Highlight • Bridge
Cycling
5.0
(15)
Hiking
5.0
(2)
Gravel riding
5.0
(1)
The Catoctin Creek Aqueduct is a historic "water bridge" located in Frederick County, Maryland, spanning Catoctin Creek, a tributary of the Potomac River. Situated at an elevation of 78 meters, this remarkable structure once carried the Chesapeake and Ohio (C&O) Canal over the creek, allowing canal boats to continue their journey. It stands as a prominent landmark within the Chesapeake & Ohio Canal National Historical Park, showcasing 19th-century engineering.
Visitors are consistently drawn to the aqueduct's rich history and impressive restoration. Its distinctive design features three stone arches, with a unique elliptical arch flanked by two semicircular ones, all crafted from granite. Many appreciate learning about its original construction in the 1830s, its dramatic collapse in 1973, and the meticulous restoration completed in 2011, which painstakingly reassembled original stones. The scenic location along the C&O Canal towpath also offers picturesque viewpoints of the surrounding natural environment.
Before visiting, it's helpful to know that the aqueduct is located at Mile 51.5 on the C&O Canal towpath, east of Brunswick, Maryland. Access is typically via hiking or biking along the towpath, with the nearest access point being a half-mile walk or bike ride from Lock and Lockhouse 29. The terrain along the towpath is generally flat and well-maintained, making it accessible for various activity levels. Parking at Catoctin Creek Aqueduct bridge is available at nearby access points along the C&O Canal.
The Catoctin Creek Aqueduct is a fantastic destination for outdoor enthusiasts, offering opportunities for hiking, cycling, and trail running. Many find spring and fall to be ideal times to visit, with pleasant temperatures and vibrant foliage, though the towpath is accessible year-round. The site is family-friendly, providing an engaging historical experience combined with gentle outdoor activity. You can walk along the side of the aqueduct or cycle directly through its middle, experiencing this unique structure firsthand.
The experience of visiting the Catoctin Creek Aqueduct is often described as stepping back in time. Interpretive signs at the site provide detailed insights into its past and the complex restoration process, bringing the history to life. The juxtaposition of the historic aqueduct with the nearby modern railroad bridge also offers a fascinating glimpse into the evolution of transportation infrastructure in the region.
For those looking to explore the area, numerous routes are available for different activities and skill levels. Whether you're interested in a leisurely stroll, a family-friendly bike ride, or a longer trail run, you can find suitable options. Hikers and cyclists can discover a variety of routes along the C&O Canal towpath, making the Catoctin Creek Aqueduct a memorable stop on any adventure in the Chesapeake & Ohio Canal National Historical Park.
This Highlight is in a protected area
Please check local regulations for:
Tips
December 11, 2023
Hiking
July 7, 2024
Cycling

In the know? Log-in to add a tip for other adventurers!
Sign up for free
Nearby routes
Best routes near Catoctin Creek Aqueduct

5.0
(3)
63
riders
Embark on a truly epic touring cycling adventure with the Monocacy Aqueduct – Horseshoe Bend at Great Falls loop from Barnesville, a route that promises a rich tapestry of historical landmarks and breathtaking natural beauty. You'll pedal along the historic C&O Canal Towpath, where the impressive Monocacy Aqueduct stands as a testament to early engineering, often enveloped by a verdant canopy. Further along, the route plunges into the dramatic landscapes of Great Falls Park, offering stunning vistas of the Potomac River as it carves its way through Mather Gorge, culminating in the picturesque Horseshoe Bend. The terrain is a mix of hard-packed earth, crushed stone, and some paved sections, with challenging gravel paths and technical, rocky stretches within the park, making it a diverse and engaging ride.
This difficult 77.6-mile (124.9 km) loop, with its 1433 feet (437 metres) of elevation gain, is a full-day commitment, typically taking around 9 hours and 9 minutes to complete. An early start is crucial to maximize daylight, especially if you plan to explore the viewpoints at Great Falls. While parking is available in Barnesville, ensure your bike is suitable for varied surfaces, as some parts of the C&O Canal Towpath and Great Falls Park trails are unpaved and can be challenging for road tires. Always carry sufficient water and supplies for this extensive journey.
What truly sets this route apart is its unique blend of human ingenuity and raw natural power. The Monocacy Aqueduct, a marvel of 19th-century construction, offers a fascinating glimpse into the region's past, having narrowly escaped destruction during the Civil War. This historical context pairs beautifully with the powerful natural spectacle of the Great Falls of the Potomac, one of the most dramatic natural features in the Mid-Atlantic. The route provides an excellent opportunity to experience both the tranquil canal environment and the dynamic river landscape, making it one of the more popular routes for experienced cyclists seeking a comprehensive Maryland cycling experience.

