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Lóngyǎnjiāo Lighthouse

Fl (4) White 12s🇨🇳Dongtou District, CNOperational

Also known as: Lóngyǎnjiāo (Longanjiao)

This cylindrical concrete lighthouse, built in 1960, stands 12.5 meters tall on a dangerous reef approximately 10 kilometers southwest of Níyǔshān. Its hexagonal structure is covered with white ceramic tiles, and it emits a white light that flashes once every 12 seconds. Located on the approach to Wēnzhōu from the southeast, this navigational aid warns vessels away from submerged hazards. The lighthouse station was first established in 1955, with the current tower being lit five years later. Its focal height reaches 12 meters, providing a geographic range of 11 nautical miles.

Why it matters: This lighthouse is critical for maritime safety, specifically guiding ships approaching Wēnzhōu from the southeast and warning them of a dangerous reef in a busy shipping route.

Characteristic Signature
Fl (4) White 12s
Flash Type
Flashing
Light Color
White
Flash Count
4 flashes
Interval
12s
Raw Code
Fl W 12s
Focal Height
12m
Geographic Range
11NM
Year Built
1960

Significant events: station established 1955

Nearest Port
Wenzhou(9.1 km)
Admiralty No.
P3657.75.
NGA No.
CN-2793
Tower Height
12.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: hexagonal cylindrical concrete tower with gallery, covered with white ceramic tiles

City
Dongtou District
Country
🇨🇳China
Region
Zhejiang
Sea Region
Located on a dangerous reef on the approach to Wēnzhōu from the southeast, about 10 km (6 mi) southwest of Níyǔshān.
Latitude
27.8130°
Longitude
120.9434°
Flag
Type
Name
Dist.
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How do mariners identify Lóngyǎnjiāo Lighthouse at night?+
Lóngyǎnjiāo displays the characteristic Fl (4) White 12s — 4 white flashes every 12 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Lóngyǎnjiāo Lighthouse guide vessels into?+
Lóngyǎnjiāo Lighthouse assists vessels approaching 5 nearby ports. The closest is Zhuangyuanao at 10.1 NM to the ENE. Other ports served include Wenzhou (12.7 NM NW), Ruian (16.6 NM WSW), Damaiyu (19.6 NM NE), Shanwai (19.7 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Lóngyǎnjiāo Lighthouse still active and maintained?+
Yes, Lóngyǎnjiāo 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.
How can I track vessels near Lóngyǎnjiāo Lighthouse?+
You can track vessels near Lóngyǎnjiāo 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.