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Part of the 184.5 mile towpath adjacent to the C&O canal, this section features some well preserved locks and features.

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Out and Back

397' 121 m


368' 112 m


84' 26 m


84' 26 m



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Max Grade (3°)

Dogs Leashed

Features Historical Significance · River/Creek

Family Friendly Wide trail, mostly crushed gravel that is well packed. Some porta-johns are located near the start and adjacent to some of the canal houses operated by the trust.


These 2+ miles on the Chesapeake and Ohio Canal Towpath are an easy hike with a handful of notable features including bridges, locks, lock houses, and of course is adjacent to the Potomac River providing frequent nice vistas across the water.

Need to Know

Parking at Dam #5 has a rough steep entrance.


If you intend to use the parking lot at the start and do not have a vehicle that excels at offroading, I would advise stopping to assess the steep rutted hill so you can choose where you'll bottom out on the way in. I watched a minivan make it out of the parking lot on the third attempt, so perhaps I'm being overly cautious!

Across the bridge from the trailhead is dam #5 behind which sits the little slack water in which boats would navigate to shorten the amount of canal which needed to be cut. The C&O trail continues south across the bridge and north on the same side of the canal as the parking lot.

Heading north the trail is wide and regular, the Potomac glimmers between the trees with the occasional vista opening up.

The first half a mile is covered and easy, the most interesting section of the trail IMO is just before lock 45 in the little slack water where the trail become paved concrete that wraps alongside a cliff with no handrail between you and the Potomac several feet below.

Lock 45 is just down the trail but rather overgrown and less interesting than lock 46 around the bend. Lock 46 features a lock house and large ruins of an old bridge that spanned the flume and canal. There are plenty of places to sit in the shade or lie down in the sun.

The trail continues almost a mile until 4 Locks begins with lock 47 and in a staccato fashion 48, 49 and 50 follow suit. There is a lot to observe at these sites and each lock has its own unique features. I particularly love the road that goes under the canal between lock 48 and 49!


Shared By:

Anthony Lambruschi

Trail Ratings

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  4.0 from 1 vote
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in Maryland


10 Views Last Month
382 Since Aug 3, 2020
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Very easy trail the majority of the way. I saw a few road bikes that werent struggling at all.
Aug 3, 2020 near William…, MD
Dam 5 offers some interesting scenery along the Potomac River.
Jan 7, 2017 near William…, MD
Nice vista looking across the potomac
Aug 3, 2020 near William…, MD
Lock 49
Aug 3, 2020 near William…, MD
Checking out the spillway of Dam #5 just across the bridge from the start of this section.
Aug 3, 2020 near William…, MD
One half of an old bridge to cross the lock. The arch was above a flume where the excess water bypassed the lock.
Aug 3, 2020 near William…, MD



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Oct 12, 2022
Daniel Lahoff
Oct 23, 2021
Pat Toner

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