II*Tanyrallt On steeply sloping ground below the bend in the road; set amongst modern University buildings.
II*Hafod Lwyfog Located on the SE side of the Gwynant valley near the upper (NE) end of Llyn Gwynant, and accessed from the road via a short track; set behind low rubble forecourt walls with slate-flagging in front a
II*Parish Church of St Mary Located in the village centre at the end of the lane and set within its own walled churchyard.
II*Gwastad Annas (Old House) Located towards the NE boundary of the community, at the northern end of the Glaslyn valley; sited to the rear of and below the present late C19 farmhouse and accessed via the old valley road running
II*Cwm Dyli Power Station Located towards the northern boundary of the community in an isolated site on the E side of the Afon Cynnyd, at the end of the Glaslyn valley; accessed via a long track continuing on from the old vall
II*Ystumllyn Set back from the road 2km approx, to the E of the town, and 0.5km approx. Down a track.
II*Former Stables Set back from the road 2km approx, to the E of the town, and 0.5km approx. Down a track.
II*Wash House Set back from the road 2km approx, to the E of the town, and 0.5km approx. Down a track.
II*Parish Church of St Mary The parish church lies on a small by-passed section of the main road at the junction with the Cwm Pennant road. It stands within an irregularly shaped graveyard and is approached through a lych gate.
II*Church of St Cynhaearn The church stands alone on the former island in Llyn Ystumllyn, approx 900m S of Pentrefelin, and is reached by a track from the village.
II*Church of St Beuno Located on the end of an old road leading SW from the W end of Penmorfa village.
II*Wern Manor The manor is set in its own grounds, some 2km W of Tremadoc and S of Penmorfa village, and can be reached by the private driveway from the main road.
II*Ynys Pandy felin lechi The mill stands on a bluff overlooking the S bank of the Afon Henwy, in the Cwmystradllyn.
II*Clenennau This important farm stands on the NE side of the road from Tremadoc to Golan and Dolbenmaen.
II*Gorllwynuchaf The house stands alone on the moorland of Mynydd Gorllwyn, and is reached by a track approximately 1500m long from the Prenteg to Cwmystradllyn minor road.
II*Church of St Aelhaearn The church stands in the centre of a large irregular churchyard at the centre of the village, bounded by the road on the S and W.
II*Wern Fawr The farmhouse lies on a former trackway leading off the minor road from Llanbedrog to Rhyd-y-clafdy, at the N end of the community.
II*Church of St Pedrog The church is located on the first level ground above the beach, at the lower end of Llanbedrog, and close to the small stream with defines the churchyard on the SE.
II*Plas Glyn-y-Weddw The house is set in wooded grounds about 150m S of Llanbedrog church, and facing E to Cardigan Bay and Snowdonia over a front lawn.
II*Church of St Peris Located in the centre of Nant Peris at the western end of the Pass of Llanberis in a roughly rectangular-shaped churchyard with a stone lychgate dated 1929 on the northern side.
II*Church of St Padarn Located in a a prominent position on rising ground behind the Dolbadarn Hotel on the south side of Stryd Fawr (High Street); the churchyard is of irregular shape and is approached from the north throu
II*Capel Coch Situated on very slightly rising ground on the south side of Ffordd Capel-Coch, the chapel occupies a prominent position in the street; low rubblestone wall to street continues to east to enclose fore
II*Former Hospital and boundary walls Situated on level site above the north-east side of Llyn Padarn with spectacular mountain views; lies to north-west of the slate museum from which it is reached by a long drive; also approached over C
II*Felin Sarn On S side of minor road through village, about 1km E of junction with B 4547.
II*Plas Newydd Situated in sheltered parkland position near the Afon Llifon, the house is moated on 3 sides with a stone bridge on the north-west side; surrounding garden with stone walls, that on south-east side a
II*Tower at Fort Williamsburg Situated approximately 0.5km south-east of the house and reached by the south drive. The tower is the focal building within the Fort and is built on a mound near its north-west corner, between inner
II*Magazine at Fort Williamsburg Situated immediately beside the Tower near the north-west corner of Fort Williamsburg, approximately 0.5km south-east of the house. Reached via a tunnel passage from the Parade Ground.
II*Tunnel Passage at Fort Williamsburg On the northern side of the Fort linking the former Parade Ground and the Tower and beyond to the outer bastions. Fort Williamsburg is approximately 0.5km south-east of the house.
II*Gatehouse at Fort Williamsburg Built into the bank on the north side of the fort accessed from the main north entrance via a footbridge across the ditch; faces into the former parade ground. Fort Williamsburg is approximately 0.5k
II*Grand Lodge and forecourt walling Situated at the main entrance to Penrhyn Castle with forecourt and green to south; incorporated in park wall which runs to east and briefly to west before turning north-west towards Bangor; 2 large Do
II*Lon-Isaf Gate Located on its own on west side of former London to Holyhead Road, which is now by-passed by the present A 5 and serves as a minor gated road between the A 5 and Llandygai; cottage has low rubblestone
II*Llwyndyrus The farmhouse stands back from the road running NW from Y Ffor.
