Volunteering to help the park: A work crew installs a bench near Great Falls in 2016.
Supporting park projects: Catoctin Aqueduct after collapse in 1973
Supporting park projects: Catoctin Aqueduct after restoration effort in 2011
Exploring history and nature: Sideling Hill Creek Aqueduct as viewed from the Western Maryland Rail Trail.
Protecting the canal since 1954: The association opposes Georgetown University’s plan to build a large boathouse in the park
Protecting the canal since 1954: The association opposes Georgetown University’s plan to build a large boathouse in the park
Exploring history and nature: Hikers gather at Fifteen Mile Creek Aqueduct in 2018.
Protecting the canal since 1954: Justice Douglas and eight others pause during their famous hike, which publicized the canal in 1954
Exploring history and nature: Ranger provides interpretation for hikers at Seneca Stone Cutting Mill in 2020.
Exploring history and nature: Hikers marvel at a large specimen during a tree identification walk in 2012
Volunteering to help the park: Association volunteer attaches plaque to newly installed bench in 2018.
Exploring history and nature: Association members participate in the last day of the 2009 Thru Hike at Great Falls
Volunteering to help the park: Association member helps install an identification sign at Landers in 2011
Exploring history and nature: Hikers gather at Dam 5 in 2019.
Protecting the canal since 1954: Justice Douglas and others rally against replacing the canal with a highway.
Volunteering to help the park: Association members repaint picnic tables at Swains Lock
Volunteering to help the park: Association volunteers assemble picnic table in 2018.
Guard gate on the Chesapeake and Ohio Canal, where the canal was built in a former channel of the Potomac River beside the Great Falls, Montgomery County Maryland.
The area is very prone to flooding, and a lot of infrastructure had to be created to protect the canal here.
The covered bridge structure is the winch house, which held the mechanisms for dropping the gate in times of flood. A guard wall extends below this point to protect the canal.
Chesapeake and Ohio Canal at Lock 16, one of the Six Locks (locks 15 to 20), Montgomery County Maryland.
From the foot of Lock 18 to below Lock 15, the canal was built in a former channel of the Potomac River in the vicinity of the Great Falls. As such, it was very prone to flooding.
The 1837 lock house is built to the later specifications, two and a half stories.
The house sits high on the berm and is oriented in a way atypical of other lock houses.
This lock was restored after abandonment with structure to emulate the historic look where necessary.
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