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Bonanza Leading Lighthouse

Iso White 4s🇪🇸Sanlúcar de Barrameda, ESOperational

Location & Light Range

About Bonanza Leading Lighthouse

Also known as: Bonanza Leading (former Range Front)

Built in 1865 and first lit the same year, the Bonanza Leading Lighthouse stands on the east bank of the Río Guadalquivir. It is situated at the south end of Bonanza's commercial dock area, on the estuary's first bend about 4 km northeast of Sanlúcar de Barrameda. The structure is an octagonal brick tower with a square base, standing 20 meters tall with the light at 23 meters. Its construction material is brick, and the tower is painted red. For many years, from 1897 to 1982, this lighthouse functioned as a front range light. After being deactivated in 1982, it was reactivated in 2008 with a new directional purpose. Its light is white and has an isophase characteristic on a 4-second cycle.

Why it matters: This lighthouse provides specific directional guidance for outbound vessels navigating the Río Guadalquivir estuary towards the sea.

Light & Optic

Characteristic Signature
Iso White 4s
Flash Type
Isophase
Light Color
White
Interval
4s
Raw Code
Iso W 4s
Focal Height
23m
Geographic Range
13.8NM

Construction & History

Year Built
1865

Significant events: Served as front range light 1897-1982, deactivated 1982, inactive 1982-2008, reactivated 2008 with new directional purpose

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
20m
Tower Shape
square
Tower Color
red brick
Material
brick

Structure: octagonal brick tower on a square base

Location

City
Sanlúcar de Barrameda
Country
🇪🇸Spain
Region
Andalusia
Sea Region
South end of the commercial dock area in Bonanza, on the east bank of the Río Guadalquivir at the first bend in the estuary, about 4 km northeast of Sanlúcar de Barrameda
Latitude
36.8029°
Longitude
-6.3358°

References & Identifiers

Nearest Port
Chipiona(5.6 km)
ARLHS No.
SPA-073
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Frequently Asked Questions

How do mariners identify Bonanza Leading Lighthouse at night?+
Bonanza Leading displays the characteristic Iso White 4s. 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 Bonanza Leading Lighthouse guide vessels into?+
Bonanza Leading Lighthouse assists vessels approaching 5 nearby ports. The closest is SANLUCAR DE LA BARRA at 1.1 NM to the SW. Other ports served include CHIPIONA (5.6 NM SW), Trebujena (9 NM ENE), Rota (11.1 NM S), SANTA MARIA (13.8 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Bonanza Leading Lighthouse still active and maintained?+
Yes, Bonanza Leading 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 Bonanza Leading Lighthouse?+
Bonanza Leading Lighthouse is located within the Strait of Gibraltar — the gateway between the Atlantic Ocean and the Mediterranean Sea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Bonanza Leading Lighthouse?+
You can track vessels near Bonanza Leading 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.