List of Sites of Special Scientific Interest in West Gwynedd
Encyclopedia
This is a list of the Sites of Special Scientific Interest (SSSIs) in the West Gwynedd
Area of Search
; for eastern Gwynedd see List of SSSIs in East Gwynedd. For SSSIs elsewhere in Wales
, see List of SSSIs by Area of Search.
Gwynedd
Gwynedd is a county in north-west Wales, named after the old Kingdom of Gwynedd. Although the second biggest in terms of geographical area, it is also one of the most sparsely populated...
Area of Search
Area of Search
Areas of Search are geographical areas used in the selection of Sites of Special Scientific Interest. In England these are largely based on the 1974–1996 administrative counties...
; for eastern Gwynedd see List of SSSIs in East Gwynedd. For SSSIs elsewhere in Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...
, see List of SSSIs by Area of Search.
- Aber Geirch
- Aber Mawddach/Mawddach Estuary
- Aberdunant
- Afon Gwyrfai a Llyn Cwellyn
- Afon Seiont
- Arfordir Gogleddol Penmon
- Baron Hill Park
- Beddmanarch-Cymyran
- Benallt Mine and Nant y Gadwen
- Berwyn
- BroadwaterBroad WaterBroad Water, or Broadwater, is a salt water lagoon near Tywyn, Wales, formed from the silted up estuary of the River Dysynni. In the eighteenth and nineteenth centuries, the estuary was used by the shipbuilding industry, as small sailing ships were launched to carry peat from the local peat bogs...
- Bryn y Gwin Isaf
- Bwrdd Arthur
- Cadnant Dingle
- Cae Gwyn
- Caeau Talwrn
- Caeau Tan y Bwlch
- Caeau Tyddyn Dicwm
- Cappas Lwyd
- Carmel Head
- Carreg y Llam
- Cemlyn Bay
- Clegir Mawr
- Clogwynygarreg
- Coed Cwmgwared
- Coed Dinorwig
- Coed Elernion
- Coed Tremadog
- Coed y Gell and Morfa Dulas
- Coedydd Aber
- Coedydd Afon Menai
- Coedydd Beddgelert a Cheunant Aberglaslyn
- Coedydd Nanmor
- Coedydd Nantgwynant
- Cors Bodeilio
- Cors Bodwrog
- Cors Erddreiniog
- Cors Geirch
- Cors Goch
- Cors Graianog
- Cors Gyfelog
- Cors Hirdre
- Cors Llanllyfni
- Cors Llyferin
- Cors y Farl
- Craig Wen/Cors Castell
- Craig-y-Garn
- Craig yr AderynCraig yr AderynCraig yr Aderyn, , is a hill rising to a height of over above sea level on the south bank of the River Dysynni near Llanfihangel-y-pennant in the county of Gwynedd, north-west Wales....
(Bird's rock) - Cwm Dwythwch
- Dinas DinlleDinas DinlleDinas Dinlle is a small settlement in Gwynedd, north-west Wales, with a large sand and pebble beach with vast areas of sand from mid-tide level. The foreshore consists of natural pebble banks. The popular beach offers views towards the Llŷn Peninsula and towards Ynys Llanddwyn on Anglesey...
- Dolorgan Barn
- Fferam Uchaf
- Gallt y Bwlch
- Glanllynnau a Glannau Pen-ychain i Gricieth
- Glannau Aberdaron
- Glannau Penmon - Beaumaris
- Glannau PorthaethwyGlannau PorthaethwyGlannau Porthaethwy is a designated Site of Special Scientific Interest along the northern shore of the Menai Strait in North Wales. It is a linear designation that extends some along the shore from Britannia Bridge in the west to Craig y Don in the east...
- Glannau Rhoscolyn
- Glannau Tonfanau i Friog
- Glannau Ynys Gybi/ Holy Island Coast
- Glan-traeth
- GlaslynGlaslynGlaslyn is a lake in the Snowdonia National Park in Gwynedd, north-west Wales.It is found at approximately above sea level in a cwm on the eastern flanks of Snowdon...
- GlynllifonGlynllifonGlynllifon is the name of the old estate which belonged to the Lords Newborough, near the village of Llandwrog on the main A499 road between Pwllheli and Caernarfon in Gwynedd, Wales The original mansion is now a privately owned Country House hotel and wedding venueThe greater part of the original...
- Gwenfro and Rhos y Gad
- Gwydir Bay
- Henborth
- Llanbadrig - Dinas Gynfor
- Llwyn y Coed
- Llyn AlawLlyn AlawLlyn Alaw is a man-made reservoir on Anglesey, North Wales. It is used to supply drinking water to the northern half of the island and does so at a rate of 35 million litres a day. It was created in 1966 on existing marshland....
- Llyn Bodgylched
- Llyn Garreg-lwyd
- Llyn Glasfryn
- Llyn Hafodol and Cors Clegyrog
- Llyn Llygeirian
- Llyn LlywenanLlyn LlywenanLlyn Llywenan is a lake in western Anglesey, Wales found just over north of the village of Bodedern and east of the town of Holyhead. At a maximum length of and breath of it has a surface area of only...
