Learn about local trees and ecology from local guide Andy Upshaw at White Pines Tree Walk with Grand Trees of Chatham, hosted Tue, Jul 22, 9am-12pm at White Pines Nature Preserve. You’ll see five Grand Trees during this three-hour walk. This event is rain or shine; please come prepared. Sturdy walking boots and a bottle of water are recommended for this activity. You will meet at the parking lot, and the walk together will begin from there.