Dark Hollow Run is a tributary of the Delaware River contained wholly within Solebury Township, Bucks County, Pennsylvania, meeting with the Delaware south of New Hope.
A branch line of the Postal Telegraph Company was connected with the main line from Trenton, NJ, in the summer of 1888.
The Geographic Name Information System I.D. is 1172941, U.S. Department of the Interior Geological Survey I.D. is 03034.
Dark Hollow Run rises south of Aquetong Road at an elevation of and runs for about a mile and a half to its confluence with the Delaware River at the river's 148.20 River Mile at an elevation of , resulting in an average slope of .