The Department of Conservation and Recreation invites you to the Great Falls Discovery Center to lend a hand during this day of volunteer service to our state parks. For any special accommodations or needs you may have for the day, please call (413) 863-3221. Bring your own water and snack. Registration:  https://www.mass.gov/info-details/dcr-park-serve-day. For ages 6 and up. Meet at the main entrance.