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Ten Pound Island Lighthouse

Iso R 6s🇺🇸Northern Massachusetts, USInactive

Location & Light Range

About Ten Pound Island Lighthouse

This red lighthouse was constructed in 1821 in Northern Massachusetts. The tower measures 9 meters in height, with its focal plane situated at 17.5 meters above the water. It originally displayed an isophase red light with a geographic range of 5 nautical miles. The station is no longer operational and has been disused for some time. The structure is notable for its red exterior.

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

Light & Optic

Characteristic Signature
Iso R 6s
Flash Type
Isophase
Light Color
Red
Flash Count
1 flash
Interval
6s
Raw Code
Iso
Focal Height
17.5m
Geographic Range
5NM

Construction & History

Year Built
1821
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Admiralty No.
LLNR 9895
Wikipedia
Read on Wikipedia →
Wikidata
Q7699292 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
9m
Tower Color
red

Location

City
Northern Massachusetts
Country
🇺🇸US
Latitude
42.6018°
Longitude
-70.6655°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ten Pound Island Lighthouse at night?+
Ten Pound Island displays the characteristic Iso R 6s — 1 red flash every 6 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Ten Pound Island Lighthouse guide vessels into?+
Ten Pound Island Lighthouse assists vessels approaching 5 nearby ports. The closest is Gloucester at 0.1 NM to the SSW. Other ports served include LONG WHARF CAUSEWAY (2.7 NM NNW), Annisquam Harbour (3 NM NNW), IPSWICH BAY (8.6 NM NW), South Hamilton (8.9 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ten Pound Island Lighthouse still active and maintained?+
Ten Pound Island Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
How can I track vessels near Ten Pound Island Lighthouse?+
You can track vessels near Ten Pound Island 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.