# Moncrieff Bay

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For other uses, see [Moncrieff](/source/Moncrieff_(disambiguation)).

Bay in Kangaroo Island, South Australia

Moncrieff Bay Moncrieff Bay Location in South Australia Location Kangaroo Island, South Australia Coordinates 35°49′30″S 138°07′29″E / 35.824955°S 138.124668°E / -35.824955; 138.124668[1] Type Bay Etymology Alexander Bain Moncrieff Part of Backstairs Passage Basin countries Australia Designation Marine park Max. length about 4.5 kilometres (2.8 mi)[2] Max. width about 1.0 kilometre (0.62 mi)[2] Max. depth about 7 metres (23 ft)[2]

**Moncrieff Bay** is a [bay](/source/Bay) in the Australian state of [South Australia](/source/South_Australia) located at the east end of the [Dudley Peninsula](/source/Dudley_Peninsula) on [Kangaroo Island](/source/Kangaroo_Island) in the gazetted locality of [Willoughby](/source/Willoughby%2C_South_Australia) overlooking [Backstairs Passage](/source/Backstairs_Passage) about 106 kilometres (66 mi) south-west of the state capital of [Adelaide](/source/Adelaide_city_centre) and about 47 kilometres (29 mi) south-east of the municipal seat of [Kingscote](/source/Kingscote%2C_South_Australia).[1]

It was named in September 1908 after [A. B. Moncrieff](/source/Alexander_Bain_Moncrieff), the Engineer in Chief of the Department of Marine & Harbors. It was one of eleven places in South Australia so named at the time as part of an effort “to name some of the more prominent features on the coast of South Australia which had been left blank in the Admiralty and land charts…”[3]

It consists of the section of coastline which faces east and runs in a north-south direction between the headlands of [Cape St Albans](/source/Cape_St_Albans) in the north and [Cape Willoughby](/source/Cape_Willoughby) in the south. It includes one inlet – [Pink Bay](/source/Pink_Bay).[2][4] The coastline is described as “rugged” and as “predominantly composed of steep, 100 m high vegetated bluffs.”[5] Water depths within the bay are less than 10 metres (33 ft) with a maximum depth of 7 metres (23 ft) shown as single sounding in an official source.[2]

The bay’s coastline is described as being “boulder beaches’ with the exception of two beaches composed of sand at its southern end. The beach at Pink Bay in the west has a length of 40 metres (130 ft) while the other one known as 'Cape Willoughby' in the east has a length of 150 metres (490 ft). Both are unpatrolled swimming beaches which are considered by [Surf Life Saving Australia](/source/Surf_Life_Saving_Australia) to be respectively ‘least hazardous’ and ‘moderately hazardous’ while the "boulder beaches" being considered to be "extremely hazardous."[5][6]

The bay’s bottom is described in 2002 by divers doing a fish population survey as consisting of “blocks (1-2 m) and boulders going to sand at 5 m depth” and there was a “rocky bottom at southern end of (the) bay 250 m each side of beach.” Also, the following algae genera and species were considered to be the dominant alga present in parts of the bay surveyed - genus *[Ecklonia](/source/Ecklonia)*, genus *[Cystophora](/source/Cystophora_(alga))* represented by C.siliquosa, C.moniliformis, and C. intermedia, genus *Acrocarpia* and *[Sargassum fallax](/source/List_of_Sargassum_species)* from the family *[Sargassaceae](/source/Sargassaceae)*.[7]

As of late 2012, the waters adjoining its shoreline are within a habitat protection zone in the [protected area](/source/Protected_area) known as the [Encounter Marine Park](/source/Encounter_Marine_Park).[8]

## References

1. ^ [***a***](#cite_ref-LMV_1-0) [***b***](#cite_ref-LMV_1-1) ["Search result for 'Moncrieff Bay, BAY' with the following datasets selected - 'Suburbs and Localities' and 'Gazetteer'"](https://web.archive.org/web/20161012010923/http://maps.sa.gov.au/plb/). *Location SA Map Viewer*. Government of South Australia. Archived from [the original](http://maps.sa.gov.au/plb/#) on 12 October 2016. Retrieved 27 December 2017.

1. ^ [***a***](#cite_ref-DMH_2-0) [***b***](#cite_ref-DMH_2-1) [***c***](#cite_ref-DMH_2-2) [***d***](#cite_ref-DMH_2-3) [***e***](#cite_ref-DMH_2-4) South Australia. Department of Marine and Harbors (DMH) (1985), *The Waters of South Australia a series of charts, sailing notes and coastal photographs*, Dept. of Marine and Harbors, South Australia, p. chart 12, [ISBN](/source/ISBN_(identifier)) [978-0-7243-7603-2](https://en.wikipedia.org/wiki/Special:BookSources/978-0-7243-7603-2)

1. **[^](#cite_ref-name_3-0)** ["THE LATEST PLACE NAMING"](http://nla.gov.au/nla.news-article58938352). *[The Register (Adelaide)](/source/The_Register_(Adelaide))*. Vol. LXXIII, no. 19, 297. South Australia. 17 September 1908. p. 6. Retrieved 27 December 2017 – via National Library of Australia.

