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  • PHG Cleanup: Lansdowne Middle School

    Lansdowne Middle School 2400 Lansdowne Road, Halethorpe, MD 21227, Halethorpe, MD, US

    Join Patapsco Heritage Greenway in cleaning up trash around Lansdowne Middle School in the Patapsco River watershed!Come clean up trash with Patapsco Heritage Greenway and improve the Patapsco River! We will collect litter found around the campus of Lansdowne Middle School. All supplies will be provided and registrants will receive an email with information prior…

  • Patapsco Days – The Past, Present and Future of Historic Blandair

    East Columbia Branch - Howard County Library System 6600 Cradlerock Way, Columbia, MD, United States

    Patapsco Days 2026 Join PHG and the Howard County Dept. of Recreation and Parks for our 8th annual Patapsco Days celebration to learn about the history and current research being conducted at Blandair. 2026 kicks off our Eighth Annual Patapsco Days Celebration! Patapsco Days is a month-long thematic event where we host programs about the…

  • Patapsco Days – Significance of Place: The Historic Ellicott City Jail

    Museum of Howard County History 8328 Court Avenue, Ellicott City, MD 21043, Ellicott City, MD, US

    Patapsco Days 2026 Join PHG and Preservation Maryland in exploring stories of the past, present, and future of the Historic Ellicott City Jail. 2026 kicks off our Eighth Annual Patapsco Days Celebration! Patapsco Days is a month-long thematic event where we host programs about the history, environment, and sociopolitical aspects of the Patapsco Valley Heritage…

  • PHG & Serenity Ridge Invasive Removal

    Serenity Ridge Natural Burial Cemetery and Arboretum 2406 Ridge Rd, Windsor Mill, MD 21244, Windsor Mill, MD, US

    Join Patapsco Heritage Greenway at Serenity Ridge Natural Burial Cemetery & Arboretum in cleaning up their trails!Come protect our natural spaces with Patapsco Heritage Greenway and improve the Patapsco River watershed! We will remove invasive plants around the land and trails of Serenity Ridge Natural Burial Cemetery & Arboretum. An optional hike to explore the…

  • PHG & CRTT Tree Maintenance & Invasive Removal

    Little Free Library - Short Line Trail Short Line Trail, Catonsville, MD 21228, Catonsville, MD, US

    Join Patapsco Heritage Greenway and Catonsville Rails to Trails in cleaning up the trail and setting up our trees for summer!Come maintain the Short Line Trail with Patapsco Heritage Greenway & Catonsville Rails to Trails! We will maintain our 40 trees at this site and remove surrounding invasive plants along the trail. All supplies will…

  • PHG Education Workshop: Vernal Pool Guided Hike

    Macgills Basketball Court 10016 Shaker Drive, Columbia, MD 21046, Columbia, MD, US

    Join Patapsco Heritage Greenway to learn about the importance of Vernal Pools and find one along the Patuxent Branch Trail!What to Bring for our EventLayered Long Clothing: The weather is ever changing in spring so be prepared for it to be sunny, cloudy, rainy, warm, cold, or a combination of any of these. Long pants…

  • PHG Cleanup: Lansdowne Middle School

    Lansdowne Middle School 2400 Lansdowne Road, Halethorpe, MD 21227, Halethorpe, MD, US

    Join Patapsco Heritage Greenway in cleaning up trash around Lansdowne Middle School in the Patapsco River watershed!Come clean up trash with Patapsco Heritage Greenway and improve the Patapsco River! We will collect litter found around the campus of Lansdowne Middle School. All supplies will be provided and registrants will receive an email with information prior…

  • Friends of Oella Cemetery: April Cleanup

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

    Join the Historic Oella Cemetery for their April 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 & Tree Maintenance: Short Line Trail

    Little Free Library - Short Line Trail Short Line Trail, Catonsville, MD 21228, Catonsville, MD, US

    Join Patapsco Heritage Greenway in cleaning up trash and maintaining some of our trees along the Short Line Trail!Come both clean up trash & help maintain 50 of our trees with Patapsco Heritage Greenway, improving the Patapsco River watershed! We will meet at the Maiden Choice Lane entrance of the Short Line Trail (at Lily…

  • PHG Cleanup & Invasive Removal: Goals Baltimore

    GOALS Baltimore, Inc. 6159 Edmondson Avenue, Catonsville, MD 21228, Catonsville, MD, US

    Join Patapsco Heritage Greenway in cleaning up trash & clearing invasive plants in the Patapsco watershed!Come clean up trash with Patapsco Heritage Greenway and improve the Patapsco River watershed! We will collect litter and remove invasive plants found in the parking area of GOALS Baltimore. All supplies will be provided and registrants will receive an…

  • PHG & CRTT Tree Maintenance & Invasive Removal

    Short Line Trail 205 Shady Nook Court, Catonsville, MD 21228, Catonsville, MD, US

    Join Patapsco Heritage Greenway and Catonsville Rails to Trails in cleaning up the trail and setting up our trees for summer!Come maintain the Short Line Trail with Patapsco Heritage Greenway & Catonsville Rails to Trails! We will maintain our 50 trees at this site and remove surrounding invasive plants along the trail. All supplies will…

  • PHG Spring Family Day on the Trolley Trail

    Lot A next to The Trolley Stop 6 Oella Ave, Ellicott City, MD 21043, Ellicott City, MD, US

    Join PHG to learn about the Patapsco River Valley through hands-on family activities including crafts, scavenger hunts, and fun bug finds!Join Patapsco Heritage Greenway for Family Day on the Trolley Trail! Learn about the Patapsco Valley through hands-on family activities, including finding and identifying stream macroinvertebrates, creating a spring nature project to take home, and…

  • Friends of Oella Cemetery: May Cleanup

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

    Join the Historic Oella Cemetery for their May 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 Tree Maintenance: Milford Mill United Methodist Church

    Milford Mill United Methodist Church 915 Milford Mill Road, Pikesville, MD 21208, Pikesville, MD, US

    Join Patapsco Heritage Greenway setting up our trees for summer!Come maintain our trees with Patapsco Heritage Greenway! We will maintain our 13 trees at this site and help with other campus cleaning tasks around the church grounds. All supplies will be provided and registrants will receive an email with information prior to the event.What to…

  • 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…

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