List of National Natural Landmarks in New Jersey


From List of National Natural Landmarks, these are the National Natural Landmarks in New Jersey. There are 11 in total, many of them are related to the glacial geology, especially the Wisconsin Glacier and the Glacial Lake Passaic that it created over a large portion of northern New Jersey.
NameImageDateLocationCountyOwnershipDescription
1Great Falls of Paterson-Garret Mountain;
expanded
Paterson PassaicfederalThe Great Falls of the Passaic River and a later expansion including Garret Mountain help demonstrate how jointed basaltic lava flow shaped the geology of the area during the Early Mesozoic era through both extrusion and intrusion
2Great SwampGreen Village Morris and SomersetfederalThe remnant of the bottom of Glacial Lake Passaic which was formed by the melting waters of the retreating Wisconsin Glacier at the end of the last Ice Age. Established in 1960 as a National Wildlife Refuge now covering, it gained landmark status in 1966, and in 1968 became the first formally designated wilderness refuge in the United States.
3Manahawkin Bottomland Hardwood ForestManahawkin OceanstateA 965 acres wildlife management area known for its mature bottomland hardwood forest which contains examples of American sweetgum, red maple and black gum trees.
4Moggy Hollow Natural AreaFar Hills SomersetprivateThis narrow ravine is where Glacial Lake Passaic, pushed by the Wisconsin Glacier found an outlet, draining to the Raritan river. It remains today a nature preserve and an example of glacial geography.
5Palisades of the HudsonFort Lee to RockleighBergenstateListed in New York, this dramatic geologic ridge runs along the Hudson River
6Pigeon SwampSouth Brunswick Middlesexmixed- state, privateAn undeveloped state park, it holds a mix of upland and lowland hardwood forests. It was a major nesting site for passenger pigeons before they became extinct.
7Riker Hill Fossil SiteRoseland EssexcountyOver 1,000 Dinosaur, animal and insect tracks from the Late Triassic and Early Jurassic periods were discovered here in 1968 in a former stone quarry.
8Stone Harbor Bird SanctuaryStone Harbor Cape MaymunicipalA bird sanctuary and nature preserve which used to host annually returning herons and egrets for nesting season until they started disappearing in the late 1990s.
9Sunfish PondColumbia WarrenstateThis glacial pond is a favorite hiking destination in Worthington State Forest, adjacent to the Delaware Water Gap National Recreation Area. Supreme Court Justice William O. Douglas mentioned the pond in his dissenting opinion in the Sierra Club v. Morton case.
10Troy MeadowsParsippany-Troy Hills Morrismixed- state, privateThe last unpolluted freshwater marsh of large size in the region.
11William L. Hutcheson Memorial ForestSomerset SomersetstateA nature preserve which includes a virgin old growth forest. It's jointly managed by Rutgers University and the Nature Conservancy.