The Top 4 Castles around St. John
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 4
beautiful castles to choose from around St. John. Just browse our list to find your top castle , and add some history to your next adventure!
beautiful castles to choose from around St. John. Just browse our list to find your top castle , and add some history to your next adventure!
Last updated: November 15, 2025
Radford Castle and Hooe Lake Shipwreck
Highlight • Castle
Radford Park is a beautiful green space on the edge of Plymstock with a rich history. A grand Elizabethan property stood in the park originally, Radford House, owned by the …
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The Royal Citadel, Plymouth
Highlight • Castle
This dramatic 17th-century fortress was built to defend the coastline from the Dutch. The fortress, owned and managed by English Heritage, is still used by the military today.
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Mount Batten Tower
Highlight • Historical Site
Mount Batten is a rocky peninsula in the northeast corner of Plymouth Sound. Mount Batten Artillery Tower, which was built in the 1650s, guards the southern approach to the harbour …
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Trematon Castle
Highlight • Viewpoint
Trematon Castle has a 12th century keep like nearby Restormel castle. It was built on the site of a Roman fort in a Motte and Bailey style.
You can visit …
You can visit …
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Looking for the best castles somewhere else? Discover other guides around St. John:
CornwallDevonWiltshireSomersetDorsetPilning And Severn BeachGloucestershireAlmondsburyHanhamOlvestonSt. EndellionSt. KewStoke GiffordPatchwayBradley StokeWinterbourneStoke Lodge And The CommonMonkton CombeLimpley StokeFreshfordWinsleyHinton CharterhousePill & Easton-In-GordanoAbbots LeighLong AshtonDownend and Bromley HeathFiltonCity of BristolKeynshamCompton DandoHanham AbbotsBittonTrevalgaLesnewthHoltDavidstowSt. JuliotSt GennysCamelfordAdventTintagelMichaelstowSt. TeathForrabury And MinsterWellowShoscombeAustSaltashSt Martin'STrescoSt Mary'sSt AgnesBryherMereWest KnoyleBathfordClavertonBathamptonNorth BradleyHillOldbury-Upon-SevernWestwoodTrowbridgeSouthwickWingfieldBradford-On-AvonDundryFlax BourtonPortburyWraxall And FailandPerranarworthalMylorKeaStithiansConstantineMabePonsanoothWick And AbsonSemingtonMelksham WithoutSouth WraxallAtworthBoxStavertonSt. BrewardChapmansladeDilton MarshRadstockMillbrookAntonyCombe HayTorpointMaker-With-RameBroad ChalkeWesterleighLandulphTytheringtonCharfieldWickwarFalfieldCromhallTortworthCrowanGwinear-Gwithian
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