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Hiking trails & Routes
United States
Maryland
Montgomery County
Potomac

Billy Goat Trail and C&O Canal Towpath Loop

Moderate

4.8

(1911)

17,533

hikers

Billy Goat Trail and C&O Canal Towpath Loop

02:51

11.0km

60m

Hiking

Embark on a moderate 6.8-mile (11.0 km) hike along the Billy Goat Trail and C&O Canal Towpath Loop, a route that offers a diverse experience. You will navigate challenging rock scrambles on the Billy Goat Trail, where you can enjoy cliffside vistas of the Potomac River as it flows through Mather Gorge. The trail then transitions to the serene, flat C&O Canal Towpath, providing a different pace. This loop involves an elevation gain of 195 feet (59 metres) and typically takes around 2 hours and 50 minutes to complete. Expect to pass through heavily forested areas, offering a chance to spot wildlife and observe historical canal features.

Before you head out, always check the National Park Service website for current conditions and any potential closures, as parts of the Billy Goat Trail, especially Section A, can be affected by flooding or erosion. It is important to note that Section A is a one-way trail, and dogs are not allowed on this more challenging segment. To ensure you find parking and avoid large crowds, particularly on weekends, plan to arrive early in the day. This will help you have a more enjoyable and less congested hiking experience.

This trail offers a unique combination of rugged riverine landscape and a historical canal path, making it a standout in the Chesapeake and Ohio Canal National Historical Park. As you hike, you will encounter various historical canal features, such as locks, which tell the story of the region's past. The route's blend of terrain, from the demanding rock scrambles to the peaceful towpath, provides a varied physical and scenic journey. It is a great way to experience both the natural beauty of the Potomac River and the historical significance of the canal.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

Get Directions

1

1.64 km

Great Falls

Highlight • Waterfall

Enjoy easy access to the Great Falls, a popular destination for photographers, hikers, and expert kayakers. Though not exceptionally tall, the falls surge with force as the Potomac River carves through ancient, metamorphic rock.

Tip by

2

3.83 km

Widewater

Highlight • Lake

As you ride onto the wide canal bend, you’re met with serene water views—Widewater is a beautiful lake that serves as habitat for many bird and wildlife species. It’s an ideal spot to pause, do some birdwatching, and soak in the calm before continuing your journey along the Potomac and the Chesapeake & Ohio canal.

Tip by

4.42 km

Chesapeake and Ohio Canal

Lake

4

4.78 km

No bridge too far

Highlight • Trail

5

4.94 km

Not too bumpy or overcrowded, but do expect to find people and cyclists on the path!

Tip by

6

4.98 km

Lock 15 marks the beginning of the "Six Locks" series, which raises the canal 50 feet past Great Falls. Built from red sandstone boulders transported from Seneca, these locks differ from the other granite-built "Seven Locks." From Lock 15, hikers can enjoy beautiful views of the Potomac River.

Tip by

7

5.38 km

Great Falls Park on the C&O Trail

Highlight • Waterfall

Located at mile 14.3 on the C&O Canal Towpath in Potomac, Maryland, Great Falls Park is a must-visit highlight for hikers, cyclists, and history buffs alike. A short boardwalk leads to the Olmsted Island overlook, where the Potomac River dramatically crashes over jagged rocks—one of the most scenic views near D.C. For hikers, the popular Billy Goat Trail offers three segments, with Section A featuring challenging rock scrambles and breathtaking river views. The historic Great Falls Tavern, built in 1829, now serves as a visitor center and launch point for seasonal mule-drawn canal boat rides. The towpath itself is flat and easy to navigate, ideal for walking or biking. Amenities include restrooms, picnic spots, and interpretive exhibits. Parking is available at the visitor center (fee required), or you can park for free at nearby Swains Lock and walk or ride 2.5 miles to the falls.

Tip by

8

5.56 km

Great Falls has a scenic Horseshoe Bend where the river curves in a horseshoe shape around a rocky outcrop. It's a nice spot to stop for photos on the Chesapeake and Ohio Canal Trail.

Tip by

9

5.86 km

The Great Falls of the Potomac is a place with various rapids and small falls in the Potomac. The place marked here may only be entered on foot. Bicycles and dogs 😜 must stay outside.

