THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
2 entries match your criteria.  

 
 

Historical Markers in Mountainside

 
Clickable Map of Union County, New Jersey and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Union County, NJ (145) Essex County, NJ (222) Hudson County, NJ (175) Middlesex County, NJ (332) Morris County, NJ (426) Somerset County, NJ (179) Richmond County, NY (322)  UnionCounty(145) Union County (145)  EssexCounty(222) Essex County (222)  HudsonCounty(175) Hudson County (175)  MiddlesexCounty(332) Middlesex County (332)  MorrisCounty(426) Morris County (426)  SomersetCounty(179) Somerset County (179)  RichmondCountyNew York(322) Richmond County (322)
Elizabeth is the county seat for Union County
Mountainside is in Union County
Union County (145)  ►
ADJACENT TO UNION COUNTY
Essex County (222)  ►
Hudson County (175)  ►
Middlesex County (332)  ►
Morris County (426)  ►
Somerset County (179)  ►
Richmond County, New York (322)  ►
 
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1 ► New Jersey, Union County, Mountainside — Copper Mine — Watchung Reservation History Trail — Union County - We're Connected to You! —
Exploration for copper in this area of the First Watchung Mountain may date back to at least the 1600's. Crushed ore may have been used for tools and decoration by the Lenape tribe of Native Americans. Another story holds that Hessian soldiers held . . . — — Map (db m196982) HM
2 ► New Jersey, Union County, Mountainside — Lake Surprise Bathhouse —
In the early years of the Watchung Reservation, park visitors could swim at a beach along the lake shore behind you, and could change into swim suits at a bathhouse at this location. Aquatic carnivals at the lake drew hundreds of participants for . . . — — Map (db m213767) HM
 
 
  
  
  
 
 
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Nov. 12, 2026