Facility Overview

Patapsco Valley State Park - Avalon Area Parking serves as the premier southern trailhead and day-use access hub for Maryland's oldest state park. Located along South Street near the border of Elkridge and Halethorpe, this recreational parking complex consists of several paved and compacted-gravel open-air surface lots positioned along the scenic river drive leading through the Avalon, Glen Artney, and Orange Grove sectors. Because all parking facilities are completely open-air at ground level, there are no vertical clearance limits or low-hanging garage ceilings, making the lots accommodating for standard passenger cars, pickup trucks, full-size SUVs, and rooftop gear racks. Designated turnaround areas and wide perimeter spots also accommodate minibuses, passenger vans, and school buses, though drivers of oversized vehicles should remain mindful of low-hanging tree branches along the winding park interior road.

Prime Location & Nearby Attractions

Avalon is the most historic and amenity-dense sector of Patapsco Valley State Park, positioning visitors immediately adjacent to the park's premier outdoor and cultural highlights:

• The Thomas Viaduct: The world's oldest multiple-arch stone railroad bridge still in active use (built in 1835 for the B&O Railroad), towering directly over the park entrance drive.
• Avalon Swinging Bridge & Cascade Falls: Located approximately 0.5 to 1.2 miles down the park drive, providing access to scenic suspension footbridge views and tumbling woodland waterfalls.
• Grist Mill Walking & Biking Trail: A paved, multi-use, riverside trail connecting parking lots directly to the riverbanks and historic industrial mill ruins.
• Historic Ellicott City: Located a brief 10-to-12-minute drive west, featuring boutique shopping, artisanal dining, and the B&O Railroad Museum Ellicott City Station.
• Guinness Open Gate Brewery: Situated just 3.5 miles (under 10 minutes drive) northeast in Halethorpe, making it a popular post-hike dining and craft beer stop.

Access, Navigation & Transit Connectivity

Vehicle access is straightforward from major regional thoroughfares. Motorists travel via U.S. Route 1 (Washington Boulevard) and turn onto South Street in Elkridge, passing beneath the historic Thomas Viaduct arches to reach the park entrance gatehouse. The facility connects directly to Interstate 195 (Exit 3), providing rapid transit links to Interstate 95, Interstate 695 (Baltimore Beltway), and Maryland Route 100. For transit commuters, the Halethorpe MARC Train Station (Penn Line) and St. Denis Station (Camden Line) are located within a 5-to-10-minute drive, connecting commuters from Baltimore and Washington, D.C. Exiting the park involves retracing the two-lane valley road back to South Street; during peak holiday afternoons, exiting traffic may move slowly as vehicles filter back onto Route 1.

Facility Amenities & Key Features

• Spacious, clearly marked open-air surface lots with asphalt paving near shelters and gravel turnout lots along trail spurs.
• Ranger entrance station with staffed fee collection during peak seasons and automated self-pay honor envelopes during off-peak times.
• Dedicated ADA-accessible parking spaces adjacent to the main playground, picnic pavilions, and paved pathway trailheads.
• Modern public comfort stations with running water, flush toilets, and seasonal port-a-johns situated throughout the picnic grounds.
• Direct walking access to large covered picnic pavilions, charcoal grills, drinking fountains, and a playground.
• Trailhead signboards featuring topographic maps, distance markers, and park safety advisories.

Ideal For

• Hikers, trail runners, and dog walkers exploring Cascade Falls, Ridge Trail, and Morning Choice Trail networks.
• Mountain bikers and recreational cyclists looking for paved paths on the Grist Mill Trail or rugged singletrack in the valley hills.
• Families hosting weekend birthday parties, reunions, or cookouts at the Avalon and Glen Artney pavilions.
• Anglers, kayakers, and paddleboarders seeking convenient shoreline launches along the Patapsco River.
• Photographers, birders, and history enthusiasts admiring the Thomas Viaduct and historic industrial mill sites.

Visitor & Driver Tips

• Arrive Early on Weekends: The Avalon Area is exceptionally popular; park rangers will close the gates once all lots reach full capacity, particularly between 11:00 AM and 3:00 PM on warm weekends and holidays.
• Check the DNR Park Status Dashboard: Before departing home, check the Maryland Department of Natural Resources park dashboard online or call ahead to verify if the Avalon entrance is currently open or at capacity.
• Entry Fee Structure: Admission is charged at the gatehouse ($2 per car for MD residents and $4 for out-of-state on weekdays; $3 per person for MD residents and $5 per person for out-of-state on weekends and holidays from April through October). Cash and major cards are accepted.
• Gate Closing Times: Gates open promptly at 9:00 AM and lock strictly at sunset. Plan your return hike so you have sufficient time to pack up and exit before park personnel lock the entrance gates.
• Download Offline Maps: Cell service within the river valley gorge can be intermittent depending on your mobile carrier; download your trail maps and GPS directions prior to entering the park.