Interstate State Park (Wisconsin) 28-July-2022

Last June, we paid a visit to the Minnesota part of Interstate State Park. But there’s a Wisconsin 🧀 part too. That part is Wisconsin’s oldest (1900) state park and the western terminus of the Ice Age Trail. Both parts straddle the Dalles of the Saint Croix River, a deep-sided gorge that river had worn through the basalt foundation strata. We wondered if there was any relation here to The Dalles, a town on the Columbia River in Oregon. No. We’d learn later that “dalles” is not a specific name but rather a general term describing where a river runs through a gorge – which the Columbia does just downstream of Oregon’s The Dalles.

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