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Road cycling routes
United States
Maryland
Howard County

Patapsco Valley State Park Avalon Area

The best road cycling routes in Patapsco Valley State Park Avalon Area

By Fede from komoot

ยท

Updated June 5, 2026

If you've ever tried to plan road cycling in Patapsco Valley State Park Avalon Area, you know how overwhelming the options can be. With so many routes, it's hard to tell which ones are genuinely worth your time and effort, and which are just filler. That's where we come in. Our komoot community has mapped, ridden, and reviewed these routes, so this guide is your curated shortlist of the ones that truly deliver, saving you the guesswork.

Road cycling in Patapsco Valley State Park Avalon Area is a dynamic experience, defined by its undulating river valleys, dense forests, and rolling hills. You'll find everything from leisurely rides on gentle slopes to challenging ascents, with well-maintained paved surfaces for the most part, though some longer routes might include unpaved sections. The area truly comes alive in the autumn, offering vibrant scenery that makes every pedal stroke a pleasure.

If you're looking for a solid, moderate ride that connects you to a wider network, we'd start with the Tom Dixon Observation Area โ€“ BWI Trail loop from Saint Denis, a 41.3 miles (66.5 km) route with significant elevation gain. For a quicker, easier outing, the Roadbike loop from Saint Denis is a fantastic choice at 14.1 miles (22.7 km), perfect for a relaxed spin. With more than 700 road cyclists having already explored these paths with komoot, you're in good company.

If you only do 3 of these routes

  1. 1

    Tom Dixon Observation Area โ€“ BWI Trail loop from Saint Denis
  2. 2

    Roadbike loop from Saint Denis
  3. 3

    Race Road Along Deep Run โ€“ Oxford Square Community Pond loop from Saint Denis

Compare these routes at a glance

Trail

Distance

Elevation

Difficulty

Tom Dixon Observation Area โ€“ BWI Trail loop from Saint Denis

66.5ย km

360ย m

Moderate

Roadbike loop from Saint Denis

22.7ย km

180ย m

Easy

Race Road Along Deep Run โ€“ Oxford Square Community Pond loop from Saint Denis

47.7ย km

430ย m

Moderate

Race Road Along Deep Run โ€“ Oxford Square Community Pond loop from Halethorpe

51.4ย km

440ย m

Moderate

Deep Run Area loop

29.3ย km

270ย m

Easy

Tom Dixon Observation Area โ€“ BWI Trail loop from Catonsville

53.2ย km

380ย m

Moderate

Morning Choice Trailhead โ€“ Patapsco Valley State Park loop from Catonsville

53.8ย km

700ย m

Moderate

Patapsco Valley State Park โ€“ Ellicott town loop from Catonsville

42.2ย km

490ย m

Moderate

Patapsco Valley State Park โ€“ Race Road Along Deep Run loop from Catonsville

27.9ย km

280ย m

Moderate

Patapsco Valley State Park โ€“ The Cycle Mill Bike Shop loop from Halethorpe

27.6ย km

210ย m

Moderate

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1.

Tom Dixon Observation Area โ€“ BWI Trail loop from Saint Denis

66.5km

02:58

360m

360m

The Tom Dixon Observation Area โ€“ BWI Trail loop offers a truly unique road cycling experience, circling the Baltimore-Washington International Airport. This moderate 41.3-mile (66.5 km) route, with 1182 feet (360 metres) of elevation gain and an estimated duration of 2 hours and 58 minutes, takes you through a surprising mix of wooded areas, open fields, and even past a horse farm. The highlight for many is the close-up views of planes taking off and landing, especially from the Thomas A. Dixon, Jr. Aircraft Observation Area.

Planning your ride is straightforward, as the paved trail is well-maintained and clearly marked. You'll find multiple parking options, including at the Tom Dixon Aircraft Observation Area, and public transport access via the BWI Rail Station and Linthicum Light Rail Station. While generally considered flat, be prepared for gradual hills and some steeper sections that can provide a good workout, and keep an eye out for occasional bumpy pavement or debris.

What makes this route stand out is its status as the only trail in the U.S. that fully encircles an international airport, providing unparalleled aviation views. Beyond the airport, the trail connects to other significant regional paths, like the B&A Trail via the John Overstreet Connector, allowing for even longer rides. It's a fantastic option for cyclists looking for a diverse ride with a distinct focal point.

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2.

Roadbike loop from Saint Denis

22.7km

01:04

180m

180m

This easy road bike loop from Saint Denis offers a pleasant and accessible ride, perfect for a quick outing. The route covers 14.1 miles (22.7 km) with a modest 575 feet (175 metres) of elevation gain, making it an ideal choice for beginners or anyone seeking a relaxed spin. Expect smooth roads and gentle terrain, allowing you to enjoy the ride without significant physical demands.

Planning your visit is straightforward for this 1 hour and 3 minute loop. Parking is typically available in the Saint Denis area, and the route is suitable for most daylight hours. As with any urban-adjacent ride, be mindful of traffic and carry enough water, especially during warmer months. It's a great option for a spontaneous ride when you don't have much time.

