There are 11 National Natural Landmarks in New Hampshire.
New Hampshire National Natural Landmarks (clickable map)
| Name | Image | Date | Location | County | Ownership | Description |
|---|---|---|---|---|---|---|
| East Inlet Natural Area | 1972 | 45°12′41″N71°06′38″W / 45.211385°N 71.110497°W | Coos | Private | Contains a black spruce-tamarack bog and a virgin, balsam fir-red spruce forest. | |
| Floating Island | 1972 | Coos | Federal | A floating heath bog in Umbagog National Wildlife Refuge. | ||
| Franconia Notch |  | 1971 | Franconia 44°10′15″N71°41′17″W / 44.1707°N 71.6881°W | Grafton | State | An old stream valley, ground to a U-shape by glacial movement. |
| Heath Pond Bog |  | 1972 | 43°45′34″N71°06′59″W / 43.759423°N 71.116465°W | Carroll | State | A classic example of bog succession from open water to sphagnum-heath-black spruce bog. |
| Madison Boulder |  | 1970 | 43°56′00″N71°09′46″W / 43.93329°N 71.162671°W | Carroll | State | The largest known glacial erratic in North America. |
| Mount Monadnock |  | 1987 | 42°51′39″N72°06′29″W / 42.860833°N 72.108056°W | Cheshire | Mixed- state, municipal, private | A prominent, isolated, relict mountain. Type locality of a monadnock. |
| Nancy Brook Virgin Spruce Forest and Scenic Area | 1987 | Carroll, Grafton | Federal | May be the largest virgin forest tract in the northeastern United States. A part of White Mountain National Forest. | ||
| Pondicherry Wildlife Refuge |  | 1972 | 44°22′40″N71°31′33″W / 44.377846°N 71.525937°W | Coos | State | Two shallow, warm water ponds, surrounded by marsh, bog and forest that support a great variety of birds. |
| Rhododendron Natural Area | 1982 | Fitzwilliam 42°46′49″N72°11′20″W / 42.7804°N 72.1889°W | Cheshire | State | The largest, thriving stand of rhododendron in central and southern New England. | |
| Spruce Hole Bog |  | 1972 | 43°07′34″N70°58′04″W / 43.126111°N 70.967778°W | Strafford | Municipal | The last known kettle hole bog in southern New Hampshire. |
| White Lake Pitch Pine | 1980 | 43°50′09″N71°12′32″W / 43.8359°N 71.2089°W | Carroll | State | A mature, undisturbed pitch pine and bear-oak forest. | |
