Mount Desert Rock Lighthouse
Location: Grass Island
Sponsored by: Shirley Robinson Family & Friends
Building Craftsmen:
Tower: Brian Cannon - "Rock of Ages Inc."
Lightroom: Club Volunteers
Light dedication: April 1, 2007
GPS: 34 26.80' N - 114 20.26' W
Beacon flash: Green
Flash sequence: 60 time per minute
Night Navigation
First Page
Lake Map
Build Progress
Future Lights
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
(Maine)