Tregonning Hill
[3] In July 2023 the hill was listed by Estate Agents for £150,000 and bought by the Cornwall Heritage Trust in November.On the deeper soils European gorse (Ulex europaeus), bracken (Pteridium aquilinum) and bramble (Rubus fruticosus) are the dominant scrub species.[9] Due to scrub and tree growth it is in a poor condition and is on Historic England's, Heritage at Risk Register.[3] While visiting the area in 1745, William Cookworthy, a Plymouth chemist observed a very fine clay being used to repair furnaces.The tankard, now in the collection of the British Museum, features a scrolling banner with the name of Cookworthy's fledgling pottery, "Plymouth Manufactory" around the arms of the city of Plymouth, painted in underglaze blue, and a date and maker's mark on the base, "March 14, 1768 C.[ookworthy] F.[ecit][2] In the 1870s china clay from Tregonning, and a 30 to 40 acre quarry at Tresowes on the western side of hill, was shipped from Porthleven; the amounts were 92 tons in 1876, 130 in 1877, 61 in 1878, 136 in 1879 and none in 1880.[21] In 1880 The Cornishman reported on the annual custom, by the Ashtown Free Church Sunday scholars (Ashton), to walk in procession to the ″old amphitheatre″ for a sermon.
Site of Special Scientific InterestLocationGrid referenceCoordinatesMount's BayUnited KingdomHelstonWilliam Cookworthychina stonekaolinPlymouth porcelainporcelainMarsupella profundaEstate AgentsCornwall Heritage Trustwestern lowland heathCalluna vulgarisErica cinereaUlex galliiErica tetralixVaccinium myrtillusPotentilla erectaUlex europaeusPteridium aquilinumRubus fruticosusliverwortIron AgehillfortAncient Monuments and Archaeological Areas Act 1979Historic EnglandHeritage at Risk RegisterGermoeCornubian batholithgranitekaolinizationPorthlevenfire bricksironfounderslistingOrdnance SurveyThe CornishmanAshtonBristol BeaufortCeremonial countyCornwallCornwall CouncilCouncil of the Isles of ScillyBodminCallingtonCamborneCamelfordFalmouthHugh TownLauncestonLiskeardLostwithielMarazionNewlynNewquayPadstowPenrynPenzanceRedruthSt AustellSt BlazeySt Columb MajorSt IvesSt Just in PenwithSaltashStrattonTorpointWadebridgeList of civil parishes in CornwallCarnonDe LankGannelHelfordKenseyLerrynLynherMenalhylOtteryPont PillPort NavasSeatonValencyfull list...HistoryCivil WarStatus debateCultureEconomyFishingFlora and faunaPlacesList of farmsPopulation of major settlementsDemographyNotable peopleThe DuchyDiocesePoliticsSchoolsHundreds/shiresPlaces of interestOutline of CornwallIndex of Cornwall-related articlesBiological Sites of Special Scientific Interest in Cornwall and the Isles of ScillySummarised data for all sites (biological and geological)Aire Point to Carrick DuAmble MarshesBaulk Head to MullionBedruthan Steps and Park HeadBodmin Moor, NorthBoscastle to WidemouthBreney CommonCabilla Manor WoodCaerthillian to KennackCarnkief PondCarrick HeathsCarricknath Point to Porthbean BeachCarrine Common & PenwethersChyenhal MoorCoverack to PorthoustockCrow's NestCrowhill Valley