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Outdoor Activity

  • Event

    Bonfire Night

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    We will have a candlelit hike on the Woodland Trail, beginning at 6 p.m. Bonfires and hot cocoa will be in the beach area from 6 -9 p.m.

  • Event

    Midday Walk

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    Enjoy nature over lunch with a short, 1-mile guided walk through Havenwoods.

  • Event

    Skyline Trail Hike

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    Climb to Sven’s Bluff along rolling terrain. Join a naturalist to explore this 3-mile loop over moderate terrain. Please bring a water bottle and anticipate the hike to take approximately 2 hours.

  • Event

    Let’s Go Mountain Biking

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    Lace up your hiking boots, and join the naturalist on a 5-mile hike, where you’ll learn about several geological landforms within the park, some dating back as far as 570 million years ago.

  • Event

    Badger Orienteering Club Map And Compass Navigation Event

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    Join the Badger Orienteering Club for a skill-building map-and-compass navigation event! Learn more about the sport and art of point-to-point navigation in unfamiliar terrain. Using a compass and map, find control points placed along a course.

  • Event

    Fall Pumpkin Hike

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    Please join Friends of Hartman Creek State Park for a family friendly evening of hiking illuminated park trails along Hartman Lake. Over 500 luminaries decorated by local grade school students will light up the 1.2-mile trail around Hartman Lake.…

  • Event

    Window to the Universe

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    The Northern Cross Science Foundation volunteers will be waiting to explore the beauty and depth of the night sky with you

  • Event

    Candlelight Walk

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    Join us to seek out the mysteries of the night as you hike along a one-mile stretch of candlelit trail where over 300 candle luminaries light the path.

  • Event

    Pumpkin Carving Contest

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    Join us for the Friends of Devil's Lake annual Pumpkin Carving Contest! We’ll have four contest categories based on age (0-5, 6-11, 12-17, and 18+ years). This activity will be happening at the North Shore, between the Chateau and the Rock Elm…

  • Event

    Spooky Stories & S’mores

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    The sunsets over the lake in a rich orange hue, the fluttering bats start to emerge… and then the Slinger Community Library seizes the audience with their captivating storytelling! Join us for an evening surrounded by the gorgeous fall colors and…

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