Self-guided tour of sweet science

Learn the sweet science behind how trees make sap, and how the sap is turned into real maple syrup on a hike along a self-guided trail at Ryerson Conservation Area, 21950 N. Riverwoods Road in Riverwoods. Informational signs are placed along a designated trail at Ryerson Woods for visitors to enjoy at their own pace during forest preserve hours, 6:30 a.m. to sunset. There is no charge and registration is not required. Follow signs from the Ryerson Woods Welcome Center to the trail head. Self-guided tours ends March 31. Email AskAnEducator@lcfpd.org with questions or to inquire about accommodations.