• Park grounds open daily sunrise to sunset
  • Museum: Weekends, April - November, 1 - 4 pm
  • Public Tours: 2nd Saturday of the month, April - November
  • Group tours available year round by arrangement
  • Group tours available by arrangement
  • Interpretive displays
  • Museum
  • nearby hiking trails
  • Museum: suggested donation of $3/adult and $1/child
  • Grounds: free

Long Pond Iron Works

Greenwood Lake Turnpike, West Milford, NJ 07421


Long Pond Ironworks was founded in 1766 by German ironmaster Peter Hasenclever, who brought 500 ironworkers and their families from Germany to build an ironworks "plantation," including a furnace, forge, houses, shops and farms. The works produced iron for the Continental Army, for the American forces in the War of 1812, and for the Union Army during the Civil War. Operations at the site ceased in 1882 due to the industry-wide conversion to anthracite furnaces using Pennsylvania coal.

The remnants of the ironmaking industrial structures at the site date from the 18th and 19th centuries. Furnaces, casting house ruins, charging areas, ice houses, waterwheels and other structures are a part of the remains. The "Old Country Store" has been renovated and now houses the Long Pond Ironworks Museum.


  • Visit the Long Pond Iron Works Museum
  • Take a guided tour of the remains of the iron works
  • Walk the trails through Long Pond Ironworks State Park
  • The nearby Monksville Reservoir and Green Turtle Pond offer boating and fishing opportunities

Journey through Jersey strives to have the most up-to-date information, but always check with the site itself before planning a visit.

Photos courtesy Friends of Long Pond Iron Works