Geode State Park, State park and historic site in southeastern Iowa, United States.
Geode State Park is a scenic area in southeastern Iowa centered around a large lake surrounded by wooded ridges and limestone cliffs. The lake covers roughly 187 acres within the park's 1,640-acre boundaries, creating a natural focal point for outdoor recreation.
The Civilian Conservation Corps built the park's core infrastructure starting in 1937, including roads, shelters, and facilities that serve visitors to this day. The work programs of that era shaped the layout and accessibility of the site.
The region was home to Native American peoples whose artifacts remain scattered across the land near the Skunk River. This heritage shapes how visitors understand the park's deeper connection to the landscape.
Two boat ramps provide access on the lake's east side, with speed limits enforced to protect the shoreline from damage. Plan your visit during daylight hours and check conditions before bringing watercraft to ensure a smooth experience.
The park office displays geode specimens that give the site its name, but visitors are not allowed to collect these rock formations within the boundaries. This restriction helps preserve the natural landscape for everyone to enjoy.
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