“Hike to Hickory Hills”: Waterloo Natural History Association.:
All invited to join a 5-mile hike over rugged terrain following glacial topography. Wear sturdy shoes and bring water. 9–11 a.m., Eddy Discovery Center, 17030 Bush Rd., Chelsea. Free. 475–3170. $11 ($16 at the gate) per vehicle state recreation passport required. wnha.org/events., . . . . . .