46
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

30
riders
107km
08:10
270m
270m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Details
Informations
Elevation 80 m
Weather
Powered by Foreca
Today
Saturday 13 June
32°C
19°C
0 %
Additional weather tips
Max wind speed: 15.0 km/h
Most visited during
January
February
March
April
May
June
July
August
September
October
November
December
The aqueduct is located at Mile 51.5 on the C&O Canal towpath. The most common access point is a half-mile walk or bike ride from Lock and Lockhouse 29. Parking is available at various access points along the C&O Canal, and from there, you can follow the towpath to the aqueduct.
Yes, the C&O Canal towpath, which leads to and through the aqueduct, is generally flat and well-maintained. This makes it an excellent choice for beginner hikers, casual cyclists, and families looking for an easy outdoor experience. The terrain is not challenging, allowing visitors to focus on the scenery and history.
Yes, the Chesapeake & Ohio Canal National Historical Park, including the Catoctin Creek Aqueduct and the towpath, is generally dog-friendly. Dogs must be kept on a leash at all times, and owners are responsible for cleaning up after their pets. It's a great spot for a walk with your canine companion.
While the C&O Canal towpath is generally flat and made of crushed stone, its accessibility for all types of wheelchairs can vary depending on recent weather conditions and specific equipment. The aqueduct itself allows the towpath to run through its middle. Visitors using wheelchairs may find some sections manageable, but it's advisable to check current conditions with the National Park Service if you have specific accessibility concerns.
Parking is available at various access points along the C&O Canal towpath. The closest access point to the aqueduct is typically near Lock and Lockhouse 29. From these parking areas, visitors can then walk or bike a short distance along the towpath to reach the aqueduct. It's recommended to arrive earlier on busy days as spots can fill up.
Beyond the aqueduct itself, the area offers picturesque views of Catoctin Creek flowing beneath the structure and the surrounding natural environment of the Potomac River valley. You'll also see a nearby railroad bridge built by the B&O Railroad, offering a fascinating contrast of historical transportation infrastructure. The C&O Canal towpath itself provides scenic stretches for walking and cycling.
Yes, the C&O Canal towpath and the aqueduct are accessible year-round. While winter visits offer a different, often quieter, experience with starker landscapes, be prepared for colder temperatures and potentially icy or snowy conditions on the towpath. Always check local weather forecasts before heading out and dress in appropriate layers.
The time spent at the aqueduct can vary. If you're just stopping to admire the structure and read the interpretive signs, 15-30 minutes might suffice. However, many visitors combine their visit with a longer hike or bike ride along the C&O Canal towpath, which can extend your outing to several hours depending on your chosen route and pace.
The Catoctin Creek Aqueduct is located within the Chesapeake & Ohio Canal National Historical Park, which is primarily a natural and historical area. While there are no immediate amenities like cafes or pubs directly at the aqueduct, the nearby towns of Brunswick and Middletown offer various dining and accommodation options. It's a good idea to bring your own snacks and water for your visit.
The Catoctin Aqueduct is distinctive for its three stone arches: a unique elliptical arch in the center flanked by two semicircular arches. This design, particularly the elliptical arch, was structurally challenging and contributed to its eventual collapse in 1973. Its meticulous restoration in 2011 involved carefully reassembling original stones and incorporating structural improvements to reinforce the central arch, making it a testament to both 19th-century engineering ambition and modern preservation efforts.