While specific scenic highlights for this particular Saint Denis location are not detailed, the route provides a consistent road cycling experience. It's a solid choice if you're looking for a reliable, easy loop to maintain fitness or simply enjoy some time on two wheels in the Arbutus area. Consider it a local go-to for a hassle-free ride.

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3.

Race Road Along Deep Run โ€“ Oxford Square Community Pond loop from Saint Denis

47.7km

02:07

430m

430m

The Race Road Along Deep Run โ€“ Oxford Square Community Pond loop offers a rewarding road cycling experience, guiding you through a blend of natural landscapes and local charm. You'll pedal past the tranquil Deep Run stream, with views of dense woods, and potentially near the Oxford Square Community Pond, providing a pleasant mix of scenery. The route features mostly well-paved surfaces, making it a smooth ride, though you'll encounter some rolling hills that add to the challenge and visual interest.

This moderate 29.6-mile (47.7 km) route, with 1405 feet (428 metres) of elevation gain, typically takes around 2 hours and 7 minutes to complete. Starting from Saint Denis, Maryland, it's a great option for cyclists familiar with the local area. While specific parking isn't detailed for this exact loop, you can find various access points in the broader Catonsville and Patapsco Valley State Park region. Always carry sufficient water and check the weather before your ride.

This loop is part of the popular Deep Run Area cycling options, known for its accessibility to explore the region's natural beauty close to Patapsco Valley State Park. The area holds historical significance, with the banks of Deep Run once serving as a hiding place for those traveling with Harriet Tubman. It's an excellent introduction to the local road cycling scene, offering a taste of Maryland's diverse landscape.

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4.

Race Road Along Deep Run โ€“ Oxford Square Community Pond loop from Halethorpe

51.4km

02:44

440m

440m

This road cycling route offers a diverse journey through the rolling hills and urban green spaces around Halethorpe and Catonsville. You'll cruise along well-paved sections of Race Road, part of the well-regarded Deep Run Area loop, and pass by the tranquil Oxford Square Community Pond, notable for its unique sculptures like the "Frog Family" and "Great Blue Heron." The scenery shifts from natural features and woodlands to glimpses of local ecology, providing a varied backdrop for your ride.

Planning your ride on this 32.0-mile (51.4 km) loop, which includes 1439 feet (438 metres) of elevation gain, is straightforward. The moderate difficulty means you should be prepared for a steady effort over approximately 2 hours and 43 minutes. Starting from Halethorpe, the route is generally accessible, and you won't need any special permits. It's a great option for a morning or afternoon ride when you want to get a good workout in.

The combination of the popular Deep Run Area cycling routes and the unique Oxford Square Community Pond makes this loop stand out among Halethorpe road cycling options. It provides a taste of the broader Catonsville area's scenic rolling hills and proximity to Patapsco Valley State Park, without being an overly strenuous all-day affair. It's a reliable and enjoyable cycling adventure for those looking to explore the local landscape.

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5.

Deep Run Area loop

29.3km

01:38

270m

270m

The Deep Run Area loop in Catonsville, Maryland, is a fantastic choice for a relaxed road cycling adventure. You'll pedal along mostly well-paved surfaces, enjoying a blend of suburban charm and natural green spaces, particularly as you follow Race Road along Deep Run. It's an easy 18.2-mile (29.3 km) route with a gentle 878 feet (268 metres) of elevation gain, making it a popular option for riders of all levels.

Planning your visit to the Deep Run Area loop is simple, as the route is known for its accessibility and ample parking. This circular road cycling trail typically takes about 1 hour and 38 minutes to complete, offering a great way to spend a morning or afternoon. It's a great option for those wondering how long the Deep Run Area road cycling loop takes.

This route stands out as the most popular road cycling option in the Catonsville area, attracting many cyclists due to its straightforward nature and pleasant scenery. It's an excellent choice for beginners looking to get into road cycling, providing a comfortable and enjoyable experience within proximity to Patapsco Valley State Park.

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8.

Patapsco Valley State Park โ€“ Ellicott town loop from Catonsville

42.2km

02:03

490m

490m

The Patapsco Valley State Park โ€“ Ellicott town loop from Catonsville offers a rewarding road cycling experience, guiding you through lush wooded floodplain forests and past the tranquil Patapsco River. You'll enjoy diverse landscapes and historical sites, including the impressive Thomas Viaduct, making for a scenic and engaging ride. This moderate route is perfect for cyclists with good fitness who appreciate a mix of natural beauty and historical context.

This 26.2-mile (42.2 km) loop involves a notable 1606 feet (489 metres) of elevation gain, typically taking around 2 hours and 2 minutes to complete. While the route is generally well-paved, be aware that some sections might be unpaved, adding a bit of challenge for road bikes. Always check the Maryland Department of Natural Resources website for current park conditions or any specific access details before your ride.

Patapsco Valley State Park is Maryland's oldest and largest state park, stretching for miles along the Patapsco River. This particular loop from Catonsville allows you to explore a significant portion of its natural beauty and historical depth, showcasing remnants of early mills like the Orange Grove Flour Mill integrated into the landscape. It's a popular choice among local cycling routes for its blend of challenge and charm.

