Home| May 18 Wednesday, Apr 23 > Organization: Retzer Nature Center - Waukesha County Parks, WILocation: S14W28167 Madison StWaukesha, WI, 53188United StatesSee map: Google MapsPhone:(262) 896-8007 Story Hike at the Retzer Nature CenterThe event has already taken place on this date: 04/30/2025Time: Trail Open from Sunrise - 10 pm