List of National Natural Landmarks in Oklahoma

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From List of National Natural Landmarks, these are the National Natural Landmarks in Oklahoma. There are 3 in total.

Name Image Date Location County Description
1 Devil's Canyon December 1974 Canadian Known for several different mesic plants in a diverse environment of oak woodland/tall prairie grass and eastern deciduous forest
2 McCurtain County Wilderness Area December 1974 Broken Bow 34°16′55″N 94°41′48″W / 34.281971°N 94.696655°W / 34.281971; -94.696655 (McCurtain County Wilderness Area) McCurtain A 14,087 acres (57.01 km2) wilderness nature preserve since 1918. It is an excellent example of a xeric upland oak-pine forest
3 Salt Plains National Wildlife Refuge ViewO.jpg June 1983 Jet 36°45′01″N 98°13′27″W / 36.750314°N 98.224259°W / 36.750314; -98.224259 (Salt Plains National Wildlife Refuge) Alfalfa A 32,000-acre (130 km2) National Wildlife Refuge, it is a critical habitat for 75% of the endangered Whooping Crane population.