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Rocky Brook facts for kids

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Rocky Brook
Rocky Brook, New Jersey (map).jpg
Map of Rocky Brook
Country United States
Physical characteristics
Main source 40°13′8″N 74°24′37″W / 40.21889°N 74.41028°W / 40.21889; -74.41028
River mouth 79 ft (24 m)
40°17′18″N 74°32′23″W / 40.28833°N 74.53972°W / 40.28833; -74.53972
Basin features
Progression Millstone River, Raritan River, Atlantic Ocean
River system Raritan River system
Tributaries

Rocky Brook is a small river, also called a tributary, that flows into the Millstone River in New Jersey, USA. It runs through parts of Monmouth and Mercer counties. This brook is an important part of the larger Raritan River system.

Journey of Rocky Brook

Rocky Brook begins its journey near Perrineville at 40°13′8″N 74°24′37″W / 40.21889°N 74.41028°W / 40.21889; -74.41028. This starting point is often called the headwaters.

Flowing Through Lakes

Perrineville Lake
Perrineville Lake, where Rocky Brook begins its flow.

The brook first flows next to a road called CR-1 (Sweetmans Lane). Then, it empties into a place called Perrineville Lake. After leaving the lake, it continues flowing west into the northern parts of Perrineville Lake Park.

The brook then turns towards the northwest. It crosses Perrineville Road and goes through the Etra Road Open Space area. Next, it crosses Disbrow Hill Road and flows into Etra Lake at 40°15′13″N 74°29′59″W / 40.25361°N 74.49972°W / 40.25361; -74.49972.

Hightstown Waterfall (Rocky Brook)
A waterfall from Peddie Lake, fed by Rocky Brook.

Rocky Brook keeps flowing west, following Etra Road. It then passes under the New Jersey Turnpike. After this, it flows into Peddie Lake, which is right in the middle of Hightstown.

Reaching the Millstone River

The brook crosses Route 33 and flows past the Town Center Plaza. It then crosses Route 130 and the Hightstown Bypass. Finally, it flows alongside the East Windsor Open Space Acquisition area before joining the Millstone River at 40°17′18″N 74°32′23″W / 40.28833°N 74.53972°W / 40.28833; -74.53972.

Other Waterways Connected to Rocky Brook

Rocky Brook has other smaller streams and lakes that are part of its system.

Tributaries of Rocky Brook

A tributary is a smaller stream or river that flows into a larger one. Rocky Brook has one main tributary:

Lakes Along the Brook

Several notable lakes are found along the path of Rocky Brook:

  • Perrineville Lake: Located in Millstone.
  • Lake Etra: Found in East Windsor.
  • Peddie Lake: Located in Hightstown. This lake gets its name from the nearby Peddie School.
Lake Etra
Lake Etra, one of the lakes along Rocky Brook.

Other Streams in the Area

Rocky Brook is part of a larger network of streams that flow into the Millstone River. These are sometimes called "sister tributaries." Some of these include:

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Rocky Brook Facts for Kids. Kiddle Encyclopedia.