Hike to waterfalls, cross historic swinging bridges, and explore the ruins of lost towns—all within Patapsco Valley State Park, Maryland’s largest and oldest state park. Stretching along 32 miles of the Patapsco River, this vast outdoor destination offers 200 miles of trails, scenic overlooks, and a rich history shaped by industry and innovation.

Walk the Grist Mill Trail past railroad ruins and remnants of historic mills, or visit Daniels, a ghost town slowly being reclaimed by nature. The Cascade Falls Trail leads to a serene woodland waterfall, while the Orange Grove Swinging Bridge offers a thrilling way to cross the river. For history buffs, the William Offutt Johnson History Center highlights the valley’s industrial past, including the world’s first underwater hydroelectric plant.

Adventure seekers can mountain bike rugged terrain, paddle the river, or fish in its quiet stretches, while families will find picnic areas, playgrounds, and scenic riverside trails. Popular areas like Avalon, Hollofield, and Daniels Trailhead can reach capacity on weekends, so arrive early to secure a spot.

With hidden ruins, breathtaking scenery, and diverse trails, Patapsco Valley State Park is an unforgettable outdoor escape just minutes from Baltimore.