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 26 in total, X are lakes or pond, Y are forests, Z are other.

Name Image Date Location Description
1 Bergen-Byron Swamp 01964-03 March 1964 Bergen 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
2 Big Reed Pond 01973-05 May 1973 Montauk An undeveloped fresh water lake where the Montaukett tribe lived until the mid-19th century. It is connected to Theodore Roosevelt County Park
3 Bear Swamp Preserve 01973-05 May 1973 Westerlo 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.
4 Deer Lick Nature Sanctuary 01967-11 November 1967 Gowanda A 398-acre (1.61 km2) Nature Conservancy preserve, 80 of which contain old growth forest. It is known for its wildlife and its gorges which highlight the Onondaga Escarpment.
5 Dexter Marsh 01973-05 May 1973 Dexter 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
6 Ellenville Fault-Ice Caves 01967-11 November 1967 Ellenville 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, run by the Nature Conservancy.
7 Fall Brook Gorge 01970-01 January 1970 Geneseo An excellent example of Upper and Middle Devonian rock formations
8 Fossil Coral Reef 01967-11 November 1967 Le Roy An abandoned limestone quarry, it contains a well preserved Middle Devonian coral reef along with rare tabulate and rugose corals, crinoids, gastropods, and trilobites.
9 Hook Mountain and Nyack Beach State Park 01980-04 April 1980 Upper Nyack A small state park known for its portion of the Palisades Sill and its proximity to the Hudson River
10 Hart's Woods 01972-06 June 1972 Perinton 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.
11 Ironsides Island 01967-04 April 1967 Alexandria Bay This rocky island in the St Lawrence river is managed by the Nature Conservancy and serves as a rookery for Great blue herons
12 Iona Island Marsh 01974-05 May 1974 Stony Point An island and marsh in the Hudson River which is a bird sanctuary and part of Bear Mountain State Park
13 Long Beach, Orient State Park 01980-04 April 1980 Southold 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.
14 Lakeview Marsh and Barrier Beach 01973-05 May 1973 Ellisburg 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.
15 McLean Bogs 01983-05 May 1983 Dryden 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.
16 Mendon Ponds Park 01967-11 November 1967 Mendon 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.
17 Mianus River Gorge 01964-03 March 1964 Bedford This preserve, known for its old growth climax hemlock forest and the Mianus River was the first land purchase deal by the Nature Conservancy.
18 Montezuma Marshes 01973-05 May 1973 Seneca Falls A 7,000 acre (28 km²) wildlife preserve containing one of the best examples of undisturbed swamp woodlands in New York or New England. It is a major stop for migratory birds.
19 Moss Island 01976-05 May 1976 Little Falls 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 ft) glacial potholes created by retreating glaciers as well as being popular with local rock climbers.
20 Moss Lake Bogs 01973-05 May 1973 Houghton 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.
21 Oak Orchard Creek Marsh 01973-05 May 1973 Medina 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.
22 Palisades of the Hudson 01984-11 November 1984 Hudson River The line of dramatic 350-foot (110 m) cliffs of the Palisades Sill along the west side of the lower Hudson River
23 Petrified Gardens 01967-04 April 1967 Saratoga Springs 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.
24 Round Lake 01973-05 May 1973 Fayetteville Part of Green Lakes State Park, this lake is a rare meromictic lake is surrounded by a well preserved mesophytic forest
25 Thompson Pond 01973-05 May 1973 Pine Plains 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 Wappingers 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.
26 Zurich Bog 01973-05 May 1973 Arcadia A sphagnum bog managed by the Bergen Swamp Preservation Society

See also