Location: Thames River, entrance to New London Harbor
Nearest city: Groton
41 18 18 N
72 04 42 W
MapQuest Link
Accessibility: The lighthouse is best seen by boat.
Tours are available through Project
Oceanology.
Station established: 1909
Present lighthouse built: 1909
Automated: 1987
Construction materials: Brick, granite
Height of focal plane: 58 feet
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Active U.S. Coast Guard aid to navigation.
Maintained by:
Original optic: Fourth-order Fresnel (now at Custom
House Museum of Maritime History in New London)
Present optic: VRB-25
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- Characteristic: Three white flashes and one red flash
every 30 seconds
- Fog signal: Two blasts every 20 seconds
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