Grotto Point Light
Location | Balgowlah Heights New South Wales Australia |
---|---|
Coordinates | 33°49′3.97″S 151°15′41.64″E / 33.8177694°S 151.2615667°E |
Tower | |
Constructed | 1910 |
Construction | masonry and brick tower[2] |
Height | 26 feet (8 m)[1] |
Shape | cylindrical tower with domed roof |
Markings | white tower |
Operator | Sydney Harbour National Park |
Light | |
First lit | 1911 |
Focal height | 61 feet (19 m) |
Lens | catadioptric lens |
Range | white :12 nautical miles (22 km; 14 mi) red / green: 9 nautical miles (17 km; 10 mi) |
Characteristic | flashing(4) WRG 15s. white on range, red right, green left, obscured other |
Grotto Point Light, also known as Port Jackson Entrance Range Front Light, is an active lighthouse located at Grotto Point, a rocky headland at the southernmost tip of Balgowlah Heights, New South Wales, Australia, on the north side of Sydney Harbour. It serves as the front range light, Rosherville Light serving as the rear light, into Port Jackson. Rosherville Light is located almost exactly 1 mile (1.6 km) (1,690 yards (1,550 m) to be exact) behind Grotto Point Light.
History
The decision to build the range lights was taken in 1909. Construction began in 1910 and the light was first lit on September 1, 1911. It is one of four lighthouses in a style sometimes called "Disney Castle", the others being Rosherville Light, Vaucluse Bay Range Front Light and Vaucluse Bay Range Rear Light.[3]
The original light source was a carbide lamp (acetylene gas) which was initially generated on-site, and later replaced by compressed gas cylinders brought by boat.[4]
Later, the light was electrified and connected to the mains electricity.
Structure
The structure is a masonry and brick domed tower, attached to two barrel-vaulted service sections in decreasing heights, all painted white. The structure is surrounded by a white picket fence. The light is shone through a 2 by 1 metre (6.6 ft × 3.3 ft) horizontal slit, about two-thirds of the way up the tower.
The lens is a catadioptric apparatus.
Site operation
The light is operated by the Sydney Ports corporation while the site is managed by the Department of Environment, Climate Change and Water as part of the Sydney Harbour National Park.[4]
Visiting
The site is accessible by a short hike from Castle Rock track. The grounds are open but the tower is closed to the public.
See also
References and notes
- ^ According to The Lighthouse Directory and the fact-sheet. "SeaSide Lights" says 13 feet (4.0 m)
- ^ According to the fact-sheet. Concrete according to The Lighthouse Directory.
- ^ Morcombe, John (7 August 2015). "The master mariner who was a leading light behind the leading line". The Daily Telegraph. Retrieved 11 March 2022.
- ^ a b "Grotto Point Lighthouse". Lighthouses of Australia Inc. 21 January 2018. Retrieved 8 October 2023.
- List of Lights, Pub. 111: The West Coasts of North and South America (Excluding Continental U.S.A. and Hawaii), Australia, Tasmania, New Zealand, and the Islands of the North and South Pacific Oceans (PDF). List of Lights. United States National Geospatial-Intelligence Agency. 2009. p. 126.
- Rowlett, Russ. "Lighthouses of Australia: Southern New South Wales". The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 29 August 2010.
- Searle, Garry. "List of Lighthouses - New South Wales". Lighthouses of Australia. SeaSide Lights.
- "Grotto Point Lighthouse fact-sheet". Manly Council.[permanent dead link]
External links
- Media related to Grotto Point Light at Wikimedia Commons
- "List of Lighthouses of New South Wales". Lighthouses of Australia. Lighthouses of Australia Inc.
- "Grant and Tracey's Lighthouse Pages – Grotto Point Light". maizels.nu.
- John MacRitchie – Manly Library (2008). "Grotto Point lighthouse". Dictionary of Sydney. Retrieved 7 October 2015. [CC-By-SA]
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