The following is a list of National Natural Landmarks in Montana. There are 10 in total.
Middle Fork Canyon
Bug Creek Fossil Area
Capitol Rock
Square Butte
Montana National Natural Landmarks (clickable map)
| Name | Image | Date | Location | County | Ownership | Description | |
|---|---|---|---|---|---|---|---|
| 1 | Bridger Fossil Area | 1973 | Carbon | federal (Bureau of Land Management) | Contains fossils of Deinonychus antirrhopus. | ||
| 2 | Bug Creek Fossil Area | 1966 | 47°40′59″N 106°13′09″W / 47.68299°N 106.219193°W | McCone | federal (Charles M. Russell National Wildlife Refuge) | Produced abundant remains of small, Cretaceous mammals. | |
| 3 | Capitol Rock | 1976 | 45°35′45″N 104°07′12″W / 45.59584°N 104.120134°W | Carter | federal (Custer National Forest) | A remnant of the once continuous blanket of Tertiary deposits that covered much of the Great Plains. | |
| 4 | Cloverly Formation Site | 
|
1973 | Big Horn | tribal land (Crow Nation) | Contains early Cretaceous vertebrate fossils. | |
| 5 | Glacial Lake Missoula | 
|
1966 | 46°56′20″N 114°08′37″W / 46.938889°N 114.143611°W | Sanders | private | Contains the best examples of giant flood ripples in the North American continent. |
| 6 | Hell Creek Fossil Area | 
|
1966 | 46°09′N 107°29′W / 46.15°N 107.48°W | Several | mixed- state, private | The type locality for Tyrannosaurus rex, Ankylosaurus magniventris, and Brachychampsa fontana fossils. |
| 7 | Medicine Lake Site | 1980 | 48°28′05″N 104°22′54″W / 48.468056°N 104.381667°W | Sheridan | federal (Medicine Lake National Wildlife Refuge) | An exceptional example of the processes of continental glaciation, including till, outwash, eskers, kames, and terrace deposits. | |
| 8 | Middle Fork Canyon | 1977 | 46°07′54″N 111°06′35″W / 46.131701°N 111.109849°W | Gallatin | federal (Bureau of Land Management) | An outstanding example of a canyon cut across the grain of the geologic structure by a superposed stream. | |
| 9 | Red Rock Lakes National Wildlife Refuge | 
|
1966 | 44°37′49″N 111°46′53″W / 44.630278°N 111.781389°W | Beaverhead | federal | A series of relatively undisturbed, high-altitude ecosystem types representative of pre-European settlement conditions. |
| 10 | Square Butte (mountain) | 
|
1980 | 47°28′35″N 110°14′31″W / 47.476499°N 110.241999°W | Chouteau | federal (Bureau of Land Management) | One of the best examples of banded magmatic rock in the United States. |
This page was last edited on 2 June 2022, at 23:19