Minot Ledge Light, Boston Harbor

Location: Cohasset Rocks, outside Boston Harbor Nearest towns: Scituate and Cohasset Position: 42°16’12″N 70°45’30″W Station established: 1850; Present lighthouse built: 1860; Automated: 1947 Tower height: 114 feet; Height of focal plane: 85 feet Earlier optic: Second-order Fresnel (1860), Third-order Fresnel (1947); Present optic: 300 mm (solar powered) Characteristic: Flashing white (1-4-3); Fog signal: One blast … Continue reading