Tenth Island

{{Short description|Island in Tasmania, Australia}}

{{Use Australian English|date=December 2015}}

{{Use dmy dates|date=December 2015}}

{{Infobox islands

| name = Tenth Island
(Roobala mangana)

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| sobriquet = Barrenjoey

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| image_size = 280

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| map = Australia Tasmania

| map_alt =

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| map_caption = Location of Tenth Island off the coast of Tasmania

| map_relief = 1

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| coordinates = {{coord|40|56|S|146|59|E|display=inline,title}}

| etymology =

| location = Bass Strait

| pop =

| archipelago = Waterhouse Island Group

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| area_m2 = 900

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| country = Australia

| country_admin_divisions_title = State

| country_admin_divisions = Tasmania

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| population = uninhabited

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The Tenth Island, sometimes called Barrenjoey, part of the Waterhouse Island Group, is a {{convert|900|m2|adj=on}} uninhabited granite islet and nature reserve, situated in Bass Strait, lying close to the north-eastern coast of Tasmania, Australia. The islet has no vegetation and much of it is wave-washed in winter storms.Brothers, Nigel; Pemberton, David; Pryor, Helen; & Halley, Vanessa. (2001). Tasmania’s Offshore Islands: seabirds and other natural features. Tasmanian Museum and Art Gallery: Hobart. {{ISBN|0-7246-4816-X}} The Aboriginal name for the island is recorded as Roobala mangana.{{cite journal|url=https://eprints.utas.edu.au/19369/1/1-1859-Dialects-Aboriginal-Tribes-Tasmania.pdf |title=On the dialects and languages of the Aboriginal Tribes of Tasmania, and on their manners and customs |author=Milligan, Joseph |journal=Papers of the Royal Society of Tasmania |year=1858 |page=270 }}

Other islands in the Waterhouse Group include Ninth, Maclean, Waterhouse, Little Waterhouse, Baynes, St Helens, Foster, Swan, Little Swan, Cygnet and Paddys islands and Bird Rock and George Rocks islets.