Translated by Google •

Tip by

10

5.93 km

Great Falls Overlook

Highlight • Viewpoint

This is a spectacular waterfall on the Potomac River. Water gushes over a series of jagged rocks and flows through the Mather Gorge.

The falls are surrounded by an 800-acre park of the same name – a lovely place to go exploring! 15 miles (24 km) of trails run through the park.

Tip by

B

11.0 km

End point

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Way Types & Surfaces

Way Types

10.1 km

388 m

359 m

137 m

Surfaces

7.83 km

2.10 km

462 m

298 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Monday 18 May

34°C

17°C

18 %

Additional weather tips

Max wind speed: 12.0 km/h

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Frequently Asked Questions

What is the overall difficulty of the Billy Goat Trail and C&O Canal Towpath Loop?

The difficulty of this loop varies significantly depending on which section of the Billy Goat Trail you choose. Section A is considered technical and strenuous, involving significant rock scrambling and climbing. Section C is generally easier, with some rock outcroppings. The C&O Canal Towpath portion is consistently flat and easy, providing a leisurely return.

Where can I park for the Billy Goat Trail and C&O Canal Towpath Loop?

Parking is available at the Chesapeake & Ohio Canal National Historical Park. Arriving early, especially on weekends, is highly recommended to secure a spot due to the trail's popularity.

Is the Billy Goat Trail and C&O Canal Towpath Loop dog-friendly?

It depends on the section. Dogs are not permitted on Billy Goat Trail Section A due to its challenging nature. However, Billy Goat Trail Section C and the C&O Canal Towpath are generally dog-friendly, provided dogs are kept on a leash.

Are there any entrance fees or permits required for this trail?

Yes, there is an entrance fee to access the Chesapeake & Ohio Canal National Historical Park, which includes the Billy Goat Trail and C&O Canal Towpath. You can find current fee information on the National Park Service website.

What kind of scenery can I expect along the route?

You'll experience diverse scenery, including stunning views of the Potomac River, particularly as it funnels through Mather Gorge. Expect dramatic cliffside vistas, waterfalls, heavily forested sections, and historical elements like canal locks along the C&O Canal Towpath. The Virginia side of Great Falls also offers excellent views of the falls themselves.

What is the best time of year to hike this loop?

The trail is beautiful year-round, but spring offers vibrant wildflowers, and fall provides spectacular foliage. Summer can be hot and humid, while winter hikes offer a different, often quieter, experience. Always check for current conditions, as sections can close due to flooding or erosion.

Is this loop suitable for beginners or families?

The suitability depends on the chosen Billy Goat Trail section. Section A is not recommended for beginners or young children due to its strenuous rock scrambling. Section C is generally flatter and more accessible, making it more suitable for families and those seeking an easier hike. The C&O Canal Towpath is always suitable for all skill levels.

Does this loop connect with other trails?

Yes, the route incorporates sections of the Billy Goat Trail Section A and Billy Goat Trail Section C. It also runs alongside the MacArthur Boulevard Trail and is part of the longer ADT - Maryland - Seg 4 and the Chesapeake and Ohio Canal Towpath (Maryland).

How can I check for current trail conditions or closures?

It's crucial to check the National Park Service website for the Chesapeake & Ohio Canal National Historical Park before your visit. Sections of the Billy Goat Trail, especially Section A, can close due to flooding, erosion, or other safety concerns.

Are there any tips for navigating the more challenging sections or avoiding crowds?

For Billy Goat Trail Section A, be aware it is now a one-way trail to enhance safety and ease congestion. Arriving early in the morning, especially on weekends, is highly recommended to avoid crowds at the trailheads and on the more popular sections. Always wear proper footwear and carry plenty of water, particularly for Section A.

What should I bring for a hike on this loop?

For any section, bring plenty of water, especially during warmer months. Sturdy hiking shoes with good grip are essential, particularly for the rocky sections of the Billy Goat Trail. Sunscreen, a hat, and snacks are also recommended. For Section A, be prepared for significant 'hand and foot' climbing.

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Great Falls Overlook via Billy Goat Trail Section A

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