Charles River cleanup to celebrate National Public Lands Day at Shaw’s supermarket, Waltham, MA
Saturday, September 26, 2026 · 10:00 AM
Shaw’s supermarket, 130 River St., Waltham, MA
Free
Join Waltham Land Trust, Waltham Trail Runners, and 350 Mass Waltham to help tidy up the Charles River this National Public Lands Day. Grab your own gloves and a reusable bottle to help pick up litter along the water while enjoying snacks provided at Shaw's supermarket.