Highlight • Trail
Hiking
5.0
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The Trolley Line #9 Trail is a historic and scenic pathway spanning 1.25 miles (2.0 km) in western Baltimore County, Maryland, United States. This accessible trail connects the communities of Catonsville, Oella, and Ellicott City, following the route of a former electric trolley line. Situated at an average elevation of around 81 meters, it offers a gentle journey through woodlands and along the Cooper Branch, eventually leading to the historic Main Street of Ellicott City and the edge of Patapsco Valley State Park.
Visitors consistently praise the trail for its unique blend of natural beauty and rich history. The impressive hand-cut granite walls, excavated over a century ago for the original trolley line, are a standout feature, creating a dramatic backdrop for walkers and cyclists. The soothing sounds of the Cooper Branch, with its small waterfalls, add to the tranquil atmosphere, making it a favorite spot for a peaceful escape.
Before heading out, it's good to know that the Trolley Line #9 Trail is largely paved and features boardwalk sections, making it suitable for various activities and accessible for many. While generally easy with a slight incline, comfortable walking shoes are always recommended. Parking information is available near the trailheads in Catonsville and Ellicott City, and its proximity to urban areas means it can be popular, especially on weekends.
The trail is enjoyable year-round, offering different charms with each season. Many find the best time of year to visit is during spring for lush greenery or autumn for vibrant fall colors. It's an ideal spot for walking, jogging, and biking, and its gentle slope makes it a popular choice for families with kids. The trail's connection to Ellicott City also means easy access to nearby cafes and restaurants for a post-activity treat.
The Trolley Line #9 Trail itself is a straightforward 1.25-mile (2.0 km) linear path, perfect for an out-and-back journey. This allows visitors to experience the full length of the trail, from the west end of Edmondson Avenue in Catonsville to Main Street in Ellicott City, at their own pace. The trail's difficulty level is considered easy, making it suitable for most fitness levels.
Beyond the natural scenery, the trail offers a tangible connection to the past. Walking along the route, it's easy to imagine the electric trolleys that once shuttled passengers between Ellicott City and Baltimore. The impressive 100-foot-high granite walls, a testament to 19th-century engineering, provide a striking visual. A short detour can lead to the Benjamin Banneker Historical Park & Museum, adding another layer of historical exploration to your visit.
Whether you're looking for an easy stroll, a family bike ride, or a historical exploration, the Trolley Line #9 Trail offers a rewarding experience. You can find various routes and plan your visit, including options for Trolley Line #9 Trail loop options or extensions into Patapsco Valley State Park, using komoot's route planner. This trail is also known to be dog-friendly, so your furry companions can join in the adventure.
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Nearby routes
Best routes near Trolley Line #9 Trail

5
hikers
2.78km
00:47
90m
0m
The Trolley Line #9 Trail offers a delightful journey through shaded woodlands, following a paved path that winds alongside the Cooper Branch stream. You'll encounter impressive 100-foot-high, hand-cut granite walls, a unique feature from its past as an electric streetcar route. This easy 1.7-mile (2.8 km) hike, with a gentle 291 feet (89 metres) of elevation gain, is perfect for a quick 46-minute outing, providing a peaceful ambiance with occasional small waterfalls.
Planning your visit is straightforward, as the trail connects directly to historic Ellicott City, making it easy to combine your hike with a meal or some shopping. While the paved surface is generally accessible, be aware that the wooden boardwalk section can become slippery when wet. This trail is particularly family-friendly and suitable for strollers, offering a pleasant experience for all ages.
This route follows the historic path of the Catonsville & Ellicott City Electric Railway Company trolley line, which operated for over 50 years. Near the 1-mile mark, you can take a short detour to the Benjamin Banneker Historical Park & Museum, adding a cultural and educational element to your trip. It's a great option for those looking for beginner hiking routes with a rich local history.

29
hikers
5.12km
01:25
90m
90m
The Starting Point – Trolley Line #9 Trail loop from Ellicott City offers a delightful blend of history and nature, perfect for an easy outing. This 3.2-mile (5.1 km) hike, with a gentle 290 feet (89 metres) of elevation gain, takes about 1 hour and 24 minutes to complete. You'll traverse paved paths and boardwalks, following the serene Cooper Branch with its small waterfalls, and pass through shaded woodlands. The highlight is undoubtedly the "spectacular canyon walk-through" where a curved boardwalk cuts through impressive 100-foot high, hand-cut granite walls.
Starting from Ellicott City, this easy route is generally accessible for various activities, though you should be aware of a steady incline that provides a good workout. The wooden boardwalk sections can be slippery when wet, so exercise caution. The trail conveniently connects to the historic Main Street of Ellicott City, offering shops and restaurants, and also provides access to the Benjamin Banneker Historical Park & Museum for those looking to extend their exploration.
What makes this trail particularly notable is its rich past as part of the Catonsville & Ellicott City Electric Railway Company trolley line, which operated for over half a century. Beyond its historical context, the trail offers connections to Patapsco State Park and even features a popular local bakery, "The Breadery," just off the route. It's a fantastic option for a family-friendly adventure or a leisurely stroll, combining natural beauty with local heritage.

