There are 11 National Natural Landmarks in New Hampshire.
| Name | Image | Date | Location | County | Ownership | Description |
|---|---|---|---|---|---|---|
| 45.2114°N -71.1105°W | Private | Contains a black spruce-tamarack bog and a virgin, balsam fir-red spruce forest. | ||||
| Coos | Federal | A floating heath bog in Umbagog National Wildlife Refuge. | ||||
| Franconia 44.1707°N -71.6881°W | State | An old stream valley, ground to a U-shape by glacial movement. | ||||
| 43.7594°N -71.1165°W | State | A classic example of bog succession from open water to sphagnum-heath-black spruce bog. | ||||
| 43.9333°N -71.1627°W | State | The largest known glacial erratic in North America. | ||||
| 42.8608°N -72.1081°W | Mixed- state, municipal, private | A prominent, isolated, relict mountain. Type locality of a monadnock. | ||||
| Federal | May be the largest virgin forest tract in the northeastern United States. A part of White Mountain National Forest. | |||||
| 44.3778°N -71.5259°W | Coos | State | Two shallow, warm water ponds, surrounded by marsh, bog and forest that support a great variety of birds. | |||
| Fitzwilliam 42.7804°N -72.1889°W | State | The largest, thriving stand of rhododendron in central and southern New England. | ||||
| 43.1261°N -70.9678°W | Municipal | The last known kettle hole bog in southern New Hampshire. | ||||
| 43.8359°N -71.2089°W | State | A mature, undisturbed pitch pine and bear-oak forest. | ||||