Hike
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Pothole Trail Guided Hike
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Join the naturalist on a hike back in time to learn about the geology of Interstate Park and how the unique terrain and characteristics of the St. Croix Valley came to be.
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Discover The Willow 6-Mile Hike
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Join the naturalist on a 6-mile round-trip hike and discover some of Willow River State Park's most beautiful sights.
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Hemlock Trail Plant Walk
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Want to learn more about wild plants and how to identify them? Join the Kickapoo Valley Plant Lookers on their monthly plant study along the Hemlock Trail.
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Saturday Strolls
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Take a stroll out on the Horicon Marsh State Wildlife Area with a DNR Educator. We will meet at the Horicon Marsh Education and Visitor Center at 8:30 a.m. and after a quick intro we will hit the trails. With no set destination in mind, you never…
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Discovering Wildflowers
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Wildflowers change throughout the season. Join Master Naturalist Karen Merlau and discover the many wildflowers growing along the Black River Trail. Wear comfortable shoes and dress for the weather.
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Discovering Wildflowers
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Join master naturalist Karen Merlau and discover the many wildflowers growing along the Black River Trail.
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Naturalist-Led Hike
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We will explore the park's geology, history and wildlife each week as we hike the East Bluff Trail.
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Historical Traces Trek
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Join Dave Lea, who has been exploring the park since the 1970s, on an exciting, off-trail adventure finding the park’s historic sites.
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Discovery Bird Walk
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Meet master naturalists Janet and Andy Raddatz to observe birds and nature in the park.