Lake of the Ozarks is around the same size as Mammoth Cave National Park.

Mammoth Cave National Park is approximately 219 km² (84 sq mi), while Lake of the Ozarks is approximately 212 km² (82 sq mi), making Lake of the Ozarks 96.85% the size of Mammoth Cave National Park.
Tip: This to-scale comparison of Mammoth Cave National Park vs. Lake of the Ozarks uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Lake of the Ozarks vs. Mammoth Cave National Park

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