William O’Brien State Park
William O’Brien State Park is just one hour from Minneapolis-St. Paul. It “…provides a beautiful setting for quality recreation along the banks of the St. Croix River. Hiking trails offer quiet exploration of the park’s rolling, wooded hills. ” Here is the Park website.
Riverside Trail 1.6 miles. “This self-guided, accessible trail winds by the St. Croix River, Lake Alice and majestic 100-year old pine trees.” Map