Susquehanna State Park

Rock Run Historic AreaRock Run Grist Mill

History buffs will love touring the operational 200-year-old Rock Run Grist Mill, as well as the Carter-Archer mansion. This area also contains the Jersey Toll House which at one time was the collection point for travelers crossing the covered bridge spanning the Susquehanna River.

The remnants of the Susquehanna & Tidewater Canal can be seen here as it parallels the river from Havre de Grace to Wrightsville, Pennsylvania.

Click here for a more complete history of Susquehanna State Park.

Hours of operation:

The Rock Run Gristmill is open on weekends and holidays from 10 a.m. to 4 p.m., Memorial Day to Labor Day, and upon request.

The Carter-Archer Mansion is also open upon request by appointment only. For more information and updates on the park's historic sites, please contact staff at 410-557-7994.

Historic Rock Run Area Self-guided Walking Tour