List of National Natural Landmarks In Missouri (16 items)report

• []: 1
  [Name]: Big Oak Tree State Park
  [Image]:
  [Date]: May 1986
  [Location]: East Prairie 36°39′18″N 89°19′42″W / 36.655°N 89.32833°W / 36.655; -89.32833 (Big Oak Tree State Park)
  [County]: Mississippi
  [Ownership]: state
  [Description]: A rare untouched wet-mesic bottomland hardwood forest in the Mississippi Alluvial Plain, it is the home of several state and national champion trees
  

• []: 2
  [Name]: Carroll Cave
  [Image]:
  [Date]: 1977
  [Location]:
  [County]: Camden
  [Ownership]: private
  [Description]: Contains a dendritic system of subsurface karst streams and tributaries.
  

• []: 3
  [Name]: Cupola Pond
  [Image]:
  [Date]: 1974
  [Location]:
  [County]: Ripley
  [Ownership]: federal
  [Description]: One of the most ancient sinkhole ponds in the Ozark plateaus. Located in Mark Twain National Forest.
  

• []: 4
  [Name]: Golden Prairie
  [Image]:
  [Date]: 1975
  [Location]: Golden City 37°21′45″N 94°09′01″W / 37.36261°N 94.15019°W / 37.36261; -94.15019 (Golden Prairie)
  [County]: Barton
  [Ownership]: private
  [Description]: An unplowed remnant of the tall grass prairie ecosystem.
  

• []: 5
  [Name]: Grand Gulf State Park
  [Image]:
  [Date]: June 1971
  [Location]: Thayer 36°31′27″N 91°32′38″W / 36.52427°N 91.54389°W / 36.52427; -91.54389 (Grand Gulf State Park)
  [County]: Oregon
  [Ownership]: state
  [Description]: An excellent example of karst topography, this canyon is a collapsed dolomite cave with a 200 feet (61 m) natural bridge. Water in this canyon emerges 9 miles (14 km) away in Mammoth Spring, Arkansas.
  

• []: 6
  [Name]: Greer Spring
  [Image]:
  [Date]: 1980
  [Location]: 36°47′12″N 91°20′51″W / 36.786667°N 91.3475°W / 36.786667; -91.3475 (Greer Spring)
  [County]: Oregon
  [Ownership]: private
  [Description]: Spring in the Ozarks that discharges into a high quality, cascading stream.
  

• []: 7
  [Name]: Maple Woods Natural Area
  [Image]:
  [Date]: 1980
  [Location]:
  [County]: Clay
  [Ownership]: state
  [Description]: Contains a nearly virgin sugar maple and mockernut hickory forest.
  

• []: 8
  [Name]: Maramec Spring
  [Image]:
  [Date]: October 1971
  [Location]: St. James 37°57′19″N 91°32′11″W / 37.95526°N 91.53632°W / 37.95526; -91.53632 (Maramec Spring)
  [County]: Phelps
  [Ownership]: private
  [Description]: A natural spring, the fifth largest in the state. It has a notable trout park and a historic iron works in a privately owned park.
  

• []: 9
  [Name]: Mark Twain and Cameron Caves
  [Image]:
  [Date]: 1972
  [Location]: 39°41′19″N 91°19′54″W / 39.68864°N 91.33153°W / 39.68864; -91.33153 (Mark Twain Cave)
  [County]: Marion
  [Ownership]: private
  [Description]: Exceptionally good examples of the maze type of cavern development.
  

• []: 10
  [Name]: Marvel Cave
  [Image]:
  [Date]: 1972
  [Location]: 36°40′03″N 93°20′23″W / 36.6675°N 93.3397°W / 36.6675; -93.3397 (Marvel Cave)
  [County]: Stone
  [Ownership]: private
  [Description]: Includes one of the greatest dripstone units of all the Ozark caves.
  

• []: 11
  [Name]: Onondaga Cave State Park
  [Image]:
  [Date]: 1980
  [Location]: 38°03′39″N 91°13′38″W / 38.060833°N 91.227222°W / 38.060833; -91.227222 (Onondaga Cave State Park)
  [County]: Crawford
  [Ownership]: state
  [Description]: Contains an unusually large and varied number of speleothems.
  

• []: 12
  [Name]: Pickle Springs
  [Image]:
  [Date]: 1975
  [Location]:
  [County]: Ste. Genevieve
  [Ownership]: state
  [Description]: Contains one of the finest Pleistocene relict habitats in Missouri.
  

• []: 13
  [Name]: Taberville Prairie
  [Image]:
  [Date]: 1975
  [Location]:
  [County]: St. Clair
  [Ownership]: state
  [Description]: One of the largest remaining virgin tall grass prairies.
  

• []: 14
  [Name]: Tucker Prairie
  [Image]:
  [Date]: 1975
  [Location]:
  [County]: Callaway
  [Ownership]: private
  [Description]: A virgin tall grass prairie occurring within the transition zone between the oak-hickory forest and typical tall grass prairie.
  

• []: 15
  [Name]: Tumbling Creek Cave
  [Image]:
  [Date]: 1980
  [Location]:
  [County]: Taney
  [Ownership]: private
  [Description]: Contains the most diverse fauna known for any cave west of the Mississippi River.
  

• []: 16
  [Name]: Wegener Woods
  [Image]:
  [Date]: 1975
  [Location]:
  [County]: Warren
  [Ownership]: private
  [Description]: An essentially virgin oak-hickory-dominated forest in a condition of gradual change to a sugar maple-dominated forest.
  

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