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Tips from the Community

Trekker25
April 7, 2026, Tom Dixon Observation Area

Porta potties at this observation area

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best ice cream around they even have vegan options well worth the stop

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The BWI Trail offers a great spot to watch planes land at Baltimore/Washington International Thurgood Marshall Airport. This scenic trail provides some shelters and benches to take a break and watch.

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The BWI Trail offers a great spot to watch planes land at Baltimore/Washington International Thurgood Marshall Airport. This scenic trail provides some shelters and benches to take a break and watch.

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From this spot on the BWI Trail you get a truly amazing views over the airport. This multi-use trail is the only trail in the U.S. that encircles an international airport, making it a unique spot for a ride.

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mtm05005
July 23, 2024, BWI Trail

The BWI Trail is an 11-mile paved trail that runs around the BWI Airport. It is flat and traffic free, so it is a great place for a training run.

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This beautiful pond offers a peaceful escape amidst the bustling city. Also serves as a valuable educational resource for local schools, offering opportunities to learn about local ecology and the importance of urban green spaces. Keep an eye out for the two sculptures nestled amidst the greenery โ€“ โ€œFrog Familyโ€ and โ€œGreat Blue Heronโ€ โ€“ adding a touch of artistic whimsy to the natural setting.

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0

AaronLavanchy
January 19, 2024, BWI Trail

The BWI Trail is an 11-mile asphalt trail that encircles the BWI Airport. It was designed with commuters in mind, but it also makes for a great recreational outing.

0

0

Frequently Asked Questions

How many road cycling routes are available in Patapsco Valley State Park Avalon Area?

There are over 60 road cycling routes in the Patapsco Valley State Park Avalon Area, offering a wide range of options for different skill levels. You'll find routes from easy to difficult, ensuring there's something for every cyclist.

What kind of terrain and elevation can I expect on road cycling routes in the Avalon Area?

The Avalon Area offers diverse terrain with significant elevation changes, ranging from mostly well-paved surfaces to some unpaved segments on longer, more challenging routes. You can find rides with up to 1,000 feet of elevation gain for shorter outings, and more demanding routes with up to 3,000 feet of climbing over longer distances.

Are there road cycling routes suitable for beginners or families in Patapsco Valley State Park Avalon Area?

Yes, the area offers several easy road cycling routes, with 16 routes specifically categorized as easy. An example is the Roadbike loop from Saint Denis, which is a shorter ride with less elevation, making it suitable for a quicker outing or those new to road cycling.

What are some notable landmarks or natural features I can see along the road cycling routes?

Road cycling routes in the Avalon Area often parallel the scenic Patapsco River. You might also encounter historical features such as ruins of Maryland's earliest mills and factories, or sites related to America's first common-carrier railroad. The Swinging Bridge is a popular attraction, and the area is rich in natural beauty with forested sections and babbling brooks.

Are there any loop road cycling routes in the Patapsco Valley State Park Avalon Area?

Yes, many of the road cycling routes in the Avalon Area are designed as loops. For example, the Deep Run Area loop offers an easy ride through the scenic landscape.

What is the best time of year for road cycling in Patapsco Valley State Park Avalon Area?

While specific seasonal recommendations aren't provided, the diverse terrain and forested sections suggest that spring and fall would offer pleasant temperatures and beautiful scenery. Summer can be warm, and winter might bring colder conditions, so checking local weather is always advised.

What do other road cyclists enjoy the most about road cycling in Patapsco Valley State Park Avalon Area?

The area is highly rated by the komoot community, with an average score of 4.5 stars from around 20 reviews. Reviewers often praise the diverse terrain, the scenic Patapsco River, and the mix of well-paved and challenging routes that cater to various fitness levels.

Are there any longer or more challenging road cycling routes for experienced riders?

Yes, for experienced riders seeking a challenge, there are routes that extend up to five hours and include 3,000 feet of elevation gain, some with unpaved segments. The Tom Dixon Observation Area โ€“ BWI Trail loop from Saint Denis is a moderate 41.3-mile route with significant elevation gain, connecting to the BWI Trail.

Is parking available near the road cycling routes in Patapsco Valley State Park Avalon Area?

The Patapsco Valley State Park Avalon Area is known for its accessibility, being just 20 minutes outside of Baltimore City. While specific parking locations for road cycling trailheads are not detailed, state parks typically offer designated parking areas for visitors accessing trails.

Can I find routes that lead through forested areas?

Absolutely. Many routes in the Patapsco Valley State Park Avalon Area wind through beautiful forested sections. The Patapsco Valley State Park โ€“ Lost Lake loop from Elkridge is an example of a route that leads through such areas, offering a pleasant and shaded ride.

Are there any road cycling routes that offer views of the Patapsco River?

Yes, the park extends along the Patapsco River, and many trails, including road cycling routes, parallel the river, providing scenic views and opportunities to connect with nature. The river is a defining feature of the area's landscape.

What is the typical duration of road cycling routes in the Avalon Area?

Route durations vary significantly based on length and difficulty. You can find shorter, easy rides that take around an hour, such as the Roadbike loop from Saint Denis (approximately 1 hour), up to more challenging routes that can take five hours or more to complete.

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