- Llyn Maelog
- Llyn PadarnLlyn PadarnLlyn Padarn is a glacially formed lake in Snowdonia, Gwynedd, north Wales, and is an example of a moraine dammed lake. The lake is approximately long and at its deepest point is deep. At its south-eastern end it is linked to the neighbouring Llyn Peris...
- Llyn Padrig
- Llyn PerisLlyn PerisLlyn Peris is a lake in Snowdonia, Wales, approximately 1.8 km long and situated close to the villages of Llanberis and Nant Peris. The lake was formed glacially and is an example of a moraine-dammed lake. Llyn Peris is named after Saint Peris, an early Christian saint of whom little is known...
- Llyn Traffwll
- Llynnau y Fali - Valley Lakes
- Llystyn Isaf
- Malltraeth Marsh/Cors DdygaMalltraeth MarshMalltraeth Marsh is a large marsh area in Anglesey, North Wales, located northeast of Malltraeth village, north of Llangaffo and south of Rhostrehwfa...
- Mariandyrys
- Moel HebogMoel HebogMoel Hebog is a mountain in Snowdonia, north Wales which dominates the view west from the village of Beddgelert...
- Moel TryfanMoel TryfanMoel Tryfan is a small mountain near the villages of Rhosgadfan, Y Fron and Betws Garmon, in northern Gwynedd. The higher and more famous peak of Tryfan above Dyffryn Ogwen has also sometimes been referred to as "Moel Tryfan" in the past....
- Moelypenmaen
- Morfa Abererch
- Morfa Dinlle
- Mountain Cottage Quarry
- Mwyngloddia Wnion a Eglwys Sant Marc
- Mynydd Parys
- Mynydd Penarfynnydd
- Mynydd Tir y Cwmwd a'r Glannau at Garreg yr Imbill
- Nantannog
- Newborough WarrenNewborough WarrenNewborough Warren near the village of Newborough is part of a National Nature Reserve, in Anglesey, Wales. It includes Llanddwyn Bay and Malltraeth Bay, divided by Llanddwyn Island, and part of the Anglesey Coastal Path ....
- Ynys LlanddwynYnys LlanddwynYnys Llanddwyn or Llanddwyn Island is a small tidal island off the west coast of Anglesey, North Wales. The nearest town is Newborough.-Geology and geography:... - Pant Cae Haidd
- Pen Benar
- PenmaenPenmaenPenmaen may refer to one of several places in Wales:*Penmaen, Caerphilly*Penmaen, SwanseaSee also:*Penmaenmawr, Conwy County Borough...
- Penrhos Lligwy
- Penrhynoedd Llangadwaladr
- Porth Ceiriad, Porth Neigwl ac Ynysoedd Sant Tudwal
- Porth Diana
- Porth Dinllaen i Borth Pistyll
- Porth Towyn i Borth Wen
- Puffin IslandPuffin Island, AngleseyPuffin Island is an uninhabited island off the eastern tip of Anglesey, Wales. It was formerly known as Priestholm in English and Ynys Lannog in Welsh.-Geography:...
(Ynys Seiriol) - Rhiw-for-fawr
- Rhoscolyn Reedbed
- Rhosgyll Fawr
- Rhosneigr
- Rhosneigr Reefs
- Rhyllech Uchaf
- Salbri
- Talhenbont
- The SkerriesThe Skerries, AngleseyThe Skerries are a group of sparsely-vegetated rocky islets, with a total area of about , lying 3 km offshore from Carmel Head at the northwest corner of Anglesey, Wales...
- Tiroedd a Glannau Rhwng Cricieth ac Afon Glaslyn
- Traeth Lafan
- Traeth Lligwy
- Tre Wilmot
- Tre'r Gof
- Trum y DdysglTrum y DdysglTrum y Ddysgl is a mountain in Snowdonia, north Wales and is the second highest summit on the celebrated Nantlle Ridge. It is also one half of the two Marilyns that make up the ridge, the other being Craig Cwm Silyn....
- Trwyn Dwlban
- Trychiad ffordd Moel Hafod Owen
- Ty Croes
- Tyddyn y Waen
- Tyn-Llan
- Tywyn Aberffraw
- Waun Eurad
- Wern Road Section
- Wig Bach a'r Glannau i Borth Alwm
- Y Foryd
- Y Werthyr
- Ynys Enlli
- Ynys FeurigYnys FeurigYnys Feurig is the name for a set of three small inter-connected low-lying inshore tidal rocky islets , lying off from the west coast of Anglesey, North Wales, just north of the village of Rhosneigr and south of RAF Valley airfield. They are also known by the English name Starvation Island...
- Ynysoedd y Gwylanod, Gwylan Islands
- Yr ArdduYr ArdduYr Arddu is a mountain peak in Snowdonia at 389 Metres high and situated approximately 2.5 Km south east of Beddgelert village and just over 1 Km from the rather more famous mountain Cnicht. It is a rugged hill with widespread rock outcrops and cliffs and as a consequence it is not commonly climbed...
- Yr EiflYr EiflYr Eifl is a mountain on the north coast of the Llŷn peninsula in Gwynedd, north-western Wales.It has three summits, each quite separate from the others, and this is often supposed to be the source of the English name The Rivals...