List of National Natural Landmarks in Texas information

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From List of National Natural Landmarks, these are the National Natural Landmarks in Texas. There are 20 in total.

Attwater Prairie Chicken

Catfish Creek

Cave Without a Name

Caverns of Sonora

Devil's Sinkhole

Dinosaur Valley State Park

Enchanted Rock

Granite Mountain (Texas)

Longhorn Cavern

Lost Maples

Muleshoe National Wildlife Refuge

Natural Bridge Caverns

Odessa Meteor Crater

Palo Duro Canyon

Santa Ana National Wildlife Refuge

High Plains Natural Area

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Texas National Natural Landmarks (clickable map)

	Name	Date	Location	County	Ownership	Description
1	Attwater Prairie Chicken Preserve	1968	29°40′08″N 96°16′00″W / 29.668827°N 96.266751°W / 29.668827; -96.266751 (Attwater Prairie Chicken Preserve)	Colorado	federal/US Fish & Wildlife Service	Contains the only significant segment of gulf coastal prairie.
2	Bayside Resaca Area	1980	26°13′45″N 97°20′50″W / 26.229081°N 97.347231°W / 26.229081; -97.347231 (Bayside Resaca Area)	Cameron	federal/US Fish & Wildlife Service	Located in Laguna Atascosa National Wildlife Refuge, contains an excellent example of a resaca.
3	Catfish Creek	1983	31°54′27″N 95°54′09″W / 31.90750°N 95.90250°W / 31.90750; -95.90250 (Catfish Creek)	Anderson	state/Texas Department of Parks and Wildlife	One of the few remaining undisturbed riparian habitats in the western Gulf Coastal Plain
4	Caverns of Sonora	1965	30°33′18″N 100°48′44″W / 30.55500°N 100.81222°W / 30.55500; -100.81222 (Caverns of Sonora)	Sutton	private	Contains unusual formations, such as bladed helictites and coralloid growths
5	Devil's Sinkhole	1972	30°00′57″N 100°12′31″W / 30.015773°N 100.208552°W / 30.015773; -100.208552 (Devil's Sinkhole)	Edwards	state/Texas Department of Parks and Wildlife	A deep, bell-shaped, collapsed limestone sink.
6	Dinosaur Valley State Park	1968	32°14′46″N 97°48′48″W / 32.246194°N 97.813375°W / 32.246194; -97.813375 (Dinosaur Valley State Park)	Somervell	state/Texas Department of Parks and Wildlife	The only known source of distinct and full-grown sauropod footprints.
7	Ezell's Cave	1971		Hays	private	Houses at least 36 species of cave fauna.
8	Enchanted Rock	1971	30°29′46″N 98°49′12″W / 30.496033°N 98.819952°W / 30.496033; -98.819952 (Enchanted Rock)	Gillespie, Llano	state/Texas Department of Parks and Wildlife	A classic illustration of a batholith and of the exfoliation process.
9	Fort Worth Nature Center and Refuge	1980	32°50′36″N 97°28′38″W / 32.843450°N 97.477225°W / 32.843450; -97.477225	Tarrant	municipal/City of Fort Worth	Contains outstanding examples of the unique oak-hickory forest associations called cross timbers.
10	Greenwood Canyon	1975		Montague	private	A rich source of early Cretaceous mammalian fossils.
11	High Plains Natural Area	1980	34°55′10″N 102°06′40″W / 34.919517°N 102.111118°W / 34.919517; -102.111118 (High Plains Natural Area)	Randall	federal/US Fish & Wildlife Service	One of the best developed, least disturbed natural shortgrass climax communities remaining in the Great Plains. Part of Buffalo Lake National Wildlife Refuge.
12	Little Blanco River Bluff	1982		Blanco	private	An unspoiled example of the limestone bluff communities of the Edwards Plateau.
13	Longhorn Cavern	1971	30°41′04″N 98°21′03″W / 30.684441°N 98.350970°W / 30.684441; -98.350970 (Longhorn Cavern)	Burnet	state/Texas Department of Parks and Wildlife	State park contains an outstanding example of cave features formed during the phreatic phase of development.
14	Lost Maples State Natural Area	1980	29°48′28″N 99°34′15″W / 29.807719°N 99.570697°W / 29.807719; -99.570697 (Lost Maples State Natural Area)	Bandera, Real	state/Texas Department of Parks and Wildlife	An excellent illustration of Edwards Plateau flora and fauna.
15	Muleshoe National Wildlife Refuge	1980	33°57′19″N 102°46′37″W / 33.955295°N 102.776973°W / 33.955295; -102.776973 (Muleshoe National Wildlife Refuge)	Bailey	federal/US Fish & Wildlife Service	Saline lake beds, and shortgrass grama grasslands characteristic of the high plains.
16	Odessa Meteor Crater	1965	31°45′25″N 102°28′45″W / 31.756998°N 102.479125°W / 31.756998; -102.479125 (Odessa Meteor Crater)	Ector	county	Contains two meteorite impact craters. The largest is 550 feet (170 m) in diameter.
17	Palo Duro Canyon State Park	1976	34°59′05″N 101°42′07″W / 34.984709°N 101.701867°W / 34.984709; -101.701867 (Palo Duro Canyon State Park)	Armstrong, Randall	state/Texas Department of Parks and Wildlife	Spectacular canyon that is an excellent example of a landform created by running water.
18	Santa Ana National Wildlife Refuge	1966	26°05′07″N 98°08′04″W / 26.08522°N 98.13448°W / 26.08522; -98.13448	Hidalgo	federal/US Fish & Wildlife Service	A living museum of the lowland forested area of the Lower Rio Grande Valley.
19	Natural Bridge Caverns	1971	29°41′32″N 98°20′34″W / 29.692351°N 98.342760°W / 29.692351; -98.342760 (Natural Bridge Caverns)	Comal	private	A multilevel cavern system containing unusual speleothems and intricate helictites.
20	Cave Without a Name	2009	29°52′45″N 98°38′31″W / 29.8791769°N 98.6419260°W / 29.8791769; -98.6419260 (Cave Without a Name)	Kendall	private	Contains rare and nationally outstanding examples of speleothems.