7
hikers
7.22km
02:00
120m
120m
The Starting Point – Ellicott town loop from Oella offers a delightful blend of natural beauty and historical charm, perfect for a relaxed outing. You'll start by walking between impressive 100-foot hand-cut granite bluffs, a unique feature that quickly gives way to paved paths winding through lush woodlands. Listen for the babbling stream that accompanies you, often feeding into the Patapsco River, as you enjoy this easy 4.5-mile (7.2 km) hike with a gentle 407 feet (124 metres) of elevation gain. The route is generally smooth, though you'll encounter a steady incline when heading northeast, making it a pleasant two-hour stroll for families and casual hikers. This trail is a fantastic option if you're looking for a family friendly hike near Ellicott City.
Planning your visit is straightforward; the trail is well-regarded for its accessibility and well-maintained surface. While specific parking information isn't detailed, the trail's connection to historic Ellicott City means amenities are close by. Consider visiting during the cooler parts of the day or year for the most comfortable experience, especially if you plan to explore the town afterward. You'll find plenty of cafes near Ellicott Town Oella loop trail for a post-hike refreshment.
This loop follows the historic Trolley Line #9 Trail, tracing the path of the former Catonsville & Ellicott City Electric Railway. You'll pass the still-standing stone supports of a long-gone trolley bridge in Oella, a site listed on the National Register of Historic Places. The trail's rich historical context, combined with its proximity to attractions like the Benjamin Banneker Historical Park & Museum and the shops and restaurants of historic Ellicott City, makes it a notable destination in the Baltimore County area.
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Elevation 80 m
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The trail can be accessed from either end. In Catonsville, you can find parking near the west end of Edmondson Avenue. At the Ellicott City end, parking is available on or near Main Street. Given its popularity, especially on weekends, arriving earlier in the day is often recommended to secure a spot.
The Trolley Line #9 Trail is 1.25 miles (2.0 km) one way. For walkers, an out-and-back journey (2.5 miles total) typically takes about 45 minutes to an hour at a moderate pace. Cyclists can complete it faster, usually within 15-20 minutes for the round trip, depending on speed and stops.
Yes, the trail is considered ADA accessible. It features a paved surface and boardwalk sections with a gentle, steady incline, making it suitable for wheelchairs, strollers, and those with mobility challenges. This accessibility ensures a comfortable experience for a wide range of visitors.
The trail follows the historic route of the Catonsville and Ellicott City Electric Railway Company's trolley line. A prominent historical feature is the impressive, 100-foot-high hand-cut granite walls, originally excavated in the 1890s for the electric streetcar rails. These walls offer a dramatic glimpse into the engineering feats of the past.
Beyond the historic granite walls, the trail winds through scenic woodlands alongside the Cooper Branch. You'll encounter soothing sounds of the stream and small waterfalls, particularly after rainfall. The trail also offers picturesque views of the surrounding valley as it descends towards Ellicott City.
The Trolley Line #9 Trail is dog-friendly, making it a great spot to bring your canine companion. Please ensure your dog is kept on a leash at all times and that you clean up after them to maintain the trail's cleanliness for all users. Water bowls are not typically provided, so bring your own water for your pet.
While direct public transport to the trailheads might be limited, local bus services operate in the Catonsville and Ellicott City areas. Visitors should check local MTA Maryland bus schedules for routes that may drop off within walking distance of either end of the trail.
As the trail passes through woodlands and along a stream, visitors might spot common eastern wildlife. This can include various bird species, squirrels, chipmunks, and occasionally deer. The Cooper Branch also supports aquatic life, though it's less commonly seen from the trail itself.
The Trolley Line #9 Trail is primarily a linear, out-and-back path. However, its connection to Main Street in Ellicott City places it near the Patapsco Valley State Park, offering opportunities to extend your adventure onto other trails within the park. There are no direct loop options solely within the Trolley Line #9 Trail itself.
Upon reaching Main Street in historic Ellicott City, you'll find a vibrant array of amenities. This includes numerous unique shops, diverse restaurants and cafes, and historical attractions like the B&O Ellicott City Station Museum. It's an excellent place to relax and refuel after your walk or ride.
Yes, the Trolley Line #9 Trail can be enjoyed in winter. Its paved and boardwalk surfaces generally make it passable, though caution is advised during icy or snowy conditions. The bare trees can offer different perspectives of the surrounding landscape and the historic granite walls. Always check local weather conditions before heading out.
Due to its accessibility, scenic beauty, and connection to Ellicott City, the Trolley Line #9 Trail can become quite popular, particularly on pleasant weekends and holidays. If you prefer a quieter experience, consider visiting during weekday mornings or later in the afternoon.