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 | Ownership | Description | ||
|---|---|---|---|---|---|---|---|---|
| 1 |
| Paterson 40.9162°N -74.1816°W | federal | 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 | Green Village 40.7083°N -74.4667°W | Morris and Somerset | federal | 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. Established in 1960 as a National Wildlife Refuge now covering 7600acres, it gained landmark status in 1966, and in 1968 became the first formally designated wilderness refuge in the United States. | ||||
| 3 | Manahawkin 39.6856°N -74.2217°W | state | 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 | Far Hills 40.6735°N -74.6141°W | Somerset | private | 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 | Fort Lee to Rockleigh40.9645°N -73.9086°W | state | Listed in New York, this dramatic geologic ridge runs along the Hudson River | |||||
| 6 | South Brunswick 40.3869°N -74.4738°W | mixed- state, private | 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. | |||||
| 7 | Roseland 40.8157°N -74.3267°W | county | Over 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. | |||||
| 8 | Stone Harbor 39.0416°N -74.7688°W | municipal | A 21.5acres 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. | |||||
| 9 | Columbia 41.003°N -75.0731°W | state | 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. | |||||
| 10 | Troy Meadows | Parsippany-Troy Hills 40.846°N -74.3793°W | mixed- state, private | The last unpolluted freshwater marsh of large size in the region. | ||||
| 11 | Somerset 40.5004°N -74.5672°W | state | A 500acres nature preserve which includes a 65acres virgin old growth forest. It's jointly managed by Rutgers University and the Nature Conservancy. |