Patapsco Valley State Park

Avalon/Glen Artney/Orange Grove AreaSwinging Bridge in Avalaon Area courtesy of Charlene McClain


Contact: 410-461-5005​
E-mail Patapsco Valley State Park

Patapsco Valley State Park - Avalon
5120 South Street
Halethorpe MD 21227
GPS N 39-13'11.0 W 076-42'18.3


Miles of trails flow through these three distinct areas, taking the hiker on a journey that features stunning vistas, hidden treasures of the past, babbling brooks, pleasing waterfalls, and a sense of wilderness that is within steps of the suburbs of Baltimore.

  • Avalon Area: Large picnic shelters - Playgrounds - Trails - Visitor Center (closed for renovation) - Access to Orange Grove Area
  • Orange Grove Area: Swinging bridge - Picnic shelter and picnic sites - Trails - Bloede Dam Removal Project
  • Glen Artney Area: Lost Lake - Picnic area - Trails

Service Charges
Trail Maps
Avalon Visitor Center
Picnic Shelters
Paddling and Tubing
Historic Sites
Pet Policy
Bicycle Commuting

Grist Mill Trail Bridge in the summer.​Grist Mill Trail

Park, Trail and River Closures

NOTICE: The Grist Mill Trail in the Avalon area of Patapsco Valley State Park, including the swinging bridge (bridge from Orange Grove to the Grist Mill Trail) is now open from Lost Lake north to the Saw Mill and Forest Glen trails. Click here for detailed information​.