{{Use dmy dates|date=September 2016}} {{Use Australian English|date= September 2016}} {{Infobox body of water | name = Maupertuis Bay | image = | caption = | pushpin_map = Australia South Australia | pushpin_map_alt = | pushpin_relief = 1 | pushpin_label_position = bottom | pushpin_map_caption = Location in [[South Australia]] | image_bathymetry = | caption_bathymetry = | location = [[Flinders Chase, South Australia]]<ref name=LMV/> | coords = {{coord|-35.996|136.66|type:waterbody_region:AU_region:AU-SA|format=dms |display=inline,title}} | coordinates_footnotes = <ref name=LMV>{{cite web|title= Search results for "Maupertuis Bay, Bay" with the following datasets selected – 'Surface Water Catchments', 'NPW and Conservation Reserve Boundaries', 'State Marine Park Network Zoning', 'Suburbs and Localities' and 'Gazetteer' |url= http://location.sa.gov.au/viewer/?map=roads&x=136.72984&y=-36.00885&z=12&uids=161,42,50,19,105&pinx=136.658640&piny=-35.995840&pinTitle=Location&pinText=Maupertuis+Bay,+Bay |website=Location SA Map Viewer |publisher= South Australian Government |accessdate=30 June 2019 }}</ref> | type = [[Bay]] | inflow = [[Rocky River (Kangaroo Island)|Rocky River]] | outflow = | catchment = | basin_countries = [[Australia]] | length = {{convert|13|km}}<ref name="dmh">{{cite book|title=The Waters of South Australia|date=1985|publisher=Department of Marine and Harbors, Government of South Australia|location=Port Adelaide|isbn=0-7243-7603-8|page=chart 14}}</ref> | width = about {{convert|3|km}}<ref name="dmh"/> | area = | depth = {{convert|30|-|60|m}}<ref name="dmh"/> | max-depth = | volume = | residence_time = | salinity = | shore = | frozen = | islands = | trenches = | benches = | cities = }}

'''Maupertuis Bay''' ({{langx|fr|'''Baie Maupertuis'''}}) is a [[bay]] in the Australian state of [[South Australia]] located on the south-west coastline of [[Kangaroo Island]].<ref name="LMV"/>

It faces to the south-west and extends for a distance of about {{convert|13|km}} from an unnamed headland in the north-west to [[Cape du Couedic]] in the south-east.<ref name="dmh"/> Its coastline is located within the locality of [[Flinders Chase, South Australia|Flinders Chase]].<ref name="LMV"/>

Rivers draining into the bay includes the [[Rocky River (Kangaroo Island)|Rocky River]] which rises from within a catchment located in both the [[Flinders Chase National Park]] and the [[Ravine des Casoars Wilderness Protection Area]].<ref name=DWLBC>{{cite web|title=Groundwater - surface water interactions on Kangaroo Island, Progress report 1: Rocky River shallow piezometer drilling program|url=https://www.waterconnect.sa.gov.au/Content/Publications/DEWNR/ki_dwlbc_report_2008_22.pdf|website=WaterConnect|publisher=Government of South Australia|accessdate=19 December 2015|page=7}}</ref>

''Maupertuis Bay'' was named after mathematician and philosopher [[Pierre Louis Maupertuis]] by the French explorer [[Nicolas Baudin]].<ref>{{cite web|title=The discovery and exploration of Australia|url=http://www.australiaforeveryone.com.au/discovery/names2.htm|website=australia for everyone|accessdate=26 December 2015}}</ref>

On 24 April 1899, the Scottish [[barque]] ''[[Loch Sloy]]'' was wrecked off the coast from Maupertuis Bay<ref>{{cite news|title=Wreck of the Loch Sloy|url=http://nla.gov.au/nla.news-article14214023|accessdate=26 December 2015|work=Sydney Morning Herald|date=12 May 1899}}</ref> resulting in the deaths of all but three of its 32 crew and passengers.

Since 2012, the waters of the bay have been located within a "habitat protection zone" with the [[Western Kangaroo Island Marine Park (state waters)|Western Kangaroo Island Marine Park]] which is managed by the Government of South Australia.<ref name=mp>{{cite web|title=Western Kangaroo Island Marine Park Management Plan 2012 |url= https://www.environment.sa.gov.au/files/sharedassets/marine_parks/final_management_plans/mp-gen-16westernkangarooisland-managementplan.pdf |publisher= Department of Environment, Water and Natural Resources, Government of South Australia |accessdate=30 June 2019 |pages= 3, 5 & map 04 |date=2012}}</ref>

==See also== *[[Maupertuis (disambiguation)]]

==References== {{reflist}}

{{Kangaroo Island}} {{Bays of South Australia ||state=collapsed}} {{AusplacesnamedbyFrench |state=collapsed}} [[Category:Bays of Kangaroo Island]]