W / 29.668827°N 96.266751°W / 29.668827; -96.266751 (Attwater Prairie Chicken Preserve)
  [County]: Colorado
  [Ownership]: federal/US Fish & Wildlife Service
  [Description]: Contains the only significant segment of gulf coastal prairie.
  

• []: 2
  [Name]: Bayside Resaca Area
  [Image]:
  [Date]: 1980
  [Location]: 26°13′45″N 97°20′50″W / 26.229081°N 97.347231°W / 26.229081; -97.347231 (Bayside Resaca Area)
  [County]: Cameron
  [Ownership]: federal/US Fish & Wildlife Service
  [Description]: Located in Laguna Atascosa National Wildlife Refuge, contains an excellent example of a resaca.
  

• []: 3
  [Name]: Catfish Creek
  [Image]:
  [Date]: 1983
  [Location]: 31°54′27″N 95°54′09″W / 31.90750°N 95.90250°W / 31.90750; -95.90250 (Catfish Creek)
  [County]: Anderson
  [Ownership]: state/Texas Department of Parks and Wildlife
  [Description]: One of the few remaining undisturbed riparian habitats in the western Gulf Coastal Plain
  

• []: 4
  [Name]: Caverns of Sonora
  [Image]:
  [Date]: 1965
  [Location]: 30°33′18″N 100°48′44″W / 30.55500°N 100.81222°W / 30.55500; -100.81222 (Caverns of Sonora)
  [County]: Sutton
  [Ownership]: private
  [Description]: Contains unusual formations, such as bladed helictites and coralloid growths
  

• []: 5
  [Name]: Devil's Sinkhole
  [Image]:
  [Date]: 1972
  [Location]: 30°00′57″N 100°12′31″W / 30.015773°N 100.208552°W / 30.015773; -100.208552 (Devil's Sinkhole)
  [County]: Edwards
  [Ownership]: state/Texas Department of Parks and Wildlife
  [Description]: A deep, bell-shaped, collapsed limestone sink.
  

• []: 6
  [Name]: Dinosaur Valley State Park
  [Image]:
  [Date]: 1968
  [Location]: 32°14′46″N 97°48′48″W / 32.246194°N 97.813375°W / 32.246194; -97.813375 (Dinosaur Valley State Park)
  [County]: Somervell
  [Ownership]: state/Texas Department of Parks and Wildlife
  [Description]: The only known source of distinct and full-grown sauropod footprints.
  

• []: 7
  [Name]: Ezell's Cave
  [Image]:
  [Date]: 1971
  [Location]:
  [County]: Hays
  [Ownership]: private
  [Description]: Houses at least 36 species of cave fauna.
  

• []: 8
  [Name]: Enchanted Rock
  [Image]:
  [Date]: 1971
  [Location]: 30°29′46″N 98°49′12″W / 30.496033°N 98.819952°W / 30.496033; -98.819952 (Enchanted Rock)
  [County]: Gillespie, Llano
  [Ownership]: state/Texas Department of Parks and Wildlife
  [Description]: A classic illustration of a batholith and of the exfoliation process.
  

• []: 9
  [Name]: Fort Worth Nature Center and Refuge
  [Image]:
  [Date]: 1980
  [Location]: 32°50′36″N 97°28′38″W / 32.843450°N 97.477225°W / 32.843450; -97.477225 (Fort Worth Nature Center and Refuge)
  [County]: Tarrant
  [Ownership]: municipal/City of Fort Worth
  [Description]: Contains outstanding examples of the unique oak-hickory forest associations called cross timbers.
  

• []: 10
  [Name]: Greenwood Canyon
  [Image]:
  [Date]: 1975
  [Location]:
  [County]: Montague
  [Ownership]: private
  [Description]: A rich source of early Cretaceous mammalian fossils.
  

