MOUNT GREYLOCK MOTH NIGHT!, 7:00—9:00 p.m. Did you know that moths play a crucial part of the ecosystem? Investigate these unsung heroes and see the park at night! Bring water, a snack, and a headlamp. Rain cancels. Pre-registration is requested at (413) 499-4262.

Mount Greylock State Reservation 30 Rockwell Road, Lanesborough, MA 01237.