Buck Creek (Delaware River tributary)
Buck Creek is a tributary of the Delaware River, rising in Lower Makefield Township, Bucks County, Pennsylvania and meeting its confluence at the Delaware River's 138.00 river mile.

Statistics
Buck Creek was entered into the Geographic Names Information System of the U.S. Geological Survey on 2 August 1979 as identification number 1170509, U.S. Department of the Interior Geological Survey I.D. is 02944.

Course
Mirror Lake Road passes between two small unnamed lakes at an elevation of , the head waters of Buck Creek. The creek runs easterly for about  then turns northerly for about , then slowly curves to the east receiving a unnamed tributary from the left, entering Yardley Borough, receiving Brock Creek from the right, then meeting with the Delaware River at its 138 river mile at an elevation of , resulting in an average slope of .

Municipalities
Bucks County
Lower Makefield Township
Yardley Borough

Crossings and Bridges