Highlight • Bridge
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The Antietam Aqueduct is a remarkable historic stone masonry bridge located in Washington County, Maryland, carrying the Chesapeake & Ohio (C&O) Canal over Antietam Creek. Situated at an elevation of approximately 71 meters, this engineering marvel is a key feature of the Chesapeake and Ohio Canal National Historical Park, near the historic town of Sharpsburg and the confluence of the Potomac River. It stands as a testament to 19th-century construction, designed to allow canal boats to cross the creek seamlessly.
…This Highlight is in a protected area
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Tips
March 20, 2025
Cycling
April 23, 2025
Hiking
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Nearby routes
Best routes near Antietam Aqueduct
4
riders
44.1km
02:05
400m
400m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
7
riders
25.6km
01:18
200m
200m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
5
riders
46.7km
02:35
570m
570m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
Details
Informations
Elevation 70 m
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Friday 27 March
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Max wind speed: 15.0 km/h
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The C&O Canal towpath, which runs through the Antietam Aqueduct, is generally flat and well-maintained, making it suitable for most visitors. It's often considered an intermediate difficulty due to its length rather than challenging terrain. The surface is typically crushed stone or dirt, ideal for walking, running, and cycling. While the aqueduct itself is level, some connecting trails or access points might have slight inclines.
Beyond the aqueduct itself, which offers impressive views of Antietam Creek flowing beneath, visitors can enjoy the scenic confluence of the Potomac River and Antietam Creek nearby. The surrounding Chesapeake and Ohio Canal National Historical Park provides picturesque river views and opportunities to observe local wildlife. The historic Antietam Battlefield is also a significant landmark in close proximity.
Parking is typically available at various access points along the C&O Canal towpath near the aqueduct. These are usually small, unpaved lots managed by the National Park Service. Specific parking areas can be found by searching for 'Antietam Aqueduct parking' on mapping services. Public transport access to this somewhat rural location is limited; most visitors arrive by private vehicle.
While the intro suggests spring, summer, and fall, winter hiking is possible at the Antietam Aqueduct. The towpath remains accessible, but conditions can vary. Expect colder temperatures, and potentially snow or ice, especially after winter storms. The aqueduct itself can be quite scenic with a dusting of snow. Always check local weather forecasts and trail conditions before heading out in winter.
Yes, the trails along the C&O Canal towpath, including the section around the Antietam Aqueduct, are generally dog-friendly. Dogs must be kept on a leash at all times, and owners are responsible for cleaning up after their pets. This makes it a great destination for a walk or run with your canine companion.
The Antietam Aqueduct is located in a historical park setting, so immediate amenities are limited. The nearby town of Sharpsburg, Maryland, offers some local dining options and potentially small inns or bed-and-breakfasts. For a wider selection of cafes, pubs, and accommodation, you would need to venture to larger towns in Washington County, such as Hagerstown, which is a short drive away.
The Antietam Aqueduct is located at Mile 69.4 of the C&O Canal towpath, which stretches for 184.5 miles. Many visitors choose to do out-and-back hikes or bike rides from nearby access points, varying in length from a few miles to much longer excursions. For a circular walk, you might combine sections of the towpath with local roads or other trails, though dedicated circular routes directly from the aqueduct are less common and may require more planning.
The C&O Canal towpath itself is generally flat and wide, making it more accessible than many natural trails. However, the surface is crushed stone or dirt, which can be challenging for some wheelchairs, especially after rain. Access points to the towpath may also vary in their accessibility. It's advisable to check specific access point conditions with the National Park Service if wheelchair accessibility is a primary concern.
The Antietam Aqueduct is often cited as one of the best-preserved of the 11 or 12 aqueducts along the C&O Canal. Its three elliptical arches and historical significance, including its role during the Civil War, make it a particularly notable stop. While all aqueducts are engineering marvels, Antietam stands out for its intact structure and the scenic beauty of its location over Antietam Creek, offering a unique blend of history and natural appeal compared to other sections of the canal.
While the aqueduct is a popular spot, especially on weekends during spring, summer, and fall, you can often avoid the largest crowds by visiting early in the morning or later in the afternoon, closer to sunset. Weekdays are generally less busy than weekends. These times also often offer the best light for photography and a more peaceful experience.
The Antietam Aqueduct played a vital role in the C&O Canal's operation until 1924. It is particularly known for sustaining significant damage during the Civil War in July 1864, when Confederate troops under General Jubal Early's command damaged its masonry to disrupt Union supply lines. Despite this, it was repaired and navigation resumed within months, showcasing its strategic importance and resilience.