Tree Stewards will lead a free 90-minute walk at James Monroe’s historic Highland property. Highland’s open spaces afford vistas of mature ash, black walnut, maples, oaks, and other native trees. You will see a hemlock and towering white oak that date to Monroe’s time. Learn how to identify trees in the winter using their bark, twigs, form, and many other features as well as how Highland trees and tree-ring dating have contributed to historical interpretation. Limit 25 people. Registration required.