Bear Brook is a

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

Pascack Brook Pascack Brook is a tributary of the Hackensack River in Bergen County, New Jersey, United States. History At least one late 18th-century map calls the brook "Great Pascack River." Its tributary Musquapsink Brook is shown as "Little Pascack Rive ...

New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...

. It joins with the Pascack at the

Woodcliff Lake Reservoir Woodcliff Lake is the name of a reservoir in Woodcliff Lake and portions of Hillsdale and Park Ridge, in Bergen County, New Jersey, United States. It was created circa 1903 by damming the Pascack Brook and is also fed by the Bear Brook which ...

and forms part of the border between Park Ridge and Woodcliff Lake. The brook flows through portions of

Bergen County Bergen County is the List of counties in New Jersey, most populous County (United States), county in the U.S. state of New Jersey.Rockland County Rockland County is the southernmost county on the west side of the Hudson River in the U.S. state of New York. It is part of the New York metropolitan area. As of the 2020 U.S. census, the county's population is 338,329, making it the state's ...

New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...

. In Park Ridge, a park named Atkins Glen surrounds a portion of the brook and is home to several shallow caverns, in some of which

Native American Native Americans or Native American usually refers to Native Americans in the United States. Related terms and peoples include: Ethnic groups * Indigenous peoples of the Americas, the pre-Columbian peoples of North, South, and Central America ...

artifacts have been found.

See also