National Natural Landmarks

Bijou Hills

Bijou Hills
Bijou Hills

Bijou Hills is an excellent example of an erosional remnant of soft clays and shales capped by a channel sandstone and quartzite.

Location: Charles Mix County, SD ; Charles Mix County, SD

Year designated: 1976

Acres: 299

Ownership: Private

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Please remember, National Natural Landmarks (NNLs) are not national parks. NNLs are owned by a variety of public and private entities and allowing visitation is at their discretion. Many NNL sites maintain public websites where additional information may be found.


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