The PaSNAPsco Photography Exhibit will be on display at the Catonsville Clubhouse from August 25-September 30, 2026. This exhibit will showcase 20 winning and honorable mention photographs from the 2025 PaSNAPsco Contest, all featuring the scenic Patapsco Valley. We invite you to join us for a Community Reception on Friday, August 28 as we share…

Join us at Backwater Books in Ellicott City on August 29th at 11am as Patapsco Heritage Greenway welcomes home photographer Riley Goodman for an artist talk and book signing. Riley will discuss his artistic process along with his photobook, From Yonder Wooded Hill: a visual narrative that juxtaposes Riley’s own heritage and that of his ancestors to show…

Join Patapsco Heritage Greenway for a fun & relaxed evening in the Pickall Area of Patapsco Valley State Park! Rain storms won't get us down! Join Patapsco Heritage Greenway for the rescheduled FAMILY FIELD NIGHT, part of our Explore Patapsco 2026 series! We are hosting a fun & relaxed family evening out in the Pickall…

Join 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 to some of the basic frameworks and concepts to dating archaeological sites and materials, and learn about how some of these dating methods have been…

This 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 live in the stream. This biological assessment training uses Izaak Walton League protocols and identifies organisms down to the taxonomic order level.We will collect, sort,…

Join 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 & Catonsville Rails to Trails! We will maintain our 40 trees at this site and remove surrounding invasive plants along the trail. All supplies will…

Join 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 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…

Join 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 & Catonsville Rails to Trails! We will maintain our 50 trees at this site and remove surrounding invasive plants along the trail. All supplies will…

Please 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 highlighting projects making an impact in the Patapsco Valley Heritage Area and across the Patapsco watershed. Come and learn more about PHG's programs and initiatives…

Join 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 Heritage Greenway in our third annual Festival del Río Patapsco! As part of our Explore Patapsco 2026 series, we are hosting fun & educational activities…

Join 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 & Catonsville Rails to Trails! We will maintain our 50 trees at this site and remove surrounding invasive plants along the trail. All supplies will…

Join 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 River! We will collect litter found around the campus of Milbrook Elementary School & remove invasive species in preparation for a future tree planting event.…

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 fall nature project to take home, and…

Join 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 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…

Come 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 local chloride levels in streams and contribute to a larger regional Snapshot of salt levels!Getting Salty with Water QualityJoin us at the Howard County-based Location…

Join 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 River! We will collect litter found around the campus of Lansdowne Middle School & Lansdowne Road. All supplies will be provided and registrants will receive…