Deep Run lies northwest of Union Mills as you head toward Hanover, PA. Don't be alarmed if you hear the sound of gun fire in the area - Deep Run Road is home to a local shooting club.

 

At one point, The fulling mills of Center Mills Factory on the Meadow Branch was the source for nearly all of the indigo bunting for the county and nearby woolen factories included the Deep Run Woolen Factory whcih was operated by David Leister near Union Mills and the Shepherd Woolen Factory on Little Pipe Creek. The early mills of various types were an enormous part of the economic development of the county and there are many roads today still named after the mills even though most of them are long gone.