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WhoaZone one of the biggest water parks in the Midwest! It offers an inflatable on-water obstacle course that provides hours of high-energy fun for kids 7 years and older or at least 45″ tall – you also need to be a good swimmer. The WhoaZone at Holly Recreation Area is designed to ensure every “Zoner” has an amazing experience, and is the perfect attraction for those seeking over-the-top adventures, mind-blowing acrobatic thrills, and safe, yet fun, athletic challenges.

WhoaZone offers four different routes with four different challenge levels – from easy to challenging. Every visitor, be a first timer or an experienced “zoner”, can easily find the perfect route to test their skill level.

Located inside Holly Recreation State Park on Heron Lake.

  • Open to the public


ELEMENTARY (6-9 years), TWEEN (10-13 years), Activities, Amusement and Water Parks, Outdoor Activities, Parks and Playgrounds,