Simonson Brook (New Jersey)
river in New Jersey, United States
Simonson Brook, also known as Sunonson Brook, is a tributary of the Millstone River in southern Franklin Park, Somerset County, New Jersey in the United States. Historically it was also known as Simonson's Brook, named for the Simonson family that had settled in the area prior to the construction of the Delaware and Raritan Canal.
Course
Simonson Brook starts at 40°24′58″N 74°35′29″W, in southwestern Franklin Park near Route 27. It has several tributaries draining the area near Route 27. It runs through two housing developments then runs into the woods and flows near Bunker Hill Road, passing through the Bunker Hill Environmental Center and the Griggstown Native Grassland Preserve. It then crosses under Canal Road and under the Delaware and Raritan Canal, before draining into the Millstone River at 40°26′21″N 74°37′3″W.
The brook passes under the Delaware and Raritan Canal through a double stone arch culvert constructed at the same time as the canal itself in the early 1830s.
Simonson Brook is smaller than its fellow brooks, the Ten Mile Run and the Six Mile Run. Many of its stream beds are dry in summer.
Accessibility
Simonson Brook can be accessed by trails in the Griggstown Native Grassland Preserve, part of the Ten Mile Run Greenway. It also crosses several roads, such as Barbieri Court and Ridings Parkway.
The public source identifies “Simonson Brook (New Jersey)” as river in New Jersey, United States. This brief keeps that definition visible, then builds a research path around Simonson, Brook and Jersey.
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Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Aug 5, 2026. The linked authority identifier is Q14705872. Authority coordinates are 40.439, -74.618. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
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This entry incorporates text from “Simonson Brook (New Jersey)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.