Lime Kiln Light

Lime Kiln Light is a lighthouse in San Juan County, Washington. Washington has 31 lighthouses on record at Wayfarrow, 4 of them in San Juan County.

It was built in 1919, in the early 20th century, making it the 14th oldest of the 21 in Washington with a recorded construction date; the tower stands about 38 feet tall (8th tallest of 23 measured in Washington); its light sits 62 feet above the water; the light characteristic is recorded as Fl W 10s (a white flash every 10 seconds), with a range of about 17 nautical miles; it guards Haro Strait.

Status check, 2026-11: The light station was set up in 1914 with acetylene lights, but the current 38-ft concrete tower was first lit on June 30, 1919, so the record's 1914 date is the station's start, not the tower's. It is still an active aid to navigation in Lime Kiln Point State Park. Lime Kiln Light is listed on the National Register of Historic Places. It stands at 48.5158° N, 123.1520° W.

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