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Lónghuá Gǎng Lighthouse

Fl (3) Green 10s🇨🇳杨思, CNOperational

Location & Light Range

About Lónghuá Gǎng Lighthouse

Lónghuá Gǎng is a white cylindrical lighthouse located on the west bank of the Huángpǔ River in the Lónghuá neighborhood of Yangsi, China. Standing 43 meters tall, its focal height reaches 48 meters. The structure consists of a round tower supporting a two-story observation structure. It emits a green light with a characteristic of one flash every 10 seconds, visible for a geographic range of 18.4 nautical miles. The lighthouse is situated 14.3 kilometers from the nearest port, Shanghai.

Why it matters: This lighthouse was instrumental in guiding river traffic along the Huángpǔ River. Its unique two-story observation structure atop the tower distinguishes its architecture.

Light & Optic

Characteristic Signature
Fl (3) Green 10s
Flash Type
Flashing
Light Color
Green
Flash Count
3 flashes
Interval
10s
Raw Code
Fl G 10s
Focal Height
48m
Geographic Range
18.4NM

Location

City
杨思
Country
🇨🇳China
Sea Region
west bank of the Huángpǔ River in the Lónghuá neighborhood
Latitude
31.1775°
Longitude
121.4619°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
43m
Tower Shape
cylindrical
Tower Color
white

Structure: round tower supporting a 2-story observation structure

References & Identifiers

Nearest Port
Shanghai(14.3 km)
Admiralty No.
P3786.5.
NGA No.
CN-2251.4
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Frequently Asked Questions

How do mariners identify Lónghuá Gǎng Lighthouse at night?+
Lónghuá Gǎng displays the characteristic Fl (3) Green 10s — 3 green flashes every 10 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Lónghuá Gǎng Lighthouse guide vessels into?+
Lónghuá Gǎng Lighthouse assists vessels approaching 5 nearby ports. The closest is Shanghai at 3.5 NM to the NNE. Other ports served include Pudong/Shanghai (3.9 NM NNE), MINHANG (11.1 NM SSW), Shanghai Pt (13.8 NM NE), Baoshan Pt (14.4 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Lónghuá Gǎng Lighthouse still active and maintained?+
Yes, Lónghuá Gǎng 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 Lónghuá Gǎng Lighthouse?+
You can track vessels near Lónghuá Gǎng 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.