Wayfarrow

Seven Foot Knoll Light

Lighthouse · Baltimore County, Maryland

Seven Foot Knoll Light is a lighthouse in Baltimore County, Maryland. Maryland has 50 lighthouses on record at Wayfarrow, 9 of them in Baltimore County.

It was built in 1855, in the Civil War era, making it the 7th oldest of the 27 in Maryland with a recorded construction date; its light sits 56 feet above the water; the light characteristic is recorded as Fl WR 6s (a white and red flash every 6 seconds), with a range of about 12 nautical miles; it was deactivated in 1987.

Status check, 2026-11: The original 1855 screwpile lighthouse (a few sources say 1856) was moved in 1988 from the mouth of the Patapsco River to Pier 5, Baltimore Inner Harbor. It is now an inactive museum, and sources give its height as 40, 42 or 47 ft. Seven Foot Knoll Light is listed on the National Register of Historic Places. It stands at 39.2836° N, 76.6054° W.

Key facts

Current structure built1855
Focal height56 ft
Light characteristicFl WR 6s
Range12 nautical miles
Deactivated1987
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates39.28360, -76.60540

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Nearby places

Questions

Where is Seven Foot Knoll Light?

Seven Foot Knoll Light is in Baltimore County, Maryland, at 39.2836, -76.6054.

How many lighthouses are in Baltimore County?

Baltimore County, Maryland has 9 lighthouses on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.