4.5
(2)
168
riders
14
rides
Gravel biking around Garrett Park, Maryland, offers access to a network of trails primarily along the C&O Canal Towpath, Rock Creek Park, and the Capital Crescent Trail. The landscape features mixed surfaces, including unpaved paths, tree-lined sections, and riverfront routes. This area provides a blend of natural escapes and historic landmarks, with routes often following waterways and through suburban green spaces. The terrain includes dense woodlands and varied surfaces suitable for gravel biking.
Last updated: June 30, 2026
27
riders
45.1km
02:59
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
19
riders
34.3km
02:25
210m
210m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(1)
14
riders
142km
08:15
530m
530m
Embark on a truly diverse gravel biking adventure with the U.S. Capitol – Horseshoe Bend at Great Falls loop from Rockville. This difficult 88.2-mile (141.9 km) route guides you along the serene, tree-lined C&O Canal Towpath, past historic locks, and into the dramatic landscape of Great Falls Park, where the Potomac River carves stunning gorges. You'll encounter varied surfaces, from crushed stone to dirt and roots, offering a true gravel experience.
Prepare for a substantial ride, as this loop involves 1734 feet (529 metres) of elevation gain and an estimated duration of 8 hours and 15 minutes. Accessing the trail from Rockville, you'll want to ensure your bike is equipped for diverse terrain, as sections can become muddy after rain. Be aware that Great Falls Park may have an entrance fee, so plan accordingly for this full-day excursion.
What makes this route truly stand out is its blend of historical significance and iconic natural beauty. The C&O Canal is a living historical artifact, while the awe-inspiring Great Falls offers a natural spectacle rarely found so close to a major metropolitan area. This diverse experience, ideal for gravel bikes, combines riverine landscapes, dense forests, and historical remnants, making it a unique journey for experienced riders.
8
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
20
riders
56.8km
03:24
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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.
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This towpath is as much about the journey as the destination. Cruise past historic locks, aqueducts, and shady woodlands along a trail with gentle grades and rich history. Pause at scenic river overlooks or old lockhouses for a quick rest.
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In the visitor center there is a (free) museum with the history of Washington. There are also 2 small souvenir shops that can be visited without a ticket. A free ticket is required for a tour of the Capitol. Please note that no food or liquids are allowed during the visit. To enter the visitor center you must go through the security check.
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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.
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Lock 21, aka Swains Lock, is a lock house and campsite. It was built in the 1830s and transported items such as grain and coal between Georgetown and Cumberland. It was named after the Swain family and John Swain, who helped build the canal, and Jesse Swain, the lockkeeper. The family lived here until 2006.
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Lock 22, aka Pennyfield Lock, was built between 1829 and 1831, and the name came from the misspelling of the Pennifield family name. It has been restored and offers overnight stays to recreate the rustic feeling from that period.
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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.
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The gravel bike trails around Garrett Park primarily feature mixed surfaces, including unpaved paths, tree-lined sections, and riverfront routes. You'll find a blend of natural escapes and historic landmarks, with routes often following waterways and through suburban green spaces. The C&O Canal Towpath and sections of Rock Creek Park are prominent examples of these varied surfaces.
While the guide focuses on moderate to difficult routes, the C&O Canal Towpath, which is a key feature of many routes in the area, is generally flat and well-maintained, making certain sections suitable for families. For example, the Crossing Over the C&O Canal – Potomac River loop from The Clara Barton House is a moderate 24.1 km route that could be adapted for a family outing.
Many routes offer views of the Potomac River, especially those along the C&O Canal. You can also explore natural areas like Rock Creek Park, which features the Rock Creek itself. For specific points of interest, the Horseshoe Bend at Great Falls – Crossing Over the C&O Canal loop from Bethesda offers views of Great Falls.
Yes, several routes are designed as loops. A popular option is the Horseshoe Bend at Great Falls – Crossing Over the C&O Canal loop from Bethesda, which is a 73.8 km difficult route. Another is the Horseshoe Bend at Great Falls – Pennyfield Lock loop from Cabin John, a moderate 50.5 km ride.
Spring and fall generally offer the most pleasant conditions for gravel biking around Garrett Park, with milder temperatures and beautiful foliage. Summers can be hot and humid, while winters may bring cold temperatures and potential snow or ice, especially on unpaved sections. Always check local weather conditions before heading out.
Garrett Park itself has a MARC train station, which can be useful for accessing the area. For specific trailheads like the C&O Canal Towpath or Rock Creek Park, you would typically need to plan your route to connect from public transport hubs, or consider using a bike rack on a bus or train where permitted. Parking is often available near popular access points.
Parking is generally available at various access points along the C&O Canal Towpath and within Rock Creek Park. Specific parking details would depend on your chosen starting point for a route. For example, if starting a route that incorporates the C&O Canal, look for parking near locks or visitor centers along the canal.
The routes in this area range from moderate to difficult. There are 8 moderate routes and 5 difficult routes listed in the guide. For instance, the Beach Drive in Rock Creek Park – Horseshoe Bend at Great Falls loop from Rockville is considered a difficult 85.3 km path, while the Horseshoe Bend at Great Falls – Great Falls loop from Potomac is a moderate 35.9 km ride.
While the primary water feature is the Potomac River alongside the C&O Canal, the broader region around Garrett Park also includes several lakes. These include Lake Needwood Southeast Shore, To Lake Bernard Frank, and Pine Lake, which are accessible in nearby areas and can be incorporated into longer rides or explored separately.
The gravel biking routes around Garrett Park are highly rated by the komoot community, with an average score of 5.0 stars. Riders often praise the varied terrain, the scenic riverfront paths, and the opportunity to combine natural beauty with historic landmarks along routes like the C&O Canal Towpath and through Rock Creek Park.
Yes, many routes are designed to connect various natural areas. For example, the Beach Drive in Rock Creek Park – Horseshoe Bend at Great Falls loop from Rockville combines sections of Rock Creek Park with the C&O Canal Towpath, offering a diverse experience through different landscapes.
Given the mixed surfaces and varying route lengths, it's advisable to pack essentials like a repair kit, extra water, snacks, and appropriate layers of clothing. Sunscreen and insect repellent are also recommended, especially during warmer months. For longer rides, consider a headlamp if there's any chance of riding near dusk or through wooded areas.


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