National Natural Landmarks

Lower Cache River Swamp

Lower Cache River Swamp
Lower Cache River Swamp. Photo by A.E. and J. Corzine.

Lower Cache River Swamp is an outstanding remnant of the swampy flood plain forest and open swamp that once covered an extensive area at the junction of the Mississippi and Ohio River valleys. The site has many large trees including three trees larger than any on record for the species in the nation.

Location: Johnson County, IL ; Johnson County, IL ; Pulaski County, IL ; Pulaski County, IL

Year designated: 1980

Acres: 1,347

Ownership: State, 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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