II1 Bryn Eglwys Located on south side of road at the west end of Bryn Eglwys at edge of steep hill which runs down past St Anne's Church towards Cil-geraint; low rubblestone wall in front, partly removed to right to
II1 Tyddyn Iolyn Located 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; low rubblestone boundary wall with sto
II2 Bryn Eglwys Located on south side of road at the west end of Bryn Eglwys at edge of steep hill which runs down past St Anne's Church towards Cil-geraint; low rubblestone wall in front, partly removed to right to
II2 Tyddyn Iolyn Located 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; low rubblestone boundary wall with sto
II22 Llandygai Village Situated on southern of the 2 roughly parallel roads running through Llandygai at junction with lane linking it to the northern road; low rubblestone wall to front.
II23 Llwybr Main, Mynydd Llandygai, Bangor Located on the south-west side of Llwybr Main near its junction with Ffordd Hebron; low dry rubblestone wall in front with gateway and continuation of wall to centre dividing small front garden from t
II24 Llwybr Main, Mynydd Llandygai, Bangor Located on the south-west side of Llwybr Main near its junction with Ffordd Hebron; low dry rubblestone wall in front with gateway and continuation of wall to centre dividing small front garden from t
II24 Tan y Bwlch, Mynydd Llandygai, Bangor Located on the south-west side of Tan Y Bwlch at junction with Ffordd Hermon; low dry rubblestone wall in front with stone-on-edge coping and continuation to centre dividing small front garden from th
II25 Tan y Bwlch, Mynydd Llandygai Located on the south-west side of Tan y Bwlch at junction iwht Ffordd Hermon; low dry rubblestone wall in front with stone-on-edge coping and continuation to centre dividing small front garden from th
II3 Bryn Eglwys Located on south side of road between Nos.1 & 2 and Nos.5, 6 & 7, Bryn Eglwys; low rubblestone wall to front, partly removed at each end to create vehicular accesses.
II3 Tan y Bwlch, Mynydd Llandygai, Bangor Located on the south-west side of Tan Y Bwlch near its junction with the road to Deiniolen; low dry rubblestone wall in front with stone-on-edge coping and continuation to centre dividing small front
II3 Tyddyn Iolyn Located 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; low rubblestone boundary wall with sto
II4 Bryn Eglwys Located on south side of road between Nos.1 & 2 and Nos.5, 6 & 7, Bryn Eglwys; low rubblestone wall to front, partly removed at each end to create vehicular accesses.
II4 Tan y Bwlch, Mynydd Llandygai, Bangor Located on the south-west side of Tan Y Bwlch near its junction with the road to Deiniolen; low dry rubblestone wall in front with stone-on-edge coping and continuation to centre dividing small front
II5 Located in roadside position on south side of the B 4409 approximately 400m east of Capel Shiloh; low rubblestone wall with piers and decorated iron pedestrian gates to front.
II5 Bryn Eglwys, Bethesda Located on south side of road at east end of Bryn Eglwys where it turns sharply to south-west; low rubblestone wall in front, partly removed at left end to create vehicular access and to middle for ca
II5, Tal Gae, Tregarth, Bangor, LL57 4AF, 23294 Located on south-west side of Tal Gae, set back from the road with lawn in front and C20 houses behind; attached to the left end of the original cottage is a large C20 'chalet' bungalow addition.
II6 Bryn Eglwys, Bethesda Located on south side of road at east end of Bryn Eglwys where it turns sharply to south-west; low rubblestone wall in front, partly removed at left end to create vehicular access and to middle for ca
II7 Bryn Eglwys, Bethesda Located on south side of road at east end of Bryn Eglwys where it turns sharply to south-west; low rubblestone wall in front, partly removed at left end to create vehicular access and to middle for ca
II7 Llandygai Village Occupies prominent corner position at junction of main road running from western entrance to village towards the Church of St Tegai with lane running at right-angles to south to join parallel road; lo
II7 Llwybr Main, Mynydd Llandygai, Bangor Located on the south-west side of Llwybr Main near its junction with the road to Deiniolen; low rubblestone wall in front and continuation to centre dividing small front garden from that of No. 8 Llwy
II8 Llandygai Village Situated immediately to the north-east of No.7 on the road towards the church; low rubblestone wall to roadside largely concealed by privet hedge is breached by wide vehicular access to No.9.
II8 Llwybr Main, Mynydd Llandygai, Bangor Located on the south-west side of Llwybr Main near its junction with the road to Deiniolen; low rubblestone wall in front and continuation to centre dividing small front garden from that of No.7 Llwyb
IIAir shaft to Llandygai Tunnel Situated on west side of A 5122 in pasture field above the Llandygai tunnel of the Chester to Holyhead Railway.
