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Cape Cod Canal Entrance Range Rear Lighthouse

Fl White 6s🇺🇸Sandwich, USOperational

Location & Light Range

About Cape Cod Canal Entrance Range Rear Lighthouse

This 16-meter square skeletal tower stands on the grounds of the Canal Generating Plant, about a mile southeast of the Cape Cod Canal's mouth. It displays a white light that flashes once every 6 seconds. The tower is red with a white vertical stripe, and a rectangular daymark shares this coloring. This rear range light functions with a front range light to guide vessels entering the canal. The structure includes a small metal equipment shelter at its base. It remains operational and is located near Sandwich.

Why it matters: This range rear light is indispensable for safe navigation through the Cape Cod Canal, a heavily trafficked shortcut connecting Cape Cod Bay and Buzzards Bay.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
17m
Geographic Range
12.4NM

Location

City
Sandwich
Country
🇺🇸United States
Region
Massachusetts
Sea Region
Cape Cod Canal, marking the entrance on the south side, approximately 1 mile southeast of the canal's mouth, situated within the Canal Generating Plant grounds.
Latitude
41.7706°
Longitude
-70.5117°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
16m
Tower Shape
skeletal
Tower Color
red with a white vertical stripe

Structure: A 16m square skeletal tower with a small metal equipment shelter at its base, featuring a rectangular daymark painted red with a white vertical stripe.

References & Identifiers

Nearest Port
Sandwich(0.3 km)
Admiralty No.
J0374.1
USCG No.
1-13085
ARLHS No.
USA-732
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Frequently Asked Questions

How do mariners identify Cape Cod Canal Entrance Range Rear Lighthouse at night?+
Cape Cod Canal Entrance Range Rear displays the characteristic Fl White 6s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Cape Cod Canal Entrance Range Rear Lighthouse guide vessels into?+
Cape Cod Canal Entrance Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is SANDWICH at 0.3 NM to the ENE. Other ports served include BUZZARDS BAY (5.3 NM WSW), BARLOW'S BOAT YARD (6.6 NM SW), ONSET TOWN PIER (6.8 NM WSW), Cataumet (7.3 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Cape Cod Canal Entrance Range Rear Lighthouse still active and maintained?+
Yes, Cape Cod Canal Entrance Range Rear 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 Cape Cod Canal Entrance Range Rear Lighthouse?+
Cape Cod Canal Entrance Range Rear 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 Cape Cod Canal Entrance Range Rear Lighthouse?+
You can track vessels near Cape Cod Canal Entrance Range Rear 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.