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Itapuã da Lagoa Lighthouse

Fl White 6s🇧🇷Viamão, BROperational

Location & Light Range

About Itapuã da Lagoa Lighthouse

The Itapuã da Lagoa lighthouse, erected in 1860, features an octagonal brick tower reaching 13 meters in height, with its light source at 17 meters. It is located at the northern gateway to the Lagoa dos Patos, marking the Canal da Itapuã which leads toward Porto Alegre. The tower is integrated with one-story former dwelling quarters. Its light produces a white flash every 6 seconds, observable up to 12.4 nautical miles. Following a restoration in 2002 as part of the Parque Estadual de Itapuã, the site is accessible to visitors.

Why it matters: Built in 1860, Itapuã da Lagoa serves as a navigation aid for ships entering the primary waterway to Porto Alegre. Its preservation within a state park also supports educational initiatives.

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

Construction & History

Year Built
1860
Heritage Status
restored as part of a state park, the Parque Estadual de Itapuã (2002)

Significant events: Transferred to state government and restored as part of a state park (2002)

Visiting

Open to public
Yes

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
octagonal
Tower Color
white
Material
brick

Structure: octagonal brick tower rising from 1-story keeper's houses

Location

City
Viamão
Country
🇧🇷Brazil
Region
Rio Grande do Sul
Sea Region
Located at the northern end of the Lagoa dos Patos, on the east side of the entrance to the narrow channel (the Canal da Itapuã) leading to Porto Alegre, the capital of Rio Grande do Sul.
Latitude
-30.3852°
Longitude
-51.0596°

References & Identifiers

Nearest Port
Porto Alegre(23.5 km)
Admiralty No.
G0633
NGA No.
110-18946
ARLHS No.
BRA-142
Wikidata
Q3378162 →
OpenStreetMap
View on OSM →
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Frequently Asked Questions

How do mariners identify Itapuã da Lagoa Lighthouse at night?+
Itapuã da Lagoa 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 Itapuã da Lagoa Lighthouse guide vessels into?+
Itapuã da Lagoa Lighthouse assists vessels approaching 5 nearby ports. The closest is Guaíba at 21.2 NM to the NW. Other ports served include Porto Alegre (24 NM NNW), Canoas (28.7 NM N), SANTA CLARA (33.3 NM NNW), Charqueadas (39 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Itapuã da Lagoa Lighthouse still active and maintained?+
Yes, Itapuã da Lagoa 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 Itapuã da Lagoa Lighthouse?+
You can track vessels near Itapuã da Lagoa 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.