Dates and times are subject to change by organizers. Please visit the organizers’ website for the latest information.

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  • CANCELLED DUE TO WEATHER National Trails Day — MCRT cleanup

    140 Lexington Street 140 Lexington Street, Waltham, MA

    Help pick up litter and remove invasive plants along the newly opened Mass Central Rail Trail on this day when people all over the country are celebrating trails. Supplies will be provided, but bring work gloves if you have them. Park/meet in AutoZone lot, 140 Lexington Street.

    Free
  • Prospect Hill Park—June Volunteer Day

    Prospect Hill Park 314 Totten Pond Road, Waltham, MA

    Volunteers are needed to remove invasive species and paint the old ski huts. Be prepared for working in the woods. Wear closed toe shoes, long pants, sun protection, bring water and snacks. If you have them, feel free to bring your own tools: loppers, garden shears, work gloves, trash picker sticks. Parking at the Prospect […]

    Free
  • National Purple Heart Day

    Waltham City Hall 610 Main St., Waltham, MA, United States

    Join the Veterans' Services Department for a Purple Heart flag raising.

    Free
  • Prospect Hill Park—September volunteer day

    Prospect Hill Park 314 Totten Pond Road, Waltham, MA

    We will be painting ski huts or picnic shelters! (Weather permitting: If weather prevents painting, trail maintenance will be the backup.) Parking at Sunset Shelter. Be prepared for work in the woods: Wear closed toe shoes, long pants, sun protection; bring water and snacks. If you have them, feel free to bring your own tools: […]

    Free
  • Hardy Pond walk and new WLT land celebration

    Lazazzero Playground 7 Shore Road, Waltham, MA

    It's National Public Lands Day! We can't think of a better way to celebrate than with a stroll along the Hardy Pondside Walkway, followed by a party at our newly expanded Lakeview Preserve! Tag along on this 1.5-mile leisurely walk to learn about ongoing stewardship efforts to protect Hardy Pond while enjoying sights of nature […]

    Free
  • The Great Farm Day Bake Sale

    Waltham Fields Community Farm 240 Beaver St, Waltham, MA, United States

    Calling all bakers! Contribute to the great farm day bake sale at Waltham Fields Community Farm. This sweet fundraiser supports our mission and we need you to bake a batch of your favorite treats. Suggestions for bake sale items: Breads — quick breads and yeast-based Cakes (except cheesecake or cream-filled) Cookies, cupcakes, bars, muffins Hand-held […]

  • Prospect Hill Park—October volunteer day

    Prospect Hill Park 314 Totten Pond Road, Waltham, MA

    This week's project: progress on the plant nursery. Moving soil to planting areas Weeding Be prepared for work in the woods: Wear closed toe shoes, long pants, sun protection; bring water and snacks. If you have them, feel free to bring your own tools: loppers, garden shears, work gloves, trash picker sticks. Park at the […]

    Free
  • 15th Annual Farm Day

    Waltham Fields Community Farm 240 Beaver St, Waltham, MA, United States

    WFCF's annual festival celebrating locally grown food, sustainable agriculture, community, and the land we steward. This outdoor, family-friendly event features hands-on farm activities, educational demonstrations, live music, agricultural-infused magic show, pick-a-pound carrot patch, farm crafts, kids' games, temporary tattoo parlor, and more! Free Tick Tock Trolley service 1-4 p.m. Continuous loops between Waltham Common and […]

    Free
  • Election Day

    City of Waltham

    Election Day. Full information can be found here.

    Free
  • Waltham Girl Scouts day of service

    Waltham Common 610 Main St, Waltham, MA, United States

    Waltham Girl Scouts is hosting a day of service event on Waltham Common at the gazebo. Bring donations and stay for some fun activities! A full list of needed donations is at this link. Please Bring: Cat food (canned and dry) Socks (new, warm) Candy (wrapped) Granola bars Disposable diapers/wipes Sanitary products Toys (new, unwrapped) Winter […]

    Free
  • 2025 Veterans Day ceremony and Circle of Remembrance dedication

    Waltham Common 610 Main St, Waltham, MA, United States

    The City of Waltham Veterans Services and the Waltham Allied Veterans Council will honor all veterans at a ceremony to be held at the Circle of Remembrance on Waltham Common. […]

    Free
  • Prospect Hill Park—November volunteer day

    Prospect Hill Park 314 Totten Pond Road, Waltham, MA

    Winter is not here yet! Join us for our final volunteer event of the season. The ranger has requested assistance with planting trees and installing fences at the Prospect Hill Park plant nursery! It is a fun project and a great one to end the year. Be prepared for work in the woods: Wear closed […]

    Free