This is a list of the Sites of Special Scientific Interest (SSSIs) in the Rhondda Cynon Taf Area of Search (AoS).^[1]

References

^ "County search of SSSIs". Countryside Council for Wales. Archived from the original on 5 March 2014. Retrieved 24 August 2012.

v t e Rhondda Cynon Taf
Rhondda Cynon Taf County Borough Council
Communities	Aberaman North Aberaman South Abercynon Aberdare East Aberdare West Cwm Clydach Cwmbach Cymmer Ferndale Gilfach Goch Hirwaun Llanharan Llanharry Llantrisant Llantwit Fardre Llwydcoed Llwynypïa Maerdy Mountain Ash East Mountain Ash West Penrhiwceiber Pentre Pen-y-graig Penywaun Pont-y-clun Pontypridd Porth Rhigos Taff's Well Tonypandy Tonyrefail Trealaw Trehafod Treherbert Treorchy Tylorstown Ynyshir Ynysybwl and Coed-y-Cwm Ystrad
Towns and villages	Aberaman Abercwmboi Abercynon Aberdare Abernant Beddau Blaenclydach Blaencwm Blaenllechau Blaenrhondda Britannia Bryncae Bryngolau Brynna Brynsadler Brynteg Buarth-y-Capel Bwllfa Dare Caegarw Carnetown Castell y Mwnws Castellau Cefn Rhigos Cefnpennar Church Village Cilfynydd Clydach Vale Coed-Ely Coedpenmaen Coed-y-Cwm Collena Croesbychan Cross Inn Cwm-Hwnt Cwmaman Cwmbach Cwmdare Cwmparc Cwmpennar Cymmer Dinas Rhondda Dolau Edmondstown Efail Isaf Ferndale Fernhill Foundry Town Gadlys Garden City Gelli Gilfach Goch Glan-y-ffordd Glan-y-llyn Glenboi Glyncoch Glynfach Glynhafod Glyntaff Godreaman Graig Graigwen Groes-faen Hawthorn Hendreforgan Hirwaun Hopkinstown Ilan Llanharan Llanharry Llanilid Llantrisant Llantwit Fardre Llwydcoed Llwyncelyn Llwynypia Maerdy Maesycoed Miskin, Mountain Ash Miskin, Pontyclun Mountain Ash Mwyndy Nantgarw Newtown Pantygraigwen Penderyn Penpisgah Penrhiwceiber Penrhiwfer Penrhys Pentre Pentrebach Pen-y-coedcae Penygraig Penygraigwen Penywaun Perthcelyn Pontcynon Pontsionnorton Pontyclun Pontygwaith Pontypridd Porth Pwllgwaun Rhigos Rhiw Ddar Rhiwsaeson Rhydyfelin Robertstown Roberttown Stanleytown Taff's Well Talbot Green Talygarn Thomastown Ton Pentre Tonteg Tonypandy Tonyrefail Trallwn Trealaw Trebanog Trecynon Treforest Trehafod Treherbert Trenant Treorchy Ty Fry Ty Rhiw Tyla Garw Tylcha Tylorstown Tynewydd Tynybryn Tyn-y-nant Tyntetown Upper Boat Upper Church Village Wattstown Williamstown Ynysangharad Ynysboeth Ynysddu Ynyshir Ynysmaerdy Ynyswen Ynysybwl Ystrad
Education	Aberdare Girls' School Aberdare High School Blaengwawr Comprehensive School Bryn Celynnog Comprehensive School Coleg y Cymoedd Hawthorn High School Mountain Ash Comprehensive School Pontypridd High School Porth Community School St. John the Baptist School Tonyrefail School Treorchy Comprehensive School University of South Wales Y Pant School Ysgol Gyfun Cwm Rhondda Ysgol Garth Olwg Ysgol Llanhari Ysgol Gyfun Rhydywaun
Rivers	Afon Clun Afon Sychryd River Cynon River Ely River Rhondda River Taff
Topic lists	Parliamentary constituencies Places SSSIs Listed buildings Grade I Grade II* Scheduled Monuments Registered parks and gardens High Sheriffs Lord Lieutenants Museums Public art Schools Place names
Major infrastructure	M4 motorway
Geography Wales category

v t e SSSIs in the United Kingdom, grouped by Area of Search
England	Avon Bedfordshire Berkshire Buckinghamshire Cambridgeshire Cheshire Cleveland Cornwall County Durham Cumbria Derbyshire Devon Dorset East Riding of Yorkshire East Sussex Essex Gloucestershire Greater London Greater Manchester Hampshire Herefordshire Hertfordshire Isle of Wight Kent Lancashire Leicestershire Lincolnshire Merseyside Norfolk North Yorkshire Northamptonshire Northumberland Nottinghamshire Oxfordshire Rutland Shropshire Somerset South Yorkshire Staffordshire Suffolk Surrey Tyne and Wear Warwickshire West Midlands West Sussex West Yorkshire Wiltshire Worcestershire
Scotland	Angus and Dundee Annandale and Eskdale Badenoch and Strathspey Banff and Buchan Berwickshire and Roxburgh Caithness Clydesdale and South East Glasgow Cumnock and Kyle Dumbarton and North Glasgow Dunfermline and Kirkcaldy East Perth East Ross and Cromarty Edinburgh and West Lothian Falkirk and Clackmannan Gordon and Aberdeen Inverness Islay and Jura Kincardine and Deeside Kintyre Lorne Mid and East Lothian Mid Argyll and Cowal Moray and Nairn Mull, Coll and Tiree Nithsdale North East Fife North Lochaber North West Sutherland North Wester Ross and Cromarty Orkney Renfrew and Cunninghame Rum and the Small Isles Shetland Skye and Lochalsh South East Sutherland South Lochaber South Perth South Wester Ross and Cromarty Stirling Tweeddale and Ettrick and Lauderdale West Perth Western Isles North Western Isles South Wigtown and Stewartry
Wales	Brecknock Carmarthen & Dinefwr Ceredigion Clwyd East Gwynedd Gwent Mid & South Glamorgan Montgomery Preseli & South Pembrokeshire Radnor West Glamorgan West Gwynedd
Northern Ireland	County Antrim County Armagh County Down County Fermanagh County Londonderry County Tyrone