There are 11 National Natural Landmarks in New Hampshire.
Name Image Date Location County Ownership Description East Inlet Natural Area Coos Private Contains a black spruce-tamarack bog and a virgin, balsam fir-red spruce forest. Floating Island Coos Federal A floating heath bog in Umbagog National Wildlife Refuge. Franconia Notch Franconia Grafton State An old stream valley, ground to a U-shape by glacial movement. Heath Pond Bog Carroll State A classic example of bog succession from open water to sphagnum-heath-black spruce bog. Madison Boulder Carroll State The largest known glacial erratic in North America. Mount Monadnock Cheshire Mixed- state, municipal, private A prominent, isolated, relict mountain. Type locality of a monadnock. Nancy Brook Virgin Spruce Forest and Scenic Area 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 Coos State Two shallow, warm water ponds, surrounded by marsh, bog and forest that support a great variety of birds. Rhododendron Natural Area Fitzwilliam Cheshire State The largest, thriving stand of rhododendron in central and southern New England. Spruce Hole Bog Strafford Municipal The last known kettle hole bog in southern New Hampshire. White Lake Pitch Pine Carroll State A mature, undisturbed pitch pine and bear-oak forest.
See also
List of National Historic Landmarks in New Hampshire