The Spencer Gulf is the westernmost and larger of two large inlets (the other being Gulf St Vincent ) on the southern coast of Australia , in the state of South Australia , facing the Great Australian Bight . It spans from the Cape Catastrophe and Eyre Peninsula in the west to Cape Spencer and Yorke Peninsula in the east.
33-615: The Point Lowly lighthouse was constructed in 1883 to guide ships safely through Spencer Gulf en route to Port Augusta and Port Pirie in South Australia . It was upgraded several times before being deactivated in 1993. It was reactivated in 1995 and is a tourist attraction for the Whyalla area and an icon of the Point Lowly area. The lighthouse at Point Lowly was constructed in 1883 to guide ships traversing Spencer Gulf , en route to
66-617: A state heritage place on the South Australian Heritage Register since 11 November 1999. In 1995, the light was reactivated after community appeal and remains under the control of the local government area of the City of Whyalla . The Point Lowly Lighthouse is a popular icon of the upper Spencer Gulf region. It features in tourism literature, on billboards and was adopted as a logo by the community action group, Save Point Lowly . A 2.14 hectares (5.3 acres) reserve which includes
99-643: A subtropical species is range limited to Northern Spencer Gulf. Visiting southern right whales and humpback whales enter Spencer Gulf from June through to October, and can be seen as far north as Point Lowly and Port Augusta. New Zealand fur seals and Australian sea lions can be found in southern Spencer Gulf, with significant breeding colonies located at Dangerous Reef and in the Sir Joseph Banks Group. Occasional sightings occurring in Northern Spencer Gulf. Bottlenose dolphins can be seen in
132-574: Is 77 km (48 mi) wide at its mouth (from Cape Catastrophe to Cape Spencer) and 320 km (200 mi) long (from its mouth to Port Augusta). The western shore of the gulf is the Eyre Peninsula , while the eastern side is the Yorke Peninsula , which separates it from the smaller Gulf St Vincent . Its entrance was defined by Matthew Flinders in 1802 as a line from Cape Catastrophe on Eyre Peninsula to Cape Spencer on Yorke Peninsula. At
165-449: Is also intended to supply water for a prospective hydrogen export industry. An environmental impact statement for the project is anticipated mid-2024. As of 2016 , one reverse osmosis and one thermal seawater desalination plant draw water from Spencer Gulf. Several others are planned. All currently or will produce water primarily or exclusively for industrial use. They are: The Spencer Gulf region, its wildlife and its development are
198-430: Is located at Goose Island on the east side of Spencer Gulf near Port Victoria was d eclared in 1971 to provide 'a conservation area where teaching institutions may conduct classes and scientific research on marine biology and ecology and to protect the habitat of the seal colony situated on White Rocks.' Whyalla - Cowleds Landing Aquatic Reserve which is located on the west side of Spencer Gulf, just south of Whyalla,
231-517: Is prohibited with Sanctuary Zones, and detailed maps and GPS coordinates for the parks are available from the Government of South Australia's Department of Environment, Water & Natural Resources. The marine parks within Spencer Gulf are (from north to south): A number of terrestrial reserves either adjoin Spencer Gulf at low water or are located on islands within the gulf. On the west coast of
264-466: The 2006 census was 249. Port Germein was once an important transport hub for the surrounding districts following the opening of its jetty in 1881 – at the time known as the longest jetty in the Southern Hemisphere . Due to the shallow water along the coast, the long jetty was built to allow sailing ships to be loaded with grain from surrounding districts. Bagged wheat came from the local area,
297-543: The Adelaide-Port Augusta railway line both pass the east side of the township. The railway line has an 1800m passing loop and a goods siding was commissioned in 2015 and is operated by SCT Logistics . A lighthouse was erected at the end of the jetty in 1894, replacing the Port Germein Lightship. The lighthouse was staffed until July 1917, when it was replaced by an AGA flashing light. The lighthouse
330-732: The Colony's waters. The lighthouse is also associated with the development of Port Pirie, Whyalla and BHP's mining operations in the area. Originally constructed of stone in 1883, the lighthouse was extended in height in 1908. The use of concrete in this extension represents both an early use of concrete and the first use of structural concrete in a lighthouse in South Australia. (HSA: SL 6/99) The lighthouse cottages are available as rental accommodation, sleep up to 29 people and are managed by Whyalla City Council. VisitorsGuide.com.au They are often used by recreational divers and marine scientists who visit
