Per Frederick County Maryland Fire & Rescue:
FCDFRS crews are currently working alongside Washington County Division Of Emergency Services crews on the scene of a large mountain fire along the Appalachian trail in the Wolfsville area. The fire is currently located on the Washington and Frederick County line.
There are approximately 100 firefighters from Frederick, Washington, and Franklin counties on location working to contain the spread. An estimated 15 acres has been affected and crews will remain on location for several more hours. There are no structures threatened and no injuries reported.
Images from Frederick County Fire and Rescue