Current Activities

PHG & Howard EcoWorks Event: MLK Watershed Makeover

Hollifield Station Elementary School 8701 Stonehouse Dr, Ellicott City, MD, United States

REGISTER HERE Community members will have the opportunity to provide service to our local environment & neighborhoods through beautification and improvement efforts. Our primary goals will be to: Remove trash and debris Remove invasive plant species Conduct Tree Maintenance These activities are recommended for ages 8 and up. You may bring small children, but they…

PHG & PVSP Invasive Removal: Daniels Dam

Daniels Area, Patapsco Valley State Park 2090 Daniels Road, Ellicott City, MD 21043, Ellicott City, MD, US

Join Patapsco Heritage Greenway to remove invasive plant species around Daniels Dam.Join Patapsco Heritage Greenway to remove invasive plant species around Daniels Dam.W hat to Bring for our EventLayered Long Clothing: The weather is ever changing so be prepared for it to be sunny, cloudy, rainy, warm, cold, or a combination of any of these.…

PHG Cleanup & Invasive Removal: Caldron Crafts

Caldron Crafts 6611 Baltimore National Pike, Catonsville, MD 21228, Catonsville, MD, US

Join Patapsco Heritage Greenway to remove litter and invasive plant species around the Miller Branch.Join Patapsco Heritage Greenway to remove litter and invasive plant species around the Miller Branch.W hat to Bring for our EventLayered Long Clothing: The weather is ever changing so be prepared for it to be sunny, cloudy, rainy, warm, cold, or…

PHG Cleanup and Invasive Removal: Soapstone Trail and Park & Ride Lot

Southwest Park and Ride 1198 S Rolling Rd, Catonsville, MD 21228, Catonsville, MD, US

Join Patapsco Heritage Greenway to Clean Up the Southwest Area (195) Park and Ride and Trail Head for Soapstone Branch.Join Patapsco Heritage Greenway to Clean Up the Southwest Area (195) Park and Ride and Trail Head for Soapstone Branch.W hat to Bring for our EventLayered Long Clothing: The weather is ever changing so be prepared…

PHG Cleanup and Invasive Removal: Goals Baltimore, Inc.

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

Join Patapsco Heritage Greenway to come out and help us clean Herbert Run, a tributary of the Patapsco River, in Catonsville!Come out and help us clean Herbert Run, a tributary of the Patapsco River, in Catonsville! This stream runs near and under many busy roads and needs our help. The exact meet-up location and parking…

“Held the Bridge to the Last”: The Baltimore & Ohio Railroad and the Battle of Monocacy

B&O Ellicott City Station Museum 3711 Maryland Ave, Ellicott City, MD, United States

2025 kicks off our Seventh Annual Patapsco Days Celebration! Patapsco Days is a roughly month-long thematic event where we host programs about the history, environment, and sociopolitical aspects of the Patapsco Valley Heritage Area (PVHA). This year, our theme is “Advocacy & Action”: Exploring how people, places, and industries are all vital to pursuing justice…

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PHG Education Workshop: Vernal Pool Guided Hike

Lot A 1233 Oella Ave, Catonsville, MD 21043, Catonsville, MD, US

Join Patapsco Heritage Greenway to learn about the importance of Vernal Pools and find some along the Trolley Trail.W hat to Bring for our EventLayered Long Clothing: The weather is ever changing so be prepared for it to be sunny, cloudy, rainy, warm, cold, or a combination of any of these. Long pants and sleeves…

PHG Cleanup & Invasive Removal: Normandy Shopping Center

Normandy Wine & Spirits. https://goo.gl/maps/BpGGLGRCEMfXTV296 8492 Baltimore National Pike #Unit #100, Ellicott City, MD 21043, Ellicott City, MD, US

Join Patapsco Heritage Greenway in cleaning up the behind the Normandy Shopping Center along the Sucker Branch.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 and sleeves are…

PHG Education Workshop: Vernal Pool Guided Hike

David w Force Park 2750 Turf Valley Road, Ellicott City, MD 21043, Ellicott City, MD, US

Join Patapsco Heritage Greenway to learn about the importance of Vernal Pools and find one in David Force ParkW hat to Bring for our EventLayered Long Clothing: The weather is ever changing so be prepared for it to be sunny, cloudy, rainy, warm, cold, or a combination of any of these. Long pants and sleeves…

PHG Invasive Removal: Serenity Ridge

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

Join Patapsco Heritage Greenway in helping clean the Ben's Run Watershed by removing invasive plant species from Serenity Ridge.What to Bring for our EventOwn Tools: Feel free to bring your chainsaw, shovel, machete, loppers, etc. YOU are responsible for your tools AND safety. Only YOU can use your tools!Layered Long Clothing: The weather is ever…

E Pluribus Unum – “Out of many, one.”

