Cape Henlopen State Park is a 5,193-acre park on the Atlantic coast of Delaware USA at the mouth of Delaware Bay. William Penn made it one of the first public lands established in the United States in 1682 with the declaration that Cape Henlopen would be for "the usage of the citizens of Lewes and Sussex County." During WWII the U.S. Army built Fort Miles at Cape Henlopen. Numerous bunkers, concrete observation towers and the pier that was built to accommodate the laying of mines on the harbor floor remain today.

  • 1767-9 Construction of the Cape Henlopen Lighthouse completed at the Great Dune - the sixth lighthouse on American soil. This construction was funded by the merchants of Philladelphia.
  • 1777 the Cape Henlopen Lighthouse was gutted by fire
  • 1784 the Cape Henlopen Lighthouse was repaired and returned to active duty
  • 1824 The Cape Henlopen Beacon was constructed on a 45-foot tower about a mile north of the Cape Henlopen Lighthouse.
  • 1855 Construction of the Delaware Breakwater East End Lighthouse completed.
  • 1862 William Penn designates the area as public land.
  • 1869 Construction of the Delaware Breakwater West End Lighthouse and stone breakwater barrier completed.
  • 1885 The steel Strickland Lighthouse replaces the lighthouse on the inner breakwater.
  • 1901 Construction of the 8,000-foot-long outer stone breakwater barrier completed.
  • 1903 The Strickland Lighthouse is retired from service.
  • 1920 Cape Henlopen Lighthouse badly damaged by a storm.
  • 1924 Cape Henlopen Lighthouse abandoned - lens removed.
  • 1926 (April 13) Cape Henlopen Lighthouse collapsed due to movement of Great Dune.
  • 1941 U.S. Army established Fort Miles at Cape Henlopen.
  • 1950 The Delaware Breakwater Lighthouse demolished and the East End Lighthouse was automated.
  • 1964 The U.S. Department of Defense declared 543 acres as surplus property and the State of Delaware established Cape Henlopen State Park.
  • 1978 The Fenwick Lighthouse is decommissioned.
  • Gordon's Pond Wildlife Area established
  • 1982 The State of Delaware assumed ownership of the Fenwick lighthouse and it was electrified and returned to operation.
  • 1997 The State of Delaware purchased the East End lighthouse and placed it on the National Register of Historic Places.

National Harbor of Refuge, outer breakwater off Cape Henlopen. All metal, built in 1926 and automated in 1973. Maintained by US Coast Guard. Visible from Cape May-Lewes Ferry.

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