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Routes
Bike touring routes & trails
United States
Maryland
Montgomery County
Poolesville

C&O Canal and Agricultural Reserve Loop

Moderate

3.4

(3)

35

riders

C&O Canal and Agricultural Reserve Loop

02:31

41.0km

210m

Cycling

The C&O Canal and Agricultural Reserve Loop offers a unique touring bicycle experience, blending the historic C&O Canal Towpath with the scenic Montgomery County Agricultural Reserve. You'll navigate a primarily unpaved surface of dirt and crushed stone, often shaded by trees, with views of the Potomac River and historical structures like Lock 27, Spinks Ferry. The route is generally flat, but the varied terrain makes it a moderate 25.5-mile (41.0 km) ride, best enjoyed on a hybrid or gravel bike.

Plan for a ride of about 2 hours and 31 minutes, keeping in mind that the towpath can be bumpy and muddy, especially after rain. While specific parking for this loop isn't detailed, numerous access points exist along the C&O Canal. It's wise to check trail conditions beforehand and carry enough water, as services might be limited along the way.

This loop provides a glimpse into the rich history of the Chesapeake and Ohio Canal, which once served as a vital commercial waterway, alongside the tranquil landscapes of the Agricultural Reserve. The C&O Canal Towpath is part of a much longer trail system, offering a substantial long-distance cycling opportunity for those looking to explore further, connecting with the Great Allegheny Passage for an epic 330-mile journey to Pittsburgh.

Last updated: June 9, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Chesapeake and Ohio Canal National Historical Park

Waypoints

A

Start point

Parking

Get Directions

1

7.94 km

Lockhouse 25

Highlight • Historical Site

This Lockhouse saw the Civil War unfold as the two sides crossed from one side of the river to the other. It can now be rented as a base camp for your cycling excursions in the area.

Tip by

2

21.9 km

Giant maple tree sheltering Lock 26

Highlight • Natural Monument

This amazing tree stands witness over this truly historic site and invites to stop for a picnic.

Tip by

3

25.2 km

Lock 27, Spinks Ferry

Highlight • Historical Site

Mile marker 41.5

Spink’s Ferry was an established Potomac crossing long before the Canal was built. Josias Clapham licensed the ferry way back in 1757. Because the approach to his ferry landing was less convenient than a competing ferry just upstream, Clapham swayed the Virginia Assembly to approve a less expensive toll to compete.
The ferry switched hands in 1816, but didn’t become known as “Spinks Ferry” until 1833 when John Spinks bought the property. Although Spinks stopped running the ferry by the Civil War, the nearby lock and its pivot bridge used for access to the river landing became the target for retreating Confederates after the Battle of Antietam. General D.H. Hill looked to disable Lock 27 after failing to destroy the Monocacy Aqueduct upstream. Interestingly, the Canal company dismissed the lockkeeper, Thomas Walters, for collaborating with the southerners. His neighbors came to his defense, explaining that the lockkeeper pleaded with the Confederates not to destroy the lock.

Lock 27 was built mostly of red sandstone from both Seneca and Point of Rocks. You can see the rubble from the extended portion of the lock along the upstream channel. The stone lockhouse, once missing much of its front wall, has been restored.

Source: canaltrust.org

Tip by

B

41.0 km

End point

Parking

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Way Types & Surfaces

Way Types

17.8 km

15.2 km

4.93 km

2.67 km

431 m

Surfaces

17.8 km

12.6 km

9.92 km

431 m

285 m

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Elevation

Elevation

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

Highest point (130 m)

Lowest point (60 m)

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Weather

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Today

Monday 13 July

29°C

18°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

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Frequently Asked Questions

How long does it typically take to cycle the C&O Canal and Agricultural Reserve Loop?

This moderate touring bicycle loop, covering approximately 41 kilometers (25.5 miles), generally takes around 2 hours and 30 minutes to complete. Your actual time may vary depending on your pace, stops for sightseeing, and current trail conditions.

What is the terrain like on this cycling loop?

The loop offers a diverse cycling experience. The C&O Canal Towpath sections are mostly flat to gently graded, consisting of crushed gravel and hard-packed clay. In contrast, the Montgomery County Agricultural Reserve features rolling hills with more elevation changes, and its roads and trails can include both paved and unpaved segments. Expect a mix of asphalt, compacted gravel, and unpaved surfaces throughout the route.

What type of bike is best suited for this route?

Given the varied terrain, which includes crushed gravel, hard-packed clay, and potentially rougher unpaved sections, a hybrid, gravel, or mountain bike is highly recommended. Tires 32mm or wider will provide better comfort and stability, especially on the C&O Canal Towpath sections.

What historical sites or natural features will I see along the way?

This loop is rich in both history and natural beauty. Along the C&O Canal, you'll pass historical sites such as Lockhouse 25 and Lock 27, Spinks Ferry. You can also admire the Giant maple tree sheltering Lock 26. The Agricultural Reserve offers picturesque farmland, historic barns, orchards, and open fields.

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

Spring and fall are generally the best times to cycle this loop. The weather is typically milder, and the scenery is vibrant with spring blooms or autumn foliage. Summer can be pleasant, but be prepared for potential heat and humidity. Winter cycling is possible, but some sections of the towpath may be muddy or icy, and amenities might be limited.

Are dogs allowed on the C&O Canal and Agricultural Reserve Loop?

Yes, dogs are generally allowed on the C&O Canal Towpath and in the Montgomery County Agricultural Reserve. However, they must be kept on a leash at all times, and you are responsible for cleaning up after your pet. Always check specific local regulations for any areas you pass through.

Do I need any permits or have to pay entrance fees for this route?

No, there are typically no entrance fees or specific permits required for cycling the C&O Canal Towpath or the public roads and trails within the Montgomery County Agricultural Reserve. The C&O Canal is a National Historical Park, and access to the towpath is generally free. However, if you plan to camp overnight at designated hiker-biker campsites along the C&O Canal, those are usually free and first-come, first-served.

Where can I park to access this cycling loop?

There are numerous access points and parking areas along the C&O Canal Towpath that could serve as a starting point for this loop. Specific parking lots can be found at various lockhouses or towns adjacent to the canal. For the Agricultural Reserve portion, look for public parking in towns or designated trailheads within the reserve. Always check local signage for parking regulations.

Are there places to eat or resupply along the route?

Yes, both the C&O Canal corridor and the Montgomery County Agricultural Reserve have towns and communities that offer amenities. Along the C&O Canal, towns provide B&Bs, restaurants, and bike shops. Within the Agricultural Reserve, you'll find towns that may offer services, cafes, pubs, and places to restock on water and snacks. Planning your stops in advance is recommended.

Does this route connect with other trails?

Yes, this loop incorporates sections of several other well-known paths. Notably, it utilizes a significant portion of the Chesapeake and Ohio Canal Towpath (Maryland) and also passes through segments of the 50 (Maryland), 9-11 Trail (Maryland), ADT - Maryland - Seg 4, and the Potomac Heritage National Scenic Trail (left bank).

Is this loop suitable for beginner cyclists?

While the C&O Canal Towpath sections are relatively flat and accessible, the overall loop is rated as moderate due to the rolling hills and varied terrain within the Montgomery County Agricultural Reserve. Beginners with some cycling experience and a suitable bike (hybrid, gravel, or mountain bike) should be able to manage it, but those new to cycling might find the elevation changes in the Reserve challenging. It's a good idea to be comfortable with mixed surfaces before attempting the full loop.

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