Doane Rock is a

glacial erratic A glacial erratic is glacially deposited rock differing from the type of rock native to the area in which it rests. Erratics, which take their name from the Latin word ' ("to wander"), are carried by glacial ice, often over distances of hundred ...

located in Eastham, Massachusetts on the grounds of the Cape Cod National Seashore. It is the largest exposed boulder on Cape Cod. It stands 18 feet (5.5 m) high and extends below the ground an estimated 12 feet (3.7 m). This boulder is named after Deacon John Doane, one of Eastham's original settlers. It has also been called Enochs or Enos rock for the deacon's son, as well as Great Rock. The rock was left by the glaciers (

Laurentide Ice Sheet The Laurentide Ice Sheet was a massive sheet of ice that covered millions of square miles, including most of Canada and a large portion of the Northern United States, multiple times during the Quaternary glacial epochs, from 2.58 million years a ...

; 18,000–12,000 years ago) between what is now the Salt Pond Visitors Center and Coast Guard Beach. Doane Rock is located just off Doane Road about one mile past the Salt Pond Visitor Center on National Park Service land. Limited parking is available near the rock.

References

"A Geologist's View of Cape Cod", by Arthur Newell Strahler Landforms of Barnstable County, Massachusetts Landmarks in Barnstable County, Massachusetts Glacial erratics of Massachusetts Massachusetts natural resources Cape Cod National Seashore {{BarnstableCountyMA-geo-stub