Events
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How Old is That? A brief introduction to archaeological dating methods
Catonsville Branch Library 1100 Frederick Rd., Catonsville, MD, United StatesJoin Dr. Kyla Cools, Heritage Program Manager for Patapsco Heritage Greenway, as she talks about some of the ways in which archaeologists are able to date certain objects. Be introduced…
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Fall 2026 Biological Stream Monitor Training (using Macroinvertebrates)
Patapsco Valley State Park - Avalon Area 5120 South Street Shelter 105, Arbutus, MD 21227, Arbutus, MD, USThis is a field training to become certified to monitor streams according to Izaak Walton League/Save Our Streams protocols.Come learn how to monitor streams using the macroinvertebrates (mostly insects) that…
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PHG & CRTT Tree Maintenance & Invasive Removal: Maiden Choice Ln
Little Free Library - Short Line Trail Short Line Trail, Catonsville, MD 21228, Catonsville, MD, USJoin Patapsco Heritage Greenway and Catonsville Rails to Trails in cleaning up the trail and setting up our trees for winter!Come maintain the Short Line Trail with Patapsco Heritage Greenway…
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Native Plants at the Oella Entrance Garden
Lot-A 6 Oella Ave, Catonsville, MD 21043, Catonsville, MD, USJoin us for this FREE event at the Oella Entrance Garden to learn about native plants. Be sure to bring your energy & enthusiasm!Information for the EventLocated riverside, adjacent to…
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Friends of Oella Cemetery: Fall Kickoff Cleanup
Historic Oella Cemetery 520 Rest Avenue, Oella, MD 21228, Oella, MD, USJoin the Historic Oella Cemetery for their kickoff fall cleanup!Friends of Oella Cemetery is leading this event and could use some additional helping hands!What to BringTools: Feel free to bring…
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PHG & CRTT Tree Maintenance & Invasive Removal: Prospect Ave
133 S Prospect Ave 133 South Prospect Avenue, Catonsville, MD 21228, Catonsville, MD, USJoin Patapsco Heritage Greenway and Catonsville Rails to Trails in cleaning up the trail and setting up our trees for winter!Come maintain the Short Line Trail with Patapsco Heritage Greenway…
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Patapsco Heritage Greenway 2026 Annual Meeting
Elkridge Branch Library 6540 Washington Blvd, Eklridge, MD, United StatesPlease join us for our annual meeting in the Hockley Room at Howard County’s Elkridge Branch Library (6540 Washington Blvd, Elkridge, MD 21075) featuring guest speakers from Elkridge Heritage Society…
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PHG Festival del Río!
Patapsco Valley State Park - Avalon Area 5120 South Street, Arbutus, MD 21227, Arbutus, MD, USJoin Patapsco Heritage Greenway in celebrating Hispanic Heritage Month with a fun & educational day in Patapsco Valley State Park!Celebrate Hispanic Heritage Month and National Public Lands Day with Patapsco…
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PHG & CRTT Tree Maintenance & Invasive Removal: Shady Nook Court
205 Shady Nook Ct 205 Shady Nook Court, Catonsville, MD 21228, Catonsville, MD, USJoin Patapsco Heritage Greenway and Catonsville Rails to Trails in cleaning up the trail and setting up our trees for winter!Come maintain the Short Line Trail with Patapsco Heritage Greenway…
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An Evening in the Patapsco Valley
Elkridge Furnace Inn 5745 Furnace Ave, Elkridge, MD, United StatesJoin Patapsco Heritage Greenway for An Evening in the Patapsco Valley on Wednesday, October 7, 2026 at 6 PM. Enjoy an evening of food, drinks, and conversation at the award-winning…
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PHG Cleanup & Invasive Removal: Milbrook Elementary School
Milbrook Elementary School 4300 Crest Heights Road, Baltimore, MD 21215, Baltimore, MD, USJoin Patapsco Heritage Greenway in cleaning up trash and remove invasive species at MES in the Patapsco River watershed!Come clean up trash with Patapsco Heritage Greenway and improve the Patapsco…
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PHG Fall Family Day on the Trolley Trail
Lot A next to The Trolley Stop 6 Oella Ave, Ellicott City, MD 21043, Ellicott City, MD, USJoin 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…
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Friends of Oella Cemetery: Fall Wrap-Up Cleanup
Historic Oella Cemetery 520 Rest Avenue, Oella, MD 21228, Oella, MD, USJoin the Historic Oella Cemetery for their wrap-up cleanup event for the fall!Friends of Oella Cemetery is leading this event and could use some additional helping hands!What to BringTools: Feel…
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Getting Salty with Water Quality!
Howard County 3748 Old Columbia Pike, Ellicott City, MD 21043, Ellicott City, MD, USCome join us at this interactive event where we document local chloride levels in streams and learn about general water quality.Come join us at this interactive event where we document…
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PHG Cleanup: Lansdowne Middle School
Lansdowne Middle School 2400 Lansdowne Road, Halethorpe, MD 21227, Halethorpe, MD, USJoin Patapsco Heritage Greenway in cleaning up trash around Lansdowne Middle School/ Lansdowne Road in the Patapsco River watershed!Come clean up trash with Patapsco Heritage Greenway and improve the Patapsco…