IIArfon Cottage Situated on southern of the 2 roughly parallel roads running through Llandygai at junction with lane linking it to the northern road; low rubblestone wall to front.
IIArfryn, Argoed & Coed llys Located at the south-eastern corner of the drying ground immediately to the north of the former kitchen garden to Penrhyn Castle; iron horizontal-railed enclosure to garden area on west.
IIBarn Range between main and outer yards at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
IIBod Feurig Located in lowland position on south side of track running eastwards from the minor road from Sling towards Mynydd Llandygai.
IIBodeilian Located on roadside south of Grand Lodge entrance to Penrhyn Castle on west side of the old main street through the village, which has now been by-passed by the new road to the west; rubblestone wall
IIBryn-Meurig Located at the end of a long drive running north from the B4409 about 0.5km west of Pont y Twr; the well-landscaped grounds contain a number of important specimen trees and a ruined ice house lies clo
IICaeherfyn Cottage Situated in roadside position directly at right-angles to minor road running northwards from Tregarth towards the A 5; garden to north is separated from small area immediately in front of cottage by l
IICapel Shiloh Located on south side of the B4409 near road junction; small forecourt has low rubblestone wall with ashlar coping topped by railings with piers and ornamental iron double gates to centre and smaller
IICart Shelter Range at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
IICeunant Situated in remote position at end of short rough track running off the road directly to the north-east of Pont y Ceunant; there is a steep drop immediately to the west of the rear gardens of the cott
IIChapel Remains Picturesquely located on gently rising ground to the north-west of Penrhyn Castle.
IICororion Located at end of track leading to the farmhouse from the minor road between Tyn lon and the A 5; low rubblestone wall with piers and decorative iron gates define garden on east; farmbuildings lie to
IICowhouse at Maes-Caradoc Attached by short link section to south end of Maes-Caradoc from which it projects at right-angles to the front.
IICowhouse to east of Blaen-y-nant Located in isolated position approximately 180m east of the farmhouse at Blaen-y-nant on the western side of the Afon Ogwen in the Nant Ffrancon valley below the A 5; low rubblestone wall protects eas
IICowhouse/Stables at Dinas Located immediately to the east of Pen Dinas Farmhouse; cobbled yards between it and the farmhouse and between it and the barn to the east.
IICowhouses and Barn in outer yard at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
IIDam to SW of former Felin Fawr Slate Works The dam is the upper of two once-similar structures across the Galedffrwd, retaining a reservoir to the NW of the lane leading to Mynydd Llandegai, SW of the former slate works.
IIDinas Farmhouse Situated in roadside position on minor road running roughly parallel with the Afon Ogwen to north-east of Tregarth; low rubblestone wall with stone-on-edge coping to front and separating the farmhouse
IIDockmaster's Office Located on the western quayside of New Dock at Porth Penrhyn towards it southern end.
II*Eastern Slab Mill at Felin Fawr Slate Works Located in the centre of yard at the Felin Fawr Slate Works, which adjoin the former Penrhyn Slate Quarry Railway and the west bank of the Afon Galedffrwd.
IIEngine House attached to south side of threshing barn at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
IIFairview Located on the east side of Lon Y Grug, a minor no-through road continuing northwards from Llwybr Main along the scarp; remnants of small field system surround the cottage.
IIFarmbuildings at Cororion Situated in sheltered position below and to north of the farmhouse at Cororion, the principal access to the farmbuildings is along a separate track reached off the minor road between Tyn lon and the A
IIFferm Tyn y Clwt Situated on west side of the B 4409 approximately 300m north of the cottages at Tanysgafell; rubblestone wall with hedge behind to roadside; altered and C20 farmbuildings above and beyond farmhouse.
IIFfrwd Galed Located in roadside position on south side of the B 4409 approximately 400m east of Capel Shiloh; low rubblestone wall with piers and decorated iron pedestrian gates to front.
IIFicardy Located on west side of the old main street through the village (Telford's London to Holyhead turnpike road), which has now been by-passed by the new road to the west; low rubblestone wall in front wi
IIFormer Cottages at Cororion Located to the north-east of the farmhouse at Cororion on the south side of the track leading to the farmhouse from the minor road between Tyn Ion and the A5.
IIFormer Locomotive Shed Located on eastern quayside of New Dock towards its southern end at the terminus of the former Penrhyn Railway.
