Achter Kol, New Netherland

Map c.1634 (with North to the right). Achter Col is described as Rivieren achter Kol, or rivers behind the ridge or "rivers of the rear pass".

Achter Kol (or Achter Col) was the name given to the region around the Newark Bay and Hackensack River in northeastern New Jersey by the first European settlers to it and was part of the 17th century province of New Netherland, administered by the Dutch West India Company. At the time of their arrival, the area was inhabited by the Hackensack and Raritan groups of Lenape natives.