Island accessible by foot at low tide
"Tide island" redirects here; not to be confused with
Tied island .
Diagram of tidal island at low tide and high tide St Michael's Mount ,Cornwall , at high tide,c. 1900 Cramond Island ,Scotland , at high tide: the causeway is submerged, but the anti-boat pylons are still visibleAtidal island is a raised area of land within awaterbody , which is connected to the larger mainland by a naturalisthmus or man-madecauseway that is exposed at lowtide and submerged at high tide, causing the land to switch between being apromontory /peninsula and anisland depending on tidal conditions.
Because of the mystique surrounding tidal islands, many of them have been sites ofreligious worship , such asMont-Saint-Michel with itsBenedictine abbey . Tidal islands are also commonly the sites offortresses because of the natural barrier created by the tidalchannel .
List of tidal islands [ edit ] Mont Saint-Michel inNormandy Grótta inSeltjarnarnes , theCapital Region
Rough Island oppositeRockcliffe, Dumfries & Galloway , ScotlandWorm's Head at the end ofGower , WalesAsparagus Island , Mount's Bay,Cornwall Burgh Island ,Devon Burrow Island ,Portsmouth Harbour Chapel Island ,Cumbria Chiswick Eyot in theRiver Thames in LondonDova Haw , one of theIslands of Furness , off the coast ofCumbria Gugh in theIsles of Scilly (joined to St Agnes at low tide)Headin Haw , one of theIslands of Furness , off the coast ofCumbria Hilbre Island , Middle Eye and Little Eye in theRiver Dee estuary , betweenNorth Wales and the EnglishWirral , but administratively in England.Horsey Island ,Essex Lindisfarne ,Northumberland , also known as Holy IslandMarsden Rock ,South Tyneside ,Tyne and Wear Mersea Island , Essex (accessible to road traffic via the Strood)Northey Island , EssexOsea Island , EssexPiel Island , CumbriaScolt Head Island , NorfolkSheep Island ,Cumbria (joined at low tide to Piel Island and to Walney Island)St Mary's Island ,North Tyneside St Michael's Mount ,Cornwall White Island, Isles of Scilly andSt Martin's, Isles of Scilly Gunns Island, connected toBallyhornan Bay,Northern Ireland at low tide Baleshare in theOuter Hebrides , joined toNorth Uist Bernera Island , joined toLismore Brough of Birsay inOrkney , joined toOrkney Mainland Castle Stalker on Loch Laich inArgyll Cramond Island in theFirth of Forth Island Davaar nearCampbeltown , off theKintyre peninsulaEileanArnoil in theOuter Hebrides , joined to theIsle of Lewis Eilean Donan in the westernHighlands of Scotland Eilean Fladday andEilean Tigh off theIsle of Raasay Eilean Shona inLoch Moidart ,Lochaber ,Highland Eilean Tioram , inLoch Moidart Erraid off theIsle of Mull Hestan Island nearRough Island in Auchencairn BayIslands of Fleet : Ardwall Isle and Barlocco Isle inGalloway Isle Ristol , the innermost of theSummer Isles Kili Holm inOrkney , joined toEgilsay Oronsay in theInner Hebrides , joined toColonsay Oronsay inLoch Bracadale , joined toSkye Orosay in theOuter Hebrides , joined toBarra Rough Island oppositeRockcliffe, Dumfries & Galloway Vallay (Bhàlaigh), joined toNorth Uist in theOuter Hebrides 43 (unbridged) tidal islands can be walked to from the UK mainland.[ 1]
Bird Islet in Neck Point Park, Nanaimo, British Columbia, Canada Finisterre Island off ofBowen Island ,British Columbia , Canada Francis Peninsula off ofSunshine Coast (British Columbia) ,British Columbia , CanadaMicou's Island inSt. Margarets Bay, Nova Scotia , CanadaMinister's Island inNew Brunswick , CanadaRoss Island and Cheney Island inGrand Manan ,New Brunswick , Canada Wedge Island ,Nova Scotia , CanadaWhyte Islet inWest Vancouver ,British Columbia , Canada
Bar Island inMaine , U.S.Rangitoto Island forms a backdrop to awave-cut platform offAchilles Point , Auckland, New Zealand.
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