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Wisconsin Life

One tough rock: Central Wisconsin’s Rib Mountain survived volcanoes, erosion and glaciers

0s2022 JUN 22
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There’s a rumor that Rib Mountain in central Wisconsin is an extinct volcano. It seems somewhat reasonable…You can see it from miles away, it has a conical shape and there are volcanic rocks all over the city of Wausau. Well, it’s not. It never was. And although it does have ties to ancient volcanoes, the star of Rib Mountain’s story is a rock too tough to break. WPR’s Liz Dohms-Harter reports.

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