From List of National Natural Landmarks, these are the National Natural Landmarks in Minnesota. There are 8 in total.

Upper Red Lake Peatland

Cedar Creek

Itasca

Keeley Creek

Lac la Croix

Lake Agassiz Peatlands

Pine Point

Ancient River Warren Channel

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Minnesota National Natural Landmarks (clickable map)

	Name	Image	Date	Location	County	Ownership	Description
1	Ancient River Warren Channel		1966	45°35′6″N 96°49′48″W / 45.58500°N 96.83000°W / 45.58500; -96.83000	Big Stone	mixed- state, private	A channel cut by the Ancient River Warren during the Ice Age. Extends into South Dakota.
2	Cedar Creek Natural History Area		1975	45°24′7.29″N 93°11′57.85″W / 45.4020250°N 93.1994028°W / 45.4020250; -93.1994028	Anoka, Isanti	mixed- state, private	A relatively undisturbed area where tall grass prairie, eastern deciduous forest and boreal coniferous forest biomes meet.
3	Itasca Natural Area		1975	47°11′40.21″N 95°9′55.22″W / 47.1945028°N 95.1653389°W / 47.1945028; -95.1653389	Clearwater	state ( Itasca State Park)	Contains some of the finest remaining stands of virgin red pine, spruce- balsam fir, and maple-basswood-aspen forest.
4	Keeley Creek Natural Area		1965	47°47′23.5″N 91°42′22.52″W / 47.789861°N 91.7062556°W / 47.789861; -91.7062556	Lake	federal ( Superior National Forest)	A large tract of undisturbed mixed pine and black spruce forest.
5	Lac la Croix Research Natural Area		1980	48°20′N 92°7′W / 48.333°N 92.117°W / 48.333; -92.117	St. Louis	federal (Superior National Forest)	Old-growth virgin pine forests.
6	Lake Agassiz Peatlands Natural Area		1965	48°02′13″N 93°28′30″W / 48.037°N 93.475°W / 48.037; -93.475	Koochiching	state	An example of the extensive peatlands occupying the bed of ancient glacial Lake Agassiz.
7	Pine Point Research Natural Area		1975	47°7′52.83″N 94°33′19.09″W / 47.1313417°N 94.5553028°W / 47.1313417; -94.5553028	Cass	federal ( Chippewa National Forest)	Contains undisturbed stands of red and mixed pine.
8	Upper Red Lake Peatland		1975	48°11′34″N 94°30′43″W / 48.19278°N 94.51194°W / 48.19278; -94.51194	Beltrami	mixed- federal, state, private, native	One of the largest peatlands remaining in the coterminous United States.