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Annual Free Training for Volunteer Trail Stewards

04/18/2026 12:00 PM - 04:00 PM ET
Stewardship
  • Free
Prospect Hill Park Lodge
314 Totten Pond Road
North Waltham, MA 02451
Learn how to help maintain our trails and open space independently with WLT’s love and support!

27th Annual Charles River Earth Day Cleanup--AT CAPACITY

04/25/2026 10:00 AM - 12:00 PM ET
Stewardship
  • Free
Shaw's parking lot
130 River Street
Waltham, MA
Celebrate Earth Day by removing litter from along the banks of the Charles River between Farwell Street and Newton Street. Trash bags and disposable gloves provided.

Green Space Blues Jam 2026

05/15/2026 07:30 PM - 10:30 PM ET
Fundraiser
  • $85.00  -  General Public Ticket (login to get member price)
  • $40.00  -  $40 Under 40
Stonehurst
100 Robert Treat Paine Dr
Waltham, MA 02452
Online registration is now open!
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