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Monument Rocks (Kansas)

Coordinates: 38°47′26″N 100°45′45″W / 38.79056°N 100.76250°W / 38.79056; -100.76250
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Monument Rocks
View of the Monument Rocks
Map showing location of Monument Rocks
LocationSouth of Oakley, Kansas, Gove County, Smoky Hills, Kansas, United States
Coordinates38°47′26″N 100°45′45″W / 38.79056°N 100.76250°W / 38.79056; -100.76250
Elevation802 m (2,631 ft)
EstablishedNational Natural Landmark
WebsiteWashburn University website

Monument Rocks (also Chalk Pyramids) are a series of big chalk formations in Gove County, Kansas. It has many fossils. The formations were the first landmark chosen by the US Department of the Interior as a National Natural Landmark. The chalk formations reach a height of up to 70 ft (21 m). It includes formations such as buttes and arches. The carbonate deposits were laid down during the Cretaceous Period in what was then the Western Interior Seaway. It split the continent of North America into two landmasses. They are estimated to have been formed 80 million years ago.

History[change | change source]

On January 29, 2008, Monument Rocks, 25 miles south of Oakley, Kansas, and Castle Rock, 31 miles to the east, together were named as one of the 8 Wonders of Kansas.[1]

References[change | change source]

  1. "8 Wonders of Kansas Revealed" (PDF). 2008-01-09. Archived from the original (PDF) on 2017-02-16. Retrieved 2022-05-03.

Other websites[change | change source]