Mongaup River
Mongaup River is a stream in the U.S. state of New York. It is a tributary to the Delaware River.
Mongaup is a name derived from an Indian language meaning perhaps "dancing feather" or "huckeberry valley". Variant spellings have been "Mangawping River", "Mingwing River", "Mon-gaw-ping River" and "Mongaap River".
