The third largest spring in the Ozark Mountains, Mammoth Spring is a classic example of a spring originating as a resurgent subterranean stream.
Year designated: 1972
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.