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Dàjíshān Lighthouse

Fl (2) White 10s🇨🇳Shengsi County, CNOperational

Location & Light Range

About Dàjíshān Lighthouse

Also known as: Dàjíshān (Ta-chi Shān, Gutzlaff Island)

The Dàjíshān Lighthouse, a cylindrical tower with a ceramic tile exterior, was built in 1994. Standing 24 meters tall, it emits a white flash every 10 seconds, visible for 24 nautical miles. The lighthouse is situated on an isolated rocky islet, marking the northern entry to Hángzhōu Bay, approximately 25 km east-southeast of Nanhuijiao and 30 km west-northwest of Sìjiāo. The current structure replaced a brick tower built in 1958, which itself succeeded earlier lights dating back to 1900. The lighthouse also features a square vessel traffic control room.

Why it matters: This lighthouse is indispensable for maritime navigation, specifically guiding vessels through the northern entrance of Hángzhōu Bay, a critical shipping route. Its integrated square vessel traffic control room highlights its dual function beyond mere illumination, actively managing the flow of ships in a busy and potentially hazardous area.

Light & Optic

Characteristic Signature
Fl (2) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
92m
Light Range
20NM (37.0 km)
Geographic Range
24NM

Construction & History

Year Built
1994

Significant events: Original tower replaced in 1900, 1900 tower damaged/destroyed in World War II, brick tower built in 1958, current tower built in 1994

References & Identifiers

Nearest Port
Yangshan(12.4 km)
Admiralty No.
P3748
NGA No.
18868
Wikidata
Q115046212 →

Tower & Structure

Tower Height
24m
Tower Shape
cylindrical
Tower Color
red
Material
ceramic tile

Structure: octagonal cylindrical tower with lantern and a square vessel traffic control room

Location

City
Shengsi County
Country
🇨🇳China
Region
Zhejiang
Sea Region
Located atop an isolated rocky islet, marking the northern entrance to Hángzhōu Bay, approximately 25 km east southeast of Nanhuijiao (Cape Yangtze) and 30 km west northwest of Sìjiāo.
Latitude
30.8102°
Longitude
122.1731°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Dàjíshān Lighthouse be seen?+
With a focal height of 92 meters and a nominal range of 20 nautical miles (approximately 37.0 km), Dàjíshān is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. Lights of this range are typically used as landfall lights by vessels approaching from the open sea.
How do mariners identify Dàjíshān Lighthouse at night?+
Dàjíshān displays the characteristic Fl (2) White 10s — 2 white 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Dàjíshān Lighthouse guide vessels into?+
Dàjíshān Lighthouse assists vessels approaching 5 nearby ports. The closest is Yangshan at 12.4 NM to the SSW. Other ports served include Yangshan (12.4 NM SSW), Maji Shan (15.9 NM ESE), Lü-hua Shan (22 NM E), Nanhui (27.4 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Dàjíshān Lighthouse still active and maintained?+
Yes, Dàjíshān 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 Dàjíshān Lighthouse?+
You can track vessels near Dàjíshān 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.