IIFormer Sawmill Manager's House Situated directly to the east of Tre-felin Cottages at the entrance to the former Tre-felin Saw Mill in the shadow of the viaduct of the Chester to Holyhead railway; curved rubblestone wall with slate
IIGelli Located opposite churchyard of Eglwys y Santes Fawr at junction of Lon-y-Wern (minor road to Bryn-twrw) and B 4409; low rubblestone wall with decorated iron gates and cobbled paths in front of cottage
IIGlasinfryn Viaduct (partly in Pentir community) Viaduct on the disused Bethesda branch railway spanning the Afon Cegin immediately to the south of the new A 5 just to the east of Glasinfryn.
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
IIGyfing Located on hillslope c.0.5km south of Sling directly on track running off road from Sling close to point where Sling road meets road from Mynydd Llandygai to Tregarth; low rubblestone wall with slate
IIH-shaped Cowhouse Range to north of main yard at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
IIHafan Situated in roadside position on south side of B 4409 approximately 0.5km east of Felin-hen; low rubblestone wall in front with decorative iron gates.
IIHafan Deg Situated immediately to the east of Capel Shiloh on the south side of the B4409 near road junction; low rubblestone wall in front to roadside.
IIHorse Drinking Trough and Fountain Built into the park wall to Penrhyn Castle on the north side of the road between Llandygai and Tal-y-bont approximately 40m west of the bridge over the Afon Ogwen.
IIL-shaped Stable and Carriage Shed Range to main yard at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
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
IILyric Cottage Located on roadside south of Grand Lodge entrance to Penrhyn Castle on west side of the old main street through the village, which has now been by-passed by the new road to the west; rubblestone wall
IIMaes-Caradoc Remote roadside position on minor valley road running parallel with the A5 along the Ogwen valley; low rubblestone wall in front of right end of farmhouse with stone-on-edge coping to sides and iron g
IIMaes-y-Gerddi Situated on the eastern side of the former kitchen garden to Penrhyn Castle, the garden wall itself is breached by the building; a straight tarmac drive leads to the western entrance to the walled gar
IIMilestone Located near sharp bend on south-east side of B 4409 at Tyn Lon between Felin-hen and Tregarth; set in rubblestone boundary wall.
IINeuadd Talgai Situated directly to the north of the Church of St Tegai with the wall to Penrhyn Park to the north; separated from the churchyard by the railings running along the northern side of its yew-lined aven
II*New Dock (quay) Built on Bangor flats at the mouth of the Afon Cegain which flows into the Menai Strait at this point.
IINew Mill House Situated in roadside position on sharp bend of the B 4409; the house is screened from the road by a high slate slab wall with slab coping.
IINo.1, B 4409, Tyn lon Situated in roadside position on south side of B 4409 approximately 0.5km east of Felin-hen; low rubblestone wall in front with decorative iron gates.
IINorthern Cottage at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
IIOutbuildings at Ceunant One outbuilding situated on main approach to cottages, other straddling southern boundary of left cottage.
IIPair of Cowhouses at Pentre Farm Located directly to east of farmhouse at Pentre Farm on opposite side of road, below which they are set, the upper parts of their south-west gable ends being approximately at road level.
IIPant-y-Cyff Situated in pasture fields at end of short farm track off the south-east side of the B 4366; low rubblestone wall with stone-on-edge coping in front of farmhouse.
IIPant-y-Lon Situated in roadside position on minor road running from Mynnydd Llandygai towards Tregarth at entrance to drive-way of farmhouse at Chwarel Goch Isaf; low rubblestone wall with stone-on-edge coping i
IIParapet/Boundary Walls on Port Lodge approach to Penrhyn Castle Eastern continuation of abutments to Pont Penrhyn, on the north side running down the lane between the Penrhyn Estate Office and Port House and on the south side towards Port Lodge; the walls also con
IIPen Dinas Located at western end of Ffordd Dinas, a short track leading eastwards to the Iron Age fort of Pen Dinas, where it meets main road; house at right-angles to road with low rubblestone wall to front (F
IIPen-y-llyn Set in its own stone-walled small field system in roadside location on moorland edge; spectacular backdrop of waste heaps from Penrhyn Slate Quarry with mountain scenery beyond.
IIPenrala Cottage Situated immediately to the east of Capel Shiloh on the south side of the B4409 near road junction; low rubblestone wall in front to roadside.
IPenrhyn Castle Set in landscaped grounds of Penrhyn Park in elevated position surrounded by open lawns and some trees at end of long winding drive from Grand Lodge; dominates the surrounding countryside.
IIPenrhyn Estate Office Situated directly to the east of Port House and approximately 30m north-west of Port Lodge; low rubblestone wall in front with privet hedge following curve of road and ashlar gate piers aligned on mai
IIPentre Farmhouse Remote roadside position on minor valley road running parallel with the A5 along the Ogwen valley; low rubblestone wall in front of farmhouse with stone-on-edge coping and iron gate and steps to centr
IIPlas y Coed Located at end of drive-way running south-eastwards from the area in front of Port Lodge; tarmac area on north used for car parking; garden to south overlooks Penrhyn Park.
