List of National Natural Landmarks in New York

From List of National Natural Landmarks, these are the National Natural Landmarks in New York State. There are 28 in total.

	Name	Image	Date	Location	County	Ownership	Description
1	Albany Pine Bush		July 2014		Albany	mixed- state, county, municipal	Protects a pine scrub forest that occupies an area of periglacial dunes.
2	Bergen-Byron Swamp		March 1964	Bergen	Genesee	private	A 2,000-acre (8.1 km2) swamp that was the first National Natural Landmark to be designated. It is managed by the Bergen Swamp Preservation Society
3	Big Reed Pond		May 1973	Montauk	Suffolk	county	An undeveloped fresh water lake where the Montaukett tribe lived until the mid-19th century. It is connected to Theodore Roosevelt County Park
4	Bear Swamp Preserve		May 1973	Westerlo	Albany	private	A 310-acre (1.3 km2) Nature Conservancy preserve including a pond and surrounding swamp and woodland. It is recognized for its Great Laurel tree population.
5	Chazy Fossil Reef		May 2009		Clinton	mixed- state, private	The oldest known fossil reef on earth.
6	Deer Lick Nature Sanctuary		November 1967	Gowanda	Cattaraugus	private	A 398-acre (1.61 km2) Nature Conservancy preserve, containing 80 acres (0.32 km2) of old growth forest. It is known for its wildlife and its gorges which highlight the Onondaga Escarpment.
7	Dexter Marsh		May 1973	Dexter	Jefferson	state	A 1,350-acre (5.5 km2) wetland marsh located at the Eastern end of Lake Ontario. It is a popular fishing and trapping area as well as a migratory bird layover
8	Ellenville Fault-Ice Caves		November 1967	Ellenville	Ulster	state	The largest open fault system in the United States results in ice caves which keeps ice year round and creates a cooler microclimate for more northern plants. Now part of Sam's Point Preserve.
9	Fall Brook Gorge		January 1970	Geneseo	Livingston	private	An excellent example of Upper and Middle Devonian rock formations
10	Fossil Coral Reef		November 1967	Le Roy	Genesee	private	An abandoned limestone quarry, it contains a well preserved Middle Devonian coral reef along with rare tabulate and rugose corals, crinoids, gastropods, and trilobites.
11	Hook Mountain and Nyack Beach State Park		April 1980	Upper Nyack	Rockland	state	A portion of the Palisades Sill in proximity to the Hudson River within two adjacent state parks.
12	Hart's Woods		June 1972	Perinton	Monroe	municipal	It contains a pristine stand of beech-maple forest, a climax forest dominated by the American Beech and Sugar Maple which covered most of the Northeastern United States when it was settled.
13	Ironsides Island		April 1967	Alexandria Bay	Jefferson & St. Lawrence	private	This rocky island in the Saint Lawrence River is managed by the Nature Conservancy and serves as a rookery for Great blue herons
14	Iona Island Marsh		May 1974	Stony Point	Rockland	state	An island and marsh in the Hudson River which is a bird sanctuary and part of Bear Mountain State Park
15	Long Beach, Orient State Park		April 1980	Southold	Suffolk	state	This state park at the end of Long Island has a 2.5-mile (4.0 km) sand spit beach demonstrating plant succession from salt marsh to maritime red cedar forest.
16	Lakeview Marsh and Barrier Beach		May 1973	Ellisburg	Jefferson	state	Adjacent to Southwick Beach State Park, this 3,461-acre (14.01 km2) marsh is protected by a barrier beach from Lake Ontario, unlike nearby Dexter Marsh.
17	McLean Bogs		May 1983	Dryden	Tompkins	private	A small acidic kettle bog managed by Cornell Plantations which is part of Cornell University. It is used for scientific research on the lichens and their methane gas production.
18	Mendon Ponds Park		November 1967	Mendon	Monroe	county	A 2,500-acre (10 km2) county park known for its birdwatching and its unusual glacial geology, including kettle holes, eskers, kames, and a floating sphagnum moss peat bog known as the Devils Bathtub.
19	Mianus River Gorge		March 1964	Bedford	Westchester	private	This preserve, known for its old growth climax hemlock forest and the Mianus River was the first land purchase deal by the Nature Conservancy.
20	Montezuma Marshes	100px	May 1973	Seneca Falls	Seneca	federal	A 7,000-acre (28 km2) National Wildlife Refuge containing one of the best examples of undisturbed swamp woodlands in New York or New England. It is a major stop for migratory birds.
21	Moss Island		May 1976	Little Falls	Herkimer	state	An igneous intrusion in the Erie Canal with the Little Falls at one end. It became an island when locks were built so boats could avoid the 40 ft (12 m) falls. It is known for its extremely large 40–50 feet (12–15 m) glacial potholes created by retreating glaciers as well as being popular with local rock climbers.
22	Moss Lake Bogs		May 1973	Houghton	Allegany	private	An 83-acre (340,000 m2) glacial kettle lake which filled with melt water and rain. Over time, sphagnum moss has grown over the open water, turning it into an acidic bog. It is managed by the Nature Conservancy.
23	Oak Orchard Creek Marsh		May 1973	Medina	Genesee & Orleans	federal, state	The marsh contains a state reserve, Oak Orchard Wildlife Management Area, and a national reserve, the Iroquois National Wildlife Refuge, both of which are known as major stopover points for migratory birds. It was created by a partial blockage of the Oak Orchard River by glacial drift and an outcrop of limestone and dolostone known as the Lockport formation which forms the Niagara Escarpment.
24	Palisades of the Hudson		November 1984	Hudson River	Rockland	state	The line of dramatic 350-foot (110 m) cliffs of the Palisades Sill along the west side of the lower Hudson River
25	Petrified Gardens		April 1967	Saratoga Springs	Saratoga	private	This private park preserves an area of ancient stromatolites in a fossilized ancient Cambrian reef. Stromatolites "were first recognized, discovered, and interpreted in North America" here in 1922. The park, which is now closed, was a childhood inspiration for Stephen Jay Gould.
26	Round Lake		May 1973	Fayetteville	Onondaga	state	Part of Green Lakes State Park, this lake is a rare meromictic lake is surrounded by a well preserved mesophytic forest
27	Thompson Pond		May 1973	Pine Plains	Dutchess	private	A 75-acre (300,000 m2) glacial kettle pond and surrounding 507-acre (2.05 km2) nature preserve managed by the Nature Conservancy. It is the source of Wappinger Creek, a tributary of the Hudson River that drains much of Dutchess County. It is known for its calcareous bog, unlike other acidic bogs in the Northeast.
28	Zurich Bog		May 1973	Arcadia	Wayne	private	A sphagnum bog managed by the Bergen Swamp Preservation Society

See also

• List of National Historic Landmarks in New York