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New London Ledge Lighthouse

Fl (4) WR 30s🇺🇸Connecticut, USOperational

Location & Light Range

About New London Ledge Lighthouse

Constructed in 1909, this lighthouse stands 18 meters tall with a focal height of 17.5 meters. Its light displays both white and red flashes. Automation of the light occurred in 1987. The structure was added to the National Register of Historic Places in 1990. It is managed by the New London Maritime Society.

Why it matters: This lighthouse is listed on the National Register of Historic Places.

Background
New London Ledge Lighthouse is a lighthouse on the Thames River in the U.S. state of Connecticut, at the mouth of New London Harbor. It was built in 1909 in the Second Empire style and was automated in 1987. In 1990, it was added to the National Register of Historic Places. The lighthouse is owned and maintained by the New London Maritime Society as part of the National Historic Lighthouse Preservation Act program.

Light & Optic

Characteristic Signature
Fl (4) WR 30s
Flash Type
Flashing
Light Color
WR
Flash Count
4 flashes
Interval
30s
Focal Height
17.5m

Construction & History

Year Built
1909
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q12063850 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
18m

Location

City
Connecticut
Country
🇺🇸US
Latitude
41.3059°
Longitude
-72.0775°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify New London Ledge Lighthouse at night?+
New London Ledge displays the characteristic Fl (4) WR 30s — 4 wr flashes every 30 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The wr color may indicate a specific sector or warning zone.
Which ports and harbors does New London Ledge Lighthouse guide vessels into?+
New London Ledge Lighthouse assists vessels approaching 5 nearby ports. The closest is New London-Groton Apt at 2.7 NM to the N. Other ports served include New London (2.9 NM N), FISHERS ISLAND (3.9 NM SE), NOANK SHIPYARD (4.1 NM E), Noank (4.4 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is New London Ledge Lighthouse still active and maintained?+
Yes, New London Ledge Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near New London Ledge Lighthouse?+
New London Ledge Lighthouse is located within the US East Coast shipping lane — a major shipping corridor serving ports along the Atlantic seaboard of the United States. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near New London Ledge Lighthouse?+
You can track vessels near New London Ledge Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.