Rockaway River

Rockaway River
Rockaway River in Denville
Map of the Passaic/Hackensack watershed
Location
Country	United States
State	New Jersey
County	Morris County
Physical characteristics
Source
• location	Oak Ridge
• coordinates	41°01′52″N 74°28′21″W / 41.03111°N 74.47250°W / 41.03111; -74.47250
Mouth	Passaic River
• location	Pine Brook
• coordinates	40°50′58″N 74°19′49″W / 40.84944°N 74.33028°W / 40.84944; -74.33028
Basin features
River system	Passaic River
GNIS feature ID	879755[1]

The Rockaway River is a tributary of the Passaic River, approximately 35 mi (56 km) long, in Morris County, New Jersey in the United States. The upper course of the river flows through a wooded mountainous valley, whereas the lower course flows through the populated New Jersey suburbs and former industrial area west of New York City. It drains an area of approximately 130 sq mi (340 km²).