363-582: The coast near Port Bonython and Point Lowly is a breeding ground for the Northern Spencer Gulf population of Australian giant cuttlefish . They are a favorite food of local bottlenose dolphins , who have developed sophisticated techniques for safely eating these creatures. The Upper Spencer Gulf is also known for its snapper and Yellowtail kingfish fishing. Great white sharks are sometimes seen in Spencer Gulf by fishermen, and shark cage diving and surface tours operate out of Port Lincoln . A relic population of tiger pipefish ( Filicampus tigris ),
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#1733084988031396-521: The eastern side of the Southern Flinders Ranges via Port Germein Gorge (opened in 1879), and from the west coast in smaller boats. About 100,000 bags of wheat were loaded per year. The jetty was extended to its full length of 1680m in 1883. With the opening of the port came an influx of workers from Adelaide, and by 1900 the town's population had grown to over 300. Use of the port declined when rail
429-463: The expedition's published charts. By the 1830s, the natural harbour of Port Lincoln had become the site of an unofficial settlement, due in part to its convenience as a base for whaling vessels – which had long operated in the Great Australian Bight . Prior to the selection of Adelaide , some consideration was given to Port Lincoln as the potential site of a capital city. The Gulf
462-461: The gulf are Port Lincoln , Whyalla , Port Pirie , and Port Augusta . Smaller towns on the gulf include Tumby Bay , Port Neill , Arno Bay , Cowell , Port Germein , Port Broughton , Wallaroo , Port Hughes , Port Victoria , Port Rickaby , Point Turton , and Corny Point . The first recorded exploration of the gulf was that of Matthew Flinders in February 1802. Flinders navigated inland from
495-515: The gulf waters are sometimes used. "Northern Spencer Gulf" refers to waters north of Wallaroo and Arno Bay , while "Southern Spencer Gulf" refers to waters south of that line, extending to the mouth of the gulf. "Upper Spencer Gulf" includes the waters north of Port Pirie, and includes the three towns sometimes referred to as the Iron Triangle: Whyalla, Port Augusta and Port Pirie. Its boundary lacks precise definition. The land surrounding
528-715: The gulf's waters year-round. Breeding colonies of little penguins exist on islands in Spencer Gulf. The northernmost colonies are located at Lipson Island and Wardang Island . In 2004, the Wardang Island colony's population was approximately 8,000 penguins. Cape Barren geese and several species of cormorants also breed on islands in Spencer Gulf. Spencer Gulf contains a number of inshore and offshore islands. These include (from north to south): Due to its proximity to many identified mineral deposits in South Australia's Far North, Eyre Peninsula and Braemar regions, there are multiple new port and harbour developments proposed for
561-503: The gulf, consisting of the Eyre and Yorke Peninsulas , is the Eyre Yorke Block bioregion . This was originally wooded shrubland but has now mainly been cleared for agriculture. The arid Gawler bioregion extends to the Spencer Gulf on the north-west. Many of South Australia's iconic marine species can be found on the shores and in the waters of Spencer Gulf. The rocky inshore reef along
594-581: The gulf, from north to south, they are Munyaroo Conservation Park , Franklin Harbor Conservation Park , Lipson Island Conservation Park , Tumby Island Conservation Park , Sir Joseph Banks Group Conservation Park , Lincoln National Park and Memory Cove Wilderness Protection Area . On the east coast of the gulf, from north to south, they are Winninowie Conservation Park , Bird Islands Conservation Park , Goose Island Conservation Park , Leven Beach Conservation Park and Innes National Park . At
627-594: The lens and lamp were upgraded and the light was connected to mains electricity. In 1980, it was listed on the now-defunct Register of the National Estate . In 1983, the lighthouse and cottages received heritage listing. In 1993, the Australian Maritime Safety Authority deemed the light to be unnecessary and the light was deactivated. In 1994, the lighthouse and its attendance buildings and 2.14 hectares (5.3 acres) of land has been listed as
660-413: The lighthouse by boat from Port Pirie on the eastern shore of Spencer Gulf. The structure was raised by 7.6 metres to its current height in 1909. The original mineral-oil fueled wick burner light was replaced by a kerosene vaporising light unit during the upgrade. In 1973, the light was demanned. This followed the installation of a battery-powered Stone Chance Power Beam Beacon on the balcony. In 1979,
693-475: The lighthouse, cottages and associated structures has been listed on the South Australian Heritage Places database since 15 December 1994. Its significance is reported as follows: blockquote>The Point Lowly Lightstation is important for its association with the maritime history of South Australia in the 1880s, a time when several lighthouses were built to protect increasing shipping traffic in
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#1733084988031726-651: The mouth of the gulf, the Gambier Islands Conservation Park is located within the Gambier Islands group. Three Important Bird Areas (IBAs) have been nominated by BirdLife International at locations in Spencer Gulf. The Spencer Gulf Important Bird Area lies along the north-eastern coast of the Gulf; it comprises a 460 square kilometres (180 square miles) strip of coastal land consisting mainly of intertidal mudflats , mangroves and salt marshes . It
