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.

Name Image Date Location County Description
1 Great Falls of Paterson-Garrett Mountain 01967-01 January 1967;
expanded 01967-04 April 1967
Paterson Passaic The 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
2 Great Swamp 01966-05 May 1966 Green Village Morris and Somerset The 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. It is now a 7,600 acres (31 km2) National Wildlife Refuge.
3 Manahawkin Bottomland Hardwood Forest 01976-01 January 1976 Manahawkin Ocean A 965 acres (391 ha)[1] wildlife management area known for its mature bottomland hardwood forest which contains examples of American sweetgum, red maple and black gum trees.
4 Moggy Hollow Natural Area 01970-01 January 1970 Far Hills Somerset This 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.
5 Pigeon Swamp 01976-12 December 1976 South Brunswick Middlesex An 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.
6 Riker Hill Fossil Site 01971-06 June 1971 Roseland Essex Over 1,000 Dinosaur, animal and insect tracks from the Late Triassic and Early Jurassic periods were discovered here in 1968 in an former stone quarry.
7 Stone Harbor Bird Sanctuary 01965-10 October 1965 Stone Harbor Cape May A 21.5-acre (8.7 ha) 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.
8 Sunfish Pond 01970-01 January 1970 Columbia Warren This 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.
9 Troy Meadows 01967 1967 Parsippany-Troy Hills Morris The last unpolluted freshwater marsh of large size in the region.
10 William L. Hutcheson Memorial Forest 01976-12 December 1976 Somerset Somerset A 500 acres (200 ha) nature preserve which includes a 65 acres (26 ha) virgin old growth forest. It's jointly managed by Rutgers University and the Nature Conservancy.
11 Palisades of the Hudson 01983-06 June 1983 Fort Lee to Rockleigh Bergen Listed in New York, this dramatic geologic ridge runs along the Hudson River