The Largest Exposed Glacier Erratic In Iowa Is Hidden Away In A Marion City Park

Rocks. They’re everywhere, and we often take them for granted. But did you know that there’s one rock in Iowa that inspired an entire city park? No one is taking this massive boulder for granted, that’s for sure!

To learn more about Waldo’s Rock Park, visit the City of Marion’s website. And if you love local Iowa geology, don’t miss other fascinating rocks around the state, including the ones you’ll spot at Geode State Park or the Devonian Fossil Gorge.

Address: Waldo's Rock Park, 6303 Partners Ave, Marion, IA 52302, USA