II*Plas-gwyn Plas-gwyn lies off the main Pwllheli to Caernarfon road, approximately 700m S of Y Ffor crossroads.
II*Church of St Michael Situated on its own in originally rectangular churchyard, now extended to north-east and south-east, on track between Bryn-llan and Plas Tirion approximately 0.75km south-west of Llanrug.
II*Bryn Bras Castle The castle occupies a triangular site at the junction of the road between Cwm-y-glo and Llanrug and the mountain route from Llanrug to Llanberis; the drive and parking area on the north represent the
II*Church of St Garmon The church is set in an elevated oval churchyard at the centre of the hamlet.
II*Church of St Cybi The parish church stands in its churchyard at the centre of the village.
II*Highgate The house is in a row on the NE side of the main street, E of the bridge.
II*Ty-newydd The house is reached from a drive off the road leading W of the village centre, past Lloyd George's grave.
II*Plas-du The farm lies to the S of the village of Pencaenewydd, SW of the former turnpike road to Porthdinllaen.
II*Glasfryn House The house is near the N boundary of the community, and is reached by a long driveway off the road running N of Pencaenewydd towards its junction with the A499.
II*Moriah Methodist Chapel The building is located at the centre of the village, set back from and below the road; opposite the Lloyd George Memorial Museum. The lawned churchyard has a low rubble boundary wall to the road.
II*Broom Hall Broom Hall lies in its own parkland, E of Pwllheli, and on the N side of the Criccieth to Pwllheli Road.
II*Grave of David Lloyd George The grave is on the N side of the road leading E from Pont Llanystumdwy, and on the wooded high bank of the Afon Dwyfor.
II*Long Barn at Vaynol Farm The long barn stands at the centre of the Vaynol Farm buildings, the gable end facing the E approach drive. The farm lies to the N of Vaynol Old Hall.
II*Bryntirion Bryntirion lies near the S end of Vaynol Park and is reached by a drive entered from the main road at Aber Pwll which climbs up through Bryntirion Lodge Wood to the sloping site of Bryntirion and its
II*Cefnamwlch Situated in the centre of wooded parkland approximately 1.5 km S of the centre of Tudweiliog. The main approach drive of some 1.2 km runs SW from the Lower Lodge entrance off a minor road from Tudwei
II*Bryn Nodol Situated approximately 1.4 km SE of the centre of Tudweiliog, approached by a 350m drive off the road to Dinas.
II*Church of St Tudwen Situated in isolated walled churchyard by Llandudwen farm, approached by drive running N off lane about 1.3 km W of Madryn Castle.
II*Gatehouse at Cefnamwlch Situated at the end and to the left of the main approach drive to Cefnamwlch, approximately 10m N of the NW corner of the main house.
II*Plas Glan-yr-Afon Located on the north side of a long, rough track running south-eastwards towards Waenfawr from the road between Bontnewydd and Caeathro; the house is separated from its farmbuildings by a rubblestone
II*Wern Situated at the end of a drive-way off the south-east side of the road by-passing Caeathro between Pont-rug and Bontnewydd; low rubblestone wall to front of main range with square piers and iron gate
II*Glan Gwna Hall Situated to the north of Ffordd Waenfawr in its own landscaped grounds, most of which are now occupied by the chalets and other structures associated with Glan Gwna Holiday Park.
II*St Michael's Church Located on the W bank of the Afon Conwy, 100m E of Betws-y-Coed railway station.
II*Pont-y-Pair Carrying the B5106 and fording the Afon Llugwy in the centre of the town.
II*St. Mary's Church Located immediately to the SW of the main road (A5) in the centre of the town.
II*Pont Gethin Spanning the Lledr valley dramatically at the western boundary of the community with that of Betws-y-Coed and spanning the A 470 Llanrwst to Dolwyddelan road; partly in Betws-y-Coed community.
II*Ty Mawr At head of Wybrnant Valley approx 2.5 km NW of Penmachno. Best reached via signposted minor road branching N off Penmachno-Glasgwm road approx 700m W of Penmachno village centre.
II*Cymryd Strikingly sited on low-lying land on the W bank of the Conwy estuary, at the E boundary of the community; accessed via a long track leading E from Brynseiri Road.
II*Wern Isaf (formerly Rose Briars) Reached from Park Road along private drive uphill to NE of Llanfairfechan; sited high above Penmaenmawr Road with extensive views over Conwy Bay to Puffin Island and Anglesey.
II*Parish Church of St. Mary Prominently sited in the town centre within a raised, rubble-walled churchyard; on sloping ground, the W end set into a hill.
II*Raised walk at Gwydir Castle Listed as a mid-Tudor carved courtyard or garden arch, with associated walls. Additional NG Ref's 27970 36097 to 27988 to 36107
Group value with other listed items at Gwydir Castle.
II*Pont Ysbyty Ifan Prominently located in the centre of the village and carrying the main road over the Afon Conwy.
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