Nepean Bay is a

bay A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay. A large bay is usually called a gulf, sea, sound, or bight. A cove is a small, circular bay with a na ...

located on the north-east coast of

Kangaroo Island Kangaroo Island, also known as Karta Pintingga (literally 'Island of the Dead' in the language of the Kaurna people), is Australia's third-largest island, after Tasmania and Melville Island. It lies in the state of South Australia, southwest ...

in the

Australian state The states and territories are federated administrative divisions in Australia, ruled by regional governments that constitute the second level of governance between the federal government and local governments. States are self-governing ...

South Australia South Australia (commonly abbreviated as SA) is a States and territories of Australia, state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest o ...

about south-south-west of

Adelaide Adelaide ( ) is the capital city of South Australia, the state's largest city and the fifth-most populous city in Australia. "Adelaide" may refer to either Greater Adelaide (including the Adelaide Hills) or the Adelaide city centre. The dem ...

. It was named by the British navigator,

Matthew Flinders Captain Matthew Flinders (16 March 1774 – 19 July 1814) was a British navigator and cartographer who led the first inshore circumnavigation of mainland Australia, then called New Holland. He is also credited as being the first person to ut ...

, after

Sir Evan Nepean Sir Evan Nepean, 1st Baronet, PC FRS (9 July 1752 – 2 October 1822)Sparrow (n.d.) was a British politician and colonial administrator. He was the first of the Nepean Baronets. Family Nepean was born at St. Stephens near Saltash, Cornwall, ...

on 21 March 1802.

Extent & description

Nepean Bay lies between

Point Marsden Point Marsden (also called Marsden Point) is a headland located on the north coast of Kangaroo Island in South Australia. It was named after William Marsden, Second Secretary to the Admiralty by Matthew Flinders in 1802. It is the western ex ...

and

Kangaroo Head Kangaroo Head is a headland in the Australian state of South Australia located at the north-west tip of Dudley Peninsula on Kangaroo Island. It was named by the British explorer, Matthew Flinders, on 23 March 1802. Description Kangaroo Head ...

on the north-east coast of Kangaroo Island facing into

Investigator Strait Investigator Strait is a body of water in South Australia lying between the Yorke Peninsula, on the Australian mainland, and Kangaroo Island. It was named by Matthew Flinders after his ship, HMS ''Investigator'', on his voyage of 1801–1802 ...

. Nepean Bay itself includes the following

coastal The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the coastline. The Earth has around of coastline. Coasts are important zones in ...

inlets from west to east - Bay of Shoals, Western Cove and Eastern Cove. Eastern Cove itself includes an inlet consisting of a channel known as American River and a lagoon system known as Pelican Lagoon.

Bay of Shoals

The Bay of Shoals is a body of water which is located immediately north of the settlement of Kingscote and whose mouth is located between Cape Rouge in the north and Beatrice Point in the south over a distance of about . The bay has a maximum charted depth of . Its mouth is bounded by a spit known as 'The Spit' which extends from Cape Rouge to within of Beatrice Point, includes the islets of Busby and Beatrice and is reported as being exposed during local tides, i.e. ‘drying.’ Access for watercraft into the bay is via a natural channel at its southern end near Beatrice Point.

Kingscote Harbour

Kingscote Harbour is the sheltered water between Bay of Shoals and Western Cove. The harbour is sheltered by the Beatrice Islets, and it faces the northern part of the town of Kingscote.

Western Cove

Western Cove is a body of water whose mouth is located between Beare Point in the west and Morrison Point in the east separated by a distance of about . The cove has a maximum depth of about at its mouth. Its shoreline is described as (distances in nautical miles):

The S(outh) shore, between Morrison Point and a red cliffy point about 3 miles W, is high and rocky. A range of wooded hills along the S(outh) shore falls gradually to the W(est). Red cliffs extend about 1.5 miles W(est) from the red cliffy point, and from there to the head of the cove is a continuous sandy beach. The land at the head of the cove is low and swampy and continues so to Beare Point…

Eastern Cove

Eastern Cove is the body of water whose mouth is located between Morrison Point in the west and

in the east separated by a distance of about . The cove has a maximum depth of at its mouth. Its shoreline is described as (distances in nautical miles):DMH, 1985, chart 13

The shore of Eastern Cove, between Kangaroo Head and American Beach, 2.5 miles S(outh), is rugged and rocky. Between the SW end of American Beach and Rocky Point, it consists of alternate beaches and low, rocky points. A sandy beach forms the S(outh) shore between Rocky Point and Strawbridge Point, 2.75 miles WNW. The S(outh) side of the cove is low with wooded hills at the back.

Eastern Cove includes Ballast Head Harbor on the western side near

Ballast Head Ballast is material that is used to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or airship, to provide stability. A compartment within a boat, ship, ...

European discovery

Matthew Flinders named Nepean Bay after Sir Evan Nepean,

First Secretary to the Admiralty The Parliamentary and Financial Secretary to the Admiralty also known as the Parliamentary and Financial Secretary to the Board of Admiralty was a position on the Board of Admiralty and a civil officer of the British Royal Navy. It was usually ...

, on 21 March 1802.

Ports and other settlements

Settlements on its shores include Kingscote, Brownlow KI and

Nepean Bay Nepean Bay is a bay located on the north-east coast of Kangaroo Island in the Australian state of South Australia about south-south-west of Adelaide. It was named by the British navigator, Matthew Flinders, after Sir Evan Nepean on 21 March 1 ...

on the shores of Western Cove, and

American River , name_etymology = , image = American River CA.jpg , image_size = 300 , image_caption = The American River at Folsom , map = Americanrivermap.png , map_size = 300 , map_caption ...

, Baudin Beach and Island Beach on the shores of Eastern Cove.

Protected areas

Protected areas Protected areas or conservation areas are locations which receive protection because of their recognized natural, ecological or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the ena ...

located within and adjoining the bay’s extent include: *Aquatic reserves -

American River , name_etymology = , image = American River CA.jpg , image_size = 300 , image_caption = The American River at Folsom , map = Americanrivermap.png , map_size = 300 , map_caption ...

. *Conservation parks - Beatrice Islet, Busby Islet, Cygnet Estuary,

and Pelican Lagoon. *Marine parks -

Encounter Marine Park Encounter Marine Park is a marine park in South Australia. It is in the Fleurieu Peninsula in state of South Australia South Australia (commonly abbreviated as SA) is a States and territories of Australia, state in the southern central part ...

DEWNR, 2012, page 2 of 6

Citations and references

;Citations ;References * * * * * * {{Bays of South Australia , state=collapsed Bays of Kangaroo Island