Île de Grâce Range Front Lighthouse
Location & Light Range
About Île de Grâce Range Front Lighthouse
The Île de Grâce Range Front light stands at the southwest end of Île de Grâce, marking a downstream range in the upper Lac St.-Pierre basin. This square pyramidal wood tower, constructed in 1928, stands 9 meters tall and is painted white with red trim. It replaced a single lighthouse built in 1871. The light emits a continuous green signal, visible for 11.3 nautical miles along the precise range line. An additional green passing light also operates. The site is open to the public, though the tower is closed.
Why it matters: This range front light is indispensable for safe navigation through the Lac St.-Pierre basin, a critical segment of the St. Lawrence Seaway. Its precisely aligned continuous green light ensures ships stay within the designated downstream channel.
Light & Optic
- Flash Type
- Fixed
- Light Color
- Green
- Interval
- 2s
- Raw Code
- F G
- Focal Height
- 13m
- Geographic Range
- 11.3NM
Construction & History
- Year Built
- 1928
Significant events: Replacement of a single lighthouse built in 1871
Visiting
- Open to public
- Site open, tower closed
Nearby Vessels
Tower & Structure
- Tower Height
- 9m
- Tower Shape
- square
- Tower Color
- white with red trim
- Material
- wood
Structure: square pyramidal wood tower, painted white with red trim
Location
- City
- Sainte-Anne-de-Sorel
- Country
- 🇨🇦Canada
- Region
- Quebec
- Sea Region
- Île de Grâce, at the upper (southwest) end of the island, marking a downstream range at the upper end of the Lac St.-Pierre basin, approximately 10 km northeast of Sorel
- Latitude
- 46.0690°
- Longitude
- -73.0503°
References & Identifiers
- Nearest Port
- Sorel(3.3 km)
- Admiralty No.
- H2426
- NGA No.
- 5104
- ARLHS No.
- CAN-1095
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