Wayfarrow

Isle Au Haut Light

Lighthouse · Knox County, Maine

Isle Au Haut Light Station, Isle au Haut, Maine.
Isle Au Haut Light Station, Isle au Haut, Maine. · Flickr user nschouterden / Wikimedia Commons · CC BY 2.0

Isle Au Haut Light is a lighthouse in Knox County, Maine. Maine has 70 lighthouses on record at Wayfarrow, 15 of them in Knox County.

It was built in 1907, in the early 20th century, making it the 58th oldest of the 61 in Maine with a recorded construction date; the tower stands about 40 feet tall (25th tallest of 53 measured in Maine); its light sits 49 feet above the water; the light characteristic is recorded as Fl R 4s (a red flash every 4 seconds), with a range of about 8 nautical miles.

Status check, 2026-11: Also called Robinson Point Light: a 24 ft granite base topped by a 16 ft brick shaft. Some sources give 48 ft, which is the focal plane, and Wikipedia says 39 ft. Ownership went to the Town of Isle au Haut in 1998, the tower was restored in 1999, and it is still an active aid to navigation. Isle Au Haut Light is listed on the National Register of Historic Places. It is not reachable by road: the nearest road is about 6 miles away, so it is seen from shore or reached by water. It stands at 44.0647° N, 68.6514° W.

Key facts

Current structure built1907
Tower height40 ft
Focal height49 ft
Light characteristicFl R 4s
Range8 nautical miles
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates44.06474, -68.65138

Open the location on a map

Nearby places

Questions

Where is Isle Au Haut Light?

Isle Au Haut Light is in Knox County, Maine, at 44.0647, -68.6514.

How many lighthouses are in Knox County?

Knox County, Maine has 15 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.