Natural Wonder in Rock City Kansas

Odd boulders at Rock City Kansas form unique tourist attraction.

| CAPPER's July 2005

  • Unforgettable Sight of Rock
    UNFORGETTABLE SIGHT: At Rock City in Ottawa County, Kansas, visitors can get an up-close look at some unusual-looking hunks of stone.
    by Karen Ann Bland

  • Unforgettable Sight of Rock

Rock City in Kansas isn't a city at all, but a group of impressive boulders that is one of only three National Natural Landmarks in the state.

Located in Ottawa County, the natural wonder overlooks the Solomon River Valley and lies at the base of the Smoky Hills. Some 200 colossal spheres - some as huge as houses - dot the landscape in an area about the size of two football fields. The boulders, ranging in size from 8 to 27 feet in diameter, comprise a unique area of geological interest.

The huge rocks at Rock City are what geologists call sandstone concretions. The spot is unique for having so many of them of such magnitude at one site.

Geologists long debated the origins of the rocks. Information at the site provides the nitty-gritty on the agreed-upon history of this odd collection of stones. Their origins date back millions of years when the area was covered by an inland sea.

Rock City has been described in geology textbooks dating back to the 1800s, but the spectacle has attracted the attention of more than just geologists. In 1806, the explorer Capt. Zebulon Pike and his expedition party reportedly passed through this area while crossing Kansas, and they used Rock City as an important landmark.

Rock City appears as it has been for thousands of years. Because the land is unsuitable for general agriculture, natural vegetation has not been disturbed, and Rock City retains its original ecology. At least 74 native flowering plants grow among the field of concretions.

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