WCPARC naturalist Shawn Severance leads a hike to explore the summer forest and the abundance of life that emerges at the complex edge of water and sand created by the meltwaters of the glaciers thousands of years ago. 6–8 p.m., West Lake Nature Preserve, 21520 Waterloo, Chelsea. Free. Preregistration required (#841009) at washtenaw.org/registerparks. [email protected].