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Howard County
Ellicott City

OEC and Campground Connector Trail

Easy

OEC and Campground Connector Trail

01:03

3.78km

60m

Hiking

The OEC and Campground Connector Trail offers a dynamic hiking experience through Patapsco Valley State Park, blending challenging segments with rewarding views. You'll navigate varied terrain, including steep slopes and rocky sections, leading to river access and a scenic overlook. The trail's highlight is a unique high-exposure area built above the Union Dam Tunnel, providing a fresh perspective on the park's landscape. It's an easy 2.4-mile (3.8 km) route with 212 feet (65 metres) of elevation gain, taking about 1 hour and 3 minutes to complete.

This trail is designed to enhance connectivity, allowing easy access between the Hollofield Campground and historic Ellicott City. While specific parking locations aren't detailed, you can plan your visit from either end, making it convenient for both campers and town visitors. Always remember to wear appropriate hiking shoes and carry water, especially given some of the trail's demanding sections.

Notably, the OEC and Campground Connector Trail features the first machine-built sections in Patapsco Valley State Park, a testament to its innovative construction. This project not only provides a crucial link between previously disconnected areas but also improves safety by eliminating the need to cross an active CSX railroad line. It's a sustainable replacement for older paths, offering a modern and enduring connection for park enthusiasts.

Last updated: June 9, 2026

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Waypoints

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Parking

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B

3.78 km

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Way Types & Surfaces

Way Types

3.53 km

173 m

< 100 m

Surfaces

2.61 km

875 m

272 m

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Elevation

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Highest point (130 m)

Lowest point (60 m)

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Today

Friday 9 October

24°C

7°C

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Frequently Asked Questions

Where can I access the OEC and Campground Connector Trail?

The trail is located in Patapsco Valley State Park, Maryland. It provides a crucial link between the Hollofield Campground and historic Ellicott City. You can access it from either the campground or from Ellicott City, offering flexibility for your hike.

Is the OEC and Campground Connector Trail suitable for beginners?

While the trail is rated as 'easy' overall by komoot, some sections are described as having 'Blue difficulty' and a 'Moderate' physical rating due to challenging segments, including a high-exposure area. Beginners should be prepared for varied terrain and some elevation changes.

What kind of terrain can I expect on the trail?

The trail features varied terrain, including natural surfaces typical of a state park. A notable segment was professionally built using a mini excavator, particularly above the Union Dam Tunnel, to navigate difficult terrain and avoid an active railroad line. Expect some challenging sections.

When is the best time to hike the OEC and Campground Connector Trail?

The trail can be enjoyed year-round, but spring and fall offer pleasant temperatures and beautiful scenery. Summer can be warm and humid, while winter hiking is possible but may involve colder temperatures and potentially icy conditions on some segments.

Is the OEC and Campground Connector Trail dog-friendly?

Yes, dogs are permitted on the trail, but they must be kept on a leash at all times. Please remember to pack out any waste.

Are there any fees or permits required to use the trail?

As the trail is located within Patapsco Valley State Park, standard Maryland State Park entrance fees may apply, especially if you are driving in. It's advisable to check the official Patapsco Valley State Park website for current fee schedules and any specific permit requirements.

Does the trail connect to other routes?

Yes, the OEC and Campground Connector Trail is designed for connectivity. It links the Hollofield Campground to historic Ellicott City and also provides connections to other trails within Patapsco Valley State Park. Specifically, the route also passes through sections of the OEC Connector, Peaceful Pond Trail, Patapsco Howard County Thru Trail, Patapsco Traverse (south hiking), and Patapsco Traverse (south mtb).

What are the notable features or viewpoints along the route?

A significant feature is the innovative construction above the Union Dam Tunnel, which allows hikers to bypass an active CSX railroad line safely. The trail's primary highlight is its role in connecting park guests to historic Ellicott City, offering opportunities to explore local shops and dining.

Is the OEC and Campground Connector Trail suitable for families with children?

Given its 'easy' komoot rating and the option to connect to amenities in Ellicott City, it can be suitable for families. However, be aware of the 'Moderate' physical rating and some challenging, high-exposure segments mentioned in the trail research. Supervise children closely, especially in these areas.

What amenities are available near the trail, especially in Ellicott City?

One of the trail's main benefits is its direct connection to historic Ellicott City. This means you can hike from the campground directly into town to access a variety of amenities, including cafes, restaurants, shops, and other local businesses.

Is the OEC and Campground Connector Trail a loop or point-to-point?

The OEC and Campground Connector Trail primarily functions as a point-to-point connector between the Hollofield Campground and Ellicott City. However, its connections to other trails within Patapsco Valley State Park allow for the creation of larger loop routes if desired.

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