• []: 11
  [Name]: High Plains Natural Area
  [Image]:
  [Date]: 1980
  [Location]: 34°55′10″N 102°06′40″W / 34.919517°N 102.111118°W / 34.919517; -102.111118 (High Plains Natural Area)
  [County]: Randall
  [Ownership]: federal/US Fish & Wildlife Service
  [Description]: One of the best developed, least disturbed natural shortgrass climax communities remaining in the Great Plains. Part of Buffalo Lake National Wildlife Refuge.
  

• []: 12
  [Name]: Little Blanco River Bluff
  [Image]:
  [Date]: 1982
  [Location]:
  [County]: Blanco
  [Ownership]: private
  [Description]: An unspoiled example of the limestone bluff communities of the Edwards Plateau.
  

• []: 13
  [Name]: Longhorn Cavern
  [Image]:
  [Date]: 1971
  [Location]: 30°41′04″N 98°21′03″W / 30.684441°N 98.350970°W / 30.684441; -98.350970 (Longhorn Cavern)
  [County]: Burnet
  [Ownership]: state/Texas Department of Parks and Wildlife
  [Description]: State park contains an outstanding example of cave features formed during the phreatic phase of development.
  

• []: 14
  [Name]: Lost Maples State Natural Area
  [Image]:
  [Date]: 1980
  [Location]: 29°48′28″N 99°34′15″W / 29.807719°N 99.570697°W / 29.807719; -99.570697 (Lost Maples State Natural Area)
  [County]: Bandera, Real
  [Ownership]: state/Texas Department of Parks and Wildlife
  [Description]: An excellent illustration of Edwards Plateau flora and fauna.
  

• []: 15
  [Name]: Muleshoe National Wildlife Refuge
  [Image]:
  [Date]: 1980
  [Location]: 33°57′19″N 102°46′37″W / 33.955295°N 102.776973°W / 33.955295; -102.776973 (Muleshoe National Wildlife Refuge)
  [County]: Bailey
  [Ownership]: federal/US Fish & Wildlife Service
  [Description]: Saline lake beds, and shortgrass grama grasslands characteristic of the high plains.
  

• []: 16
  [Name]: Odessa Meteor Crater
  [Image]:
  [Date]: 1965
  [Location]: 31°45′25″N 102°28′45″W / 31.756998°N 102.479125°W / 31.756998; -102.479125 (Odessa Meteor Crater)
  [County]: Ector
  [Ownership]: county
  [Description]: Contains two meteorite impact craters. The largest is 550 feet (170 m) in diameter.
  

• []: 17
  [Name]: Palo Duro Canyon State Park
  [Image]:
  [Date]: 1976
  [Location]: 34°59′05″N 101°42′07″W / 34.984709°N 101.701867°W / 34.984709; -101.701867 (Palo Duro Canyon State Park)
  [County]: Armstrong, Randall
  [Ownership]: state/Texas Department of Parks and Wildlife
  [Description]: Spectacular canyon that is an excellent example of a landform created by running water.
  

• []: 18
  [Name]: Santa Ana National Wildlife Refuge
  [Image]:
  [Date]: 1966
  [Location]: 26°05′07″N 98°08′04″W / 26.08522°N 98.13448°W / 26.08522; -98.13448 (Santa Ana National Wildlife Refuge)
  [County]: Hidalgo
  [Ownership]: federal/US Fish & Wildlife Service
  [Description]: A living museum of the lowland forested area of the Lower Rio Grande Valley.
  

• []: 19
  [Name]: Natural Bridge Caverns
  [Image]:
  [Date]: 1971
  [Location]: 29°41′32″N 98°20′34″W / 29.692351°N 98.342760°W / 29.692351; -98.342760 (Natural Bridge Caverns)
  [County]: Comal
  [Ownership]: private
  [Description]: A multilevel cavern system containing unusual speleothems and intricate helictites.
  

• []: 20
  [Name]: Cave Without a Name
  [Image]:
  [Date]: 2009
  [Location]: 29°52′45″N 98°38′31″W / 29.8791769°N 98.6419260°W / 29.8791769; -98.6419260 (Cave Without a Name)
  [County]: Kendall
  [Ownership]: private
  [Description]: Contains rare and nationally outstanding examples of speleothems.
  

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