Minot's Ledge, also known as the Cohasset Rocks, is a

reef A reef is a ridge or shoal of rock, coral or similar relatively stable material, lying beneath the surface of a natural body of water. Many reefs result from natural, abiotic processes— deposition of sand, wave erosion planing down rock out ...

off the

harbor A harbor (American English), harbour (British English; see spelling differences), or haven is a sheltered body of water where ships, boats, and barges can be docked. The term ''harbor'' is often used interchangeably with ''port'', which is a ...

of Cohasset,

Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...

, 15 miles (24 kilometers) southeast of

Boston Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...

, Massachusetts. It is the site of the

Minot's Ledge Light Minot's Ledge Light, officially Minots Ledge Light, is a lighthouse on Minots Ledge, one mile offshore of the towns of Cohasset and Scituate, Massachusetts, to the southeast of Boston Harbor. It is a part of the Town of Cohassett, in Plymouth C ...

, completed in 1860 and considered one of the most significant American engineering achievements of the 19th century. It was constructed by installing pins through tons of granite blocks into the rocks beneath to form the 40-foot base of the tower. The lighthouse is still operating. It is located within the Town of Scituate, in Plymouth County.

References

Sources

* Cohasset, Massachusetts Landforms of Norfolk County, Massachusetts Landforms of Plymouth County, Massachusetts Reefs of the Atlantic Ocean Reefs of the United States Scituate, Massachusetts {{NorfolkCountyMA-geo-stub