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.
The towpath, campground and boat ramp are now open to the publicThe McCoys Ferry Road Tunnel (mile 110.4) has reopened!
The towpath, campground, and boat ramp at McCoys Ferry are all open to the public.
For more information on the project and park closures, visit our project webpage at go.nps.gov/threetunnels
NPS Photo of the historic McCoys Ferry Tunnel
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This content isn't available right now
When this happens, it's usually because the owner only shared it with a small group of people, changed who can see it or it's been deleted.