List of Sites of Special Scientific Interest in West Glamorgan

This is a list of the Sites of Special Scientific Interest (SSSIs) in the West Glamorgan Area of Search. For SSSIs elsewhere in Wales, see List of SSSIs by Area of Search.

• Arfordir Pen-bre / Pembrey Coast
• Barland Common Stream Section, Bishopston
• Berry Wood
• Bishop's Wood
• Blackpill, Swansea
• Bracelet Bay
• Burry Inlet and Loughor Estuary
• Caeau Afon Gwili
• Caswell Bay
• Cefn Bryn Common
• Cefn Gwrhyd, Rhydyfro
• Cilybebyll
• Coed Cwm Du, Cilmaengwyn
• Coedydd Parkmill a Cwm Llethrid/Parkmill Woodlands and Llethrid Valley
• Crymlyn Bog
• Courthouse Grasslands
• Crymlyn Burrows
• Cwm Clydach, Cydweli
• Cwm Gwrelych and Nant Llyn Fach Streams
• Earlswood Road Cutting and Ferryboat Inn Quarries
• Eglwys Nunydd Reservoir
• Fairwood, Pengwern and Welshmoor Commons
• Felin Fach Meadows, Cwmgwili
• Frondeg
• Glais Moraine
• Gorsllwyn, Onllwyn
• Gower Coast
• Graig Fawr, Pontardulais
• Gwernydd Penbre
• Gweunydd Glan-y-glasnant
• Gwrhyd Meadows
• Hafod Wennol Grasslands
• Horton, Eastern and Western Slade
• Ilston Quarry
• Langland Bay (Rotherslade)
• Margam Moors
• Minchin Hole
• Morfa a Chraig Cwm Ivy / Cwm Ivy Marsh and Tor
• Nant y Crimp
• Nicholaston Wood
• Oxwich Bay
• Oystermouth Old Quarry
• Pant-y-Sais
• Penard Valley
• Penllergaer Railway Cutting
• Penplas Grasslands
• Penrice Stables and Underhill Cottage
• Penycastell, Cefn Cribwr
• Pwll-Du Head and Bishopston Valley
• Pyllau Machynys (Machynys Ponds)
• Rhossili Down
• Rose Cottage, Llethrid
• Sluxton Marsh, Whitemoor
• Smarts Quarry
• Tairgwaith
• Twyni Chwitffordd, Morfa Landimor a Bae Brychdwn/Whiteford Burrows etc