1. **[^](#cite_ref-LMV-PB_4-0)** ["Search result for 'Pink Bay, Bay' with the following datasets selected - 'Suburbs and Localities' and 'Gazetteer'"](http://location.sa.gov.au/viewer/). *Location SA Map Viewer*. Government of South Australia. Retrieved 2 January 2018.

1. ^ [***a***](#cite_ref-KI-56_5-0) [***b***](#cite_ref-KI-56_5-1) ["Pink Bay SA"](https://beachsafe.org.au/beach/sa/kangaroo-island/willoughby/pink-bay). Surf Life Saving Australia. Retrieved 1 January 2018.

1. **[^](#cite_ref-KI-57_6-0)** ["Cape Willoughby SA"](https://beachsafe.org.au/beach/sa/kangaroo-island/willoughby/cape-willoughby). Surf Life Saving Australia. Retrieved 1 January 2018.

1. **[^](#cite_ref-GroperKI_7-0)** Shepherd, Scoresby A.; Brook, James; Brown, Adrian. ["A PRELIMINARY SURVEY OF THE WESTERN BLUE GROPER ON KANGAROO ISLAND"](http://www.reefwatch.asn.au/PDF/Groper%20KI.pdf) (PDF). [Conservation Council of South Australia](/source/Conservation_Council_of_South_Australia). p. 5. Retrieved 19 January 2018.

1. **[^](#cite_ref-8)** ["Encounter Marine Park Management plan summary"](http://www.environment.sa.gov.au/files/b3e51be9-f461-47c9-b106-a11700a19006/mp-gen-15encounter-managementplan.pdf) (PDF). Department of Environment, Water and Natural Resources. p. 38 of 39. Retrieved 2 January 2018.

v t e Coastal bays and inlets of South Australia West coast Anxious Baird Coffin Denial Fowlers Head of the Bight Laura Murat Sceale Sleaford Fishery Smoky Streaky Tourville Venus Spencer Gulf Arno Blanche Harbor False Germein Hardwicke Lipson Cove Louth Lucky Memory Moonta Pondalowie Tumby Wallaroo Investigator Strait Emu Marion Nepean Pelican Lagoon Bay of Shoals Eastern Cove Western Cove Smith Stenhouse Stokes Kangaroo Island south and west coasts D'Estrees Maupertuis Moncrieff Pink Seal Vivonne Gulf St Vincent Aldinga Barker Inlet Holdfast Rapid Wool Backstairs Passage Antechamber Cuttlefish South east coast Discovery (part) Racecourse Encounter Guichen Lacepede Nora Creina Rivoli Mainland Murray River Loveday Category

v t e Kangaroo Island Major townships American River Kingscote Parndana Penneshaw Beaches American Beach Baudin Beach Brown Beach D'Estrees Bay Emu Bay Island Beach Nepean Bay Vivonne Bay Coastal features Western end of island Cape Borda Cape du Couedic Cape Gantheaume D'Estrees Bay Fides Bluff Maupertuis Bay Nepean Bay Pelican Lagoon Point Marsden Ravine des Casoars Stokes Bay Vivonne Bay Dudley Peninsula Cape St Albans Cape Willoughby Kangaroo Head Moncrieff Bay Pink Bay Protected areas National parks Flinders Chase Conservation parks Baudin Beatrice Islet Beyeria Busby Islet Cape Gantheaume Cape Willoughby Cygnet Estuary Dudley Kelly Hill Lashmar Lathami Lesueur Mount Taylor Nepean Bay Parndana Pelican Lagoon Seal Bay Seddon Simpson Vivonne Bay Marine parks Encounter Western Kangaroo Island Southern Kangaroo Island Wilderness Protection Areas Cape Bouguer Cape Gantheaume Cape Torrens Ravine des Casoars Western River Islands adjacent to Kangaroo Island coast Beatrice Islets Busby Islet Casuarina Islets Douglas Rock Nobby Islet Paisley Islet Pelican Lagoon Islets Pelorus Islet Related and uncategorised 2007 Kangaroo Island bushfires County of Carnarvon Fleurieu and Kangaroo Island Hundred of Dudley Kangaroo Island Council Kangaroo Island wine region Kingscote Airport Middle River Reservoir Category Commons

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Adapted from the Wikipedia article [Moncrieff Bay](https://en.wikipedia.org/wiki/Moncrieff_Bay) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Moncrieff_Bay?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.