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  • PHG Cleanup: Security Square Mall

    6901 Security Blvd 6901 Security Boulevard, Woodlawn, MD 21244, Woodlawn, MD, US

    Join Patapsco Heritage Greenway in cleaning up litter in the Patapsco watershed!Come clean up trash with Patapsco Heritage Greenway and improve the Patapsco River watershed! We will collect litter found in the parking area of Security Square Mall by the Security Dental Radiology. All supplies will be provided and registrants will receive an email with…

  • Explore Patapsco 2026: Family Fun Run

    Patapsco Valley State Park - Pickall Area 8125 Johnnycake Road, Windsor Mill, MD 21244, Windsor Mill, MD, US

    Join Patapsco Heritage Greenway & Friends of Patapsco Valley State Park in this year's Family Fun Run! As part of PHG's Explore Patapsco 2026 series, come out to the Pickall Area of Patapsco Valley State Park at 10am on Saturday May 16th to race in our Family Fun Run, followed by fun crafts and food!…

  • PHG & Senior Rangers Tree Maintenance & Invasive Removal

    Patapsco Valley State Park - Hollofield Area 8020 Baltimore National Pike, Ellicott City, MD 21043, Ellicott City, MD, US

    Join Patapsco Heritage Greenway and Senior Rangers in removing invasive plants and setting up our trees for summer in the Hollofield Area!Come work on our natural spaces in the Hollofield Area of the park with Patapsco Heritage Greenway! We will maintain our 50 trees at this site and remove surrounding invasive plants. All supplies will…

  • Beyond the Trail Day: Celebrate National Trails Day in Patapsco!

    Patapsco Valley State Park- McKeldin Area 11676 Marriottsville Road, Eldersburg, MD 21104, Eldersburg, MD, US

    Join PHG, Baltimore & Howard County Bird Clubs, Nature Worx, and more in a morning of hikes & environmental exploration! All ages welcome!As a part of the Explore Patapsco 2026 recreation & stewardship series, Patapsco Heritage Greenway & Friends of Patapsco Valley State Park are celebrating National Trails Day with a morning of hikes and…

  • Friends of Oella Cemetery: June Cleanup

    Historic Oella Cemetery 520 Rest Avenue, Oella, MD 21228, Oella, MD, US

    Join the Historic Oella Cemetery for their June cleanup event!Friends of Oella Cemetery is leading this event and could use some additional helping hands!What to BringTools: Feel free to bring your own tools; however, you are responsible for your tools AND your safety. There will be tools, work gloves, and safety vests provided. Please refrain…

  • PHG Cleanup: Carlson Lane Milford Mill

    8221 Carlson Ln 8221 Carlson Lane, Milford Mill, MD 21244, Milford Mill, MD, US

    Join Patapsco Heritage Greenway in cleaning up litter in the Patapsco watershed!Come clean up trash with Patapsco Heritage Greenway and improve the Patapsco River watershed! We will collect litter found along Carlson Lane in Milford Mill within the Ben's Run watershed. All supplies will be provided and registrants will receive an email with information prior…

  • 3rd Annual PHG-Nike Missile Site BA-79 Open House

    Nike Missile Site BA-79 3085 Hernwood Road, Woodstock, MD 21163, Woodstock, MD, US

    Join PHG at the Nike Missile Site BA-79 for our Third Annual Collaborative Open House! Guided tours (above and below-ground in magazines) will be available throughout the day. A variety of local and regional groups will have tables with information about their programs and events located inside the Civil Air Patrol Headquarter building. Join us…

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