The Top 9 Natural Monuments around Old St Mellons
Old St Mellons’s landscape is a beautiful place to explore — something that you can best experience by visiting one of our 9
beautiful natural monuments around Old St Mellons. To help you find the one for, you can see all the details you need to explore the best natural monuments, and better plan your next outdoor adventure!
beautiful natural monuments around Old St Mellons. To help you find the one for, you can see all the details you need to explore the best natural monuments, and better plan your next outdoor adventure!
Last updated: November 16, 2025
Twmbarlwm Hill and Iron Age hillfort
Highlight • Historical Site
Twmbarlwm is a 1,375 foot (419 m) hill that is rich in beauty, history and folklore. From the summit, you are afforded wonderful views of the Severn Estuary. There is an Iron Age hill fort on the summit, too.
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Mynydd Machen Summit
Highlight • Viewpoint
Mynydd Machen is a 1,188-foot (362 m) hill in South Wales which affords glorious views over Newport, Cardiff, Steep Holm, Flat Holm, Brean Down, and the Severn Estuary. The summit …
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Roath Park Lake and the Scott Memorial Lighthouse
Highlight • Lake
Roath Park is one of Cardiff's most loved parks, it was recently awarded the prestigious Green Flag award to recognise its high quality and its importance to Cardiff.
In the …
In the …
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Coed y Wenallt — Ancient Woodland
Highlight • Natural Monument
Coed y Wenallt is a wonderful ancient woodland situated just north of Cardiff in the Vale of Glamorgan.
The woods are a designated Site of Special Scientific Interest and are …
The woods are a designated Site of Special Scientific Interest and are …
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Roath Park Rose Garden
Highlight • Natural
During the spring and summer months, Roath Park boasts an exceptional floral display.
The rose garden has been an attraction since the 1950s and in the 60s the Royal National …
The rose garden has been an attraction since the 1950s and in the 60s the Royal National …
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Extend your search for the best caves by checking out these guides of the top ones around Old St Mellons:
YstradfellteMaescarCrayLlywelTawe-UchafThe Vale Of GrwyneyLlanfrynachYstradgynlaisLlangynidrCrickhowellPembrokeshireGlynneathOnllwynCymer And GlyncorrwgBlaengwrachResolvenSeven SistersLlangattockLlanveynoeLlanfihangel Cwmdu With Bwlch And CathedineGlyn TarellMonmouthshireTalybont-On-UskBreconLlangorsTrallongYscirGwernyfedLlanddewTalgarthSwanseaBronllysLlanrhidian LowerLlanigonReynoldstonPort EynonIlstonPenriceLlanrhidian HigherFelin-FachLongtownLlangennith, Llanmadoc And CheritonPennardRhossiliCraswallUpper KillayMichaelchurch EscleyCarmarthenshireHonddu IsafCrynantGowertonAbersychanBishopstonMumblesBedwas Trethomas & MachenVale of GlamorganCockettRudryVanCaerphillyBlaenavonLisvaneLlanbradachRhiwbinaCwmllynfellMaesycwmmerPontardaweYstalyferaPentyrchPenyrheol Trecenydd & EnerglynRadyr and MorganstownWhitchurchWalterstonePontprennauTongwynlaisAber ValleyPeterchurchGelligaerHeathSt. MargaretsPengamCeredigionNewtonCilybebyllDunvantKillaySkettyCefn FforestArgoedAbbey DorePelennaNelsonTurnastoneVowchurchLlancilloPontllanfraithPentwynCathaysLlandaff NorthLlanishenCyncoedNeath Port TalbotBrynCrumlinBlackwoodPenmaenRhondda Cynon TafPen TranchRowlstoneGwaun-Cae-GurwenYnysdduBargoedBactonMargamClyne And MelincourtLlwchwrUplandsCastleTownhillCwmavonDulasAbercarnRisca WestNewbridgeRisca EastHenllysMargam MoorsPenylanRoathMawrGwynfi And CroeserwEwyas HaroldBriton FerryNeathLlanwrtyd WellsTenbyNew InnTrevethinFairwaterPenderryCrosskeysCoedffrancDyffryn ClydachCardiffTonnaBlaenhonddanTai-BachSandfields EastAberavonPort TalbotKentchurchCaerphillyLlantarnamCwmbran CentralPontymoileUpper CwmbranPonthirCroesyceiliogLlanyrafonPontnewyddBon-Y-MaenSt. ThomasCwmbrwlaLandoreSandfields WestBaglan MoorsBaglanBaglan BayKenderchurchMynyddbachBirchgroveLlangyfelachClydach
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