The Top 5 Castles around Tresco
A visit to a castle — whether you stumble over one during a hike outdoors or walk your way around the grounds with a guide — is always something special, and you’ve got 5
beautiful castles to choose from around Tresco. Just browse our list to find your top castle , and add some history to your next adventure!
beautiful castles to choose from around Tresco. Just browse our list to find your top castle , and add some history to your next adventure!
Last updated: October 28, 2025
Star Castle
Highlight • Viewpoint
Old fort with a colorful history.
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Innisidgen Burial Chamber
Highlight • Natural Monument
Prehistoric ritual site from the Iron or Bronze Age.
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Cromwell's Castle
Highlight • Historical Site
The newer of the two major fortifications was built in 1651 by Parliamentary troops after taking the island from the Royalists. With his well-fortified cannons on the top of the …
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Harry's Walls
Highlight • Historical Site
Harry's Walls are the ruins of a former fortress built in the mid-16th century. The complex is free to visit.
english-heritage.org.uk/visit/places/harrys-walls
english-heritage.org.uk/visit/places/harrys-walls
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King Charles's Castle
Highlight • Historical Site
Small Civil War-era fort blown up by the Royalists before the storming. Fantastic views over New Grimsby Sound.
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Looking for the best castles somewhere else? Discover other guides around Tresco:
CornwallDevonWiltshireSomersetDorsetPilning And Severn BeachGloucestershireAlmondsburyHanhamPill & Easton-In-GordanoLong AshtonAbbots LeighSt. KewSt. EndellionStoke GiffordPatchwayBradley StokeStoke Lodge And The CommonWinterbourneOlvestonHillOldbury-Upon-SevernFlax BourtonPortburyWraxall And FailandDundryCity of BristolDownend and Bromley HeathFiltonHanham AbbotsCamelfordTrevalgaSt. TeathDavidstowLesnewthSt. JuliotTintagelMichaelstowAdventSt GennysForrabury And MinsterSaltashSt Mary'sSt AgnesBryherSt Martin'SMereWest KnoyleNorth BradleyHinton CharterhouseFreshfordLimpley StokeMonkton CombeWinsleyPonsanoothMylorStithiansPerranarworthalConstantineKeaMabeSemingtonMelksham WithoutSt. BrewardDilton MarshKeynshamChapmansladeCompton DandoBittonHoltTorpointAntonyMillbrookMaker-With-RameSt. JohnBroad ChalkeRadstockShoscombeWellowWesterleighLandulphClavertonBathfordBathamptonWingfieldWestwoodBradford-On-AvonSouthwickTrowbridgeWick And AbsonFalfieldCharfieldWickwarTortworthTytheringtonCromhallStavertonSouth WraxallAtworthBoxCombe HayGwinear-GwithianCrowan
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