Miller Branch - Howard County Library System 9421 Frederick Road, Ellicott City, MD 21042, Ellicott City, MD, US

2025 kicks off our Seventh Annual Patapsco Days Celebration! Patapsco Days is a roughly month-long thematic event where we host programs about the history, environment, and sociopolitical aspects of the Patapsco Valley Heritage Area (PVHA). This year, our theme is “Advocacy & Action”: Exploring how people, places, and industries are all vital to pursuing justice…

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PHG Tree Maintenance: Short Line Trail

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

Join PHG at the Short Line Trail off Maiden Choice Lane for a agroforestry tree maintenance.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 and sleeves are your…

PHG Education Event: PVSP Avalon

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

PRIVATE EVENT Join PHG at Shelter 104 as we learn about Water Quality Monitoring and Agroforestry in our PVSP Food Forest W hat to Bring for our Event Layered 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…

PHG Tree Maintenance: Serenity Ridge

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 for a Tree Maintenance Event!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 and sleeves are your friends when it comes…

PHG & Conveyor Handling Company: Soccer Dome Stream Cleanup

Soccer Dome 7330 Montevideo Road, Jessup, MD 20794, Jessup, MD, US

PRIVATE EVENT Join Patapsco Heritage Greenway and Conveyor Handling Company for a trash cleanup at the Soccer Dome in Jessup, MD! Come out with coworkers and help us clean up a tributary of the Patapsco River in Jessup! The stream and surrounding area run near busy roads and a popular sports facility, and they need…

PHG & HCC Tree Maintenance: PVSP Hollofield

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

Join Patapsco Heritage Greenway and Howard Community College for a Tree Maintenance Event in Patapsco Valley State Park!Join PHG and HCC to maintain our trees at the Hollofield Area of Patapsco Valley State Park!What to Bring for our EventLayered Long Clothing: The weather is ever changing in spring so be prepared for it to be…

PHG Cleanup: Lansdowne Middle School (LMS)

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

Join Patapsco Heritage Greenway to cleanup Lansdowne Middle School as a part of the Patapsco River Watershed.Join Patapsco Heritage Greenway to cleanup Lansdowne Middle School as a part of the Patapsco River Watershed. W hat to Bring for our EventLayered Long Clothing: The weather is ever changing so be prepared for it to be sunny,…

PHG Tree Planting: PVSP Avalon (UMD Alumni of Howard County)

Patapsco Valley State Park - Avalon Area 5120 South St, Halethorpe, MD 21227, Halethorpe, MD, US

PRIVATE EVENT Join Patapsco Heritage Greenway at PVSP Avalon for a Tree Maintenance Event! What to Bring for our Event: Layered Long Clothing: The weather is fickle in spring so be prepared for it to be sunny, cloudy, rainy, warm, cold, or a combination of any of these. Long pants and sleeves are your friends…

PHG Cleanup & Invasive Removal: Historic Oella Cemetery

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

Join us in helping clean and take care of the Historic Oella Cemetery!What to Bring for our EventOwn Tools: Feel free to bring your chainsaw, shovel, machete, loppers, etc. YOU are responsible for your tools AND safety. Only YOU can use your tools!Layered Long Clothing: The weather is ever changing in spring so be prepared…

PHG Cleanup: Deep Run

The Soccer Dome 7330 Montevideo Rd, Jessup, MD 20794, Jessup, MD, US

Join PHG for a stream cleanup of part of Deep Run in Elkridge, MD. This tributary flows into the Patapsco River.Join PHG for a stream cleanup of Deep Run near Elkridge, MD. This tributary flows into the Patapsco River. What to Bring for our EventLayered Long Clothing: Fall weather is fickle as we know, so…

PHG Family Day on the Trolley Trail

Lot A 1233 Oella Avenue, 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 starting at Lot A in Oella, MD. Learn about the Patapsco Valley through hands-on family activities, including finding and identifying stream macroinvertebrates, creating a…

PHG Cleanup & Invasive Removal: Howard Crossing Apartments

Howard Crossing Apartments 8722 Town and Country Blvd # 4, Ellicott City, MD 21043, Ellicott City, MD, US

Join Patapsco Heritage Greenway for a cleanup event at Howard Crossing Apartments along the Sucker BranchWhat 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 and sleeves are your…

PHG Cleanup & Invasive Removal: Historic Oella Cemetery

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

Join us in helping clean and take care of the Historic Oella Cemetery!What to Bring for our EventOwn Tools: Feel free to bring your chainsaw, shovel, machete, loppers, etc. YOU are responsible for your tools AND safety. Only YOU can use your tools!Layered Long Clothing: The weather is ever changing in spring so be prepared…