Location: About 20 miles south of Mount Desert Island
Nearest town: Frenchboro, Maine
Station established: 1830
Present lighthouse built: 1847
Automated: 1977
Construction material: Granite,
Height of tower: 58 feet;
Height of focal plane: 75 feet
Accessibility: The lighthouse is used as a whale research station and is not open to the general public. It is best viewed by boat.
Active U.S. Coast Guard aid to navigation – maintained by College of the Atlantic 105 Eden St. Bar Harbor, ME 04609
Original optic: Third order Fresnel (1858); Present optic: VRB-25
Characteristic: Flashing white every fifteen seconds
Fog signal: Two blasts every 30 seconds.
Mount Desert Rock Lighthouse Replica
Sponsored by: Shirley Robinson Family & Friends
Building Craftsmen:
Tower: Brian Cannon – “Rock of Ages Inc.”
Lightroom: Club Volunteers
Light dedication: April 1, 2007
GPS: 34º 26′ 47.77″ N – 114º 20′ 14.83″ W
Beacon: Green – Flash: 20 times per minute.
Location: Grass Island on the California side of the lake.