759-489: The northern ports of Port Augusta and Port Pirie . The lighthouse and its cottages pre-date the establishment of Whyalla and are the oldest European heritage structures in the Whyalla area. The original tower was 15 metres in height and was made from local sandstone. The optical apparatus had an eight side catadioptric lens which revolved once every 80 seconds and gave a 2-second flash every 10 seconds. Supplies were brought to
792-425: The present location of Port Augusta to within 44–39 km (27–24 mi) of the termination of the water body. The gulf was named Spencer's Gulph by Flinders on 20 March 1802, after George John Spencer , the 2nd Earl Spencer . The Baudin expedition visited the gulf after Flinders with Nicholas Baudin giving it the name Golfe Bonaparte and Louis de Freycinet using the name Golfe de la Melomanie on
825-568: The region's cuttlefish aggregation each winter. Flinders University Underwater Club Between July and September 2014, the Whyalla City Council will be conducting an assessment of the buildings' condition, restoration needs, costs, resource and operating requirements. The council will investigate options to incorporate the cottages into a single business unit for visitation, tourism, education and cultural services and will consider potential outsourcing. Spencer Gulf The largest towns on
858-550: The region. These include new or expanded facilities at (from north to south): In 2022, the government of South Australia announced the Northern Water Supply Project, which as of 2023, is considering a business case for establishing a large seawater desalination plant in the upper Spencer Gulf. If constructed, water will be supplied for use to the Olympic Dam and Carapateena copper mines in the state's far north. It
891-471: The state capital of Adelaide and about 19 kilometres (12 mi) north of the city of Port Pirie on the eastern side of South Australia 's Spencer Gulf overlooking Germein Bay . Port Germein was named after Samuel Germein , who moved into the territory in 1840, although some credit his brother John to be the first European to traverse the area. The township was proclaimed in 1878. Port Germein's population in
924-430: The subjects of a documentary film in production (as of 2020) entitled Cuttlefish Country . Spencer Gulf contains four aquatic reserves . Blanche Harbour-Douglas Bank Aquatic Reserve which is located in west side of Spencer Gulf, north of Whyalla, was declared in 1980 'for fisheries management, protection of its mangrove-seagrass communities and associated fish nursery areas.' Goose Island Aquatic Reserve which
957-683: The time of Flinders' exploration the gulf was noted to extend 298 km (185 mi) inland from a point near the Port Augusta crossing. This so-called extension of the gulf consists of a land depression and occasional watercourse known as the Pirie–Torrens corridor , and the inland waterbody Lake Torrens . The northern end of the gulf is spanned by the Joy Baluch AM Bridge between Port Augusta and Port Augusta West and further north by Yorkey Crossing . Informal names for subdivisions of
990-528: Was declared in 1980 to 'protect the mangrove-seagrass communities and associated fish nursery areas.' Yatala Harbour Upper Spencer Gulf Aquatic Reserve which is located in Yatala Harbour on the east side of Spencer Gulf, north of Port Pirie, was declared in 1980 for 'the protection of its mangrove-seagrass communities and associated fish nursery areas.' Spencer Gulf contains five marine parks , each with its own outer boundary and internal zoning. Fishing
1023-512: Was extended to Port Germein in 1934, and the jetty was later reduced to its present length of 1532m due to storm damage. The historic Port Germein Jetty Site is listed on the South Australian Heritage Register . It formerly had its own municipality, the District Council of Port Germein ; since 1980, it has been part of the District Council of Mount Remarkable . The Augusta Highway and
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1056-635: Was identified as an IBA by BirdLife International because of its importance for the conservation of waders , or shorebirds. The other two IBAs within Spencer Gulf are located in the Sir Joseph Banks Group and at Goose Island . Both sites contain breeding colonies of various island seabird species. Port Germein Port Germein is a small sea-side town in the Australian state of South Australia located about 219 kilometres (136 mi) north of
1089-446: Was re-established at its current site in 1975. The Port Germein jetty opened in 1881, and in 1883 it was extended to a length of 1680 metres. This length, which was necessary because of the town's extremely shallow beach, briefly made it the longest wooden jetty in the southern hemisphere. Currently, following storm damage and subsequent repairs, the jetty is 1532 metres long, still the longest jetty in South Australia. Previously it had
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