IIPont Coed-y-parc Carrying the minor road running south-westwards from Coed-y-parc towards Mynydd Llandygai over the course of the disused Penrhyn Quarry Railway.
IIPont Coetmor (partly in Llanllechid and Bethesda communities) Spanning the Afon Ogwen on the minor road between Tregarth and Rachub with the railway bridge of the disused Bethesda branch of the London and North-Western Railway also crossing the river a little to
IIPont Marchogian Reached along the footpath (dismantled railway) below the road. Spanning the River Cegin near the Old Wharf. Wooded site below the modern Glantraeth estate; at a splayed angle to the later railway br
IIPont Ogwen (partly in Llanllechid community) Spanning the Afon Ogwen immediately to the south-west of the A 5 at the entrance to the Ogwen Bank Caravan Park; carries a track over the river skirting the eastern side of the Penrhyn Slate Quarry.
IIPont Penrhyn (partly in Bangor community) Spanning the Afon Cegin just south of the present main approach to the docks at Porth Penrhyn, the road carried by the bridge leads to the Port Lodge entrance to Penrhyn Castle.
IIPont y Twr (partly in Bethesda community) Spanning the Afon Ogwen a little to the west of the A 5 on the minor road between Braichmelyn and Coed-y-parc; picturesque location.
IIPort House Located at the southern end of the harbour at Porth Penrhyn on junction of the two approach roads; small slate-paved forecourt with low wall and marks of former railings; garden to rear (south) bounde
IIPort Lodge Located at west (Porth Penrhyn) entrance to Penrhyn Castle; the park wall continues to north and south; Virginia creeper grows over the higher part of the lodge.
IIPrivies to Nos.23 & 24 Situated immediately to the rear of the 2 cottages on their shared boundary.
IIPrivy to No.7 Situated to west of cottage on its north-western partly slate-fenced boundary.
IIQuarry Office Located at centre of quarry on 'Red Lion' Level with majority of working buildings to north.
IIRailway viaduct (partly in Bangor community) Carrying the Chester to Holyhead main line over the Afon Cegin. Reached along the North Wales Path (course of the former Penrhyn narrow gauge railway) north of the minor road between Llandygai and Min
IIRose Cottage Situated immediately to the north-east of No.7 on the road towards the church; low rubblestone wall to roadside largely concealed by privet hedge is breached by wide vehicular access.
IISlate Direction Indicators Located in rubblestone boundary wall opposite Bodeilian and Lyric Cottage on north-east side of road leading from Llandygai towards Tal-y-bont.
IISouthern Cottage at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
IIStables at Pentre Farm Situated on hillslope immediately to south of Pentre Farmhouse.
IITan y Graig Located on west side of the old main street through the village (Telford's London to Holyhead turnpike road), which has now been by-passed by new road to the west, the house sits next to the slip road
IITan-y-Bryn Located on west side of the old main street through the village (Telford's London to Holyhead turnpike road), which has now been by-passed by new road to the west; hedge in front with decorative iron
IITan-y-Bryn Located on west side of the old main street through the village (Telford's London to Holyhead turnpike road), which has now been by-passed by new road to the west; hedge in front with decorative iron
IITan-y-Bryn Located on west side of the old main street through the village (Telford's London to Holyhead turnpike road), which has now been by-passed by new road to the west; hedge in front with decorative iron
IITanysgafell Situated on the B 4409 between Braichmelyn and Tregarth, the cottages are slightly set back from the road and are well screened by vegetation to the front.
IITanysgafell Situated on the B 4409 between Braichmelyn and Tregarth, the cottages are slightly set back from the road and are well screened by vegetation to the front.
IITanysgafell Situated on the B 4409 between Braichmelyn and Tregarth, the cottages are slightly set back from the road and are well screened by vegetation to the front.
IITanysgafell Situated on the B 4409 between Braichmelyn and Tregarth, the cottages are slightly set back from the road and are well screened by vegetation to the front.
IIThe Anchorage Situated in fairly extensive grounds immediately west of the main entrance to Neuadd Talgai; rubblestone walling to roadside with entrance on west; park wall to Penrhyn Park forms northern boundary.
IIThe Cottage Located to the north-east of Port House and immediately north-west of the Penrhyn Estate Office; the cottage has a small garden in front and is approached from the west by a short flight of steps.
IIThe Old School House Situated directly to the north of the Church of St Tegai with the wall to Penrhyn Park to the north; separated from the churchyard by the railings running along the northern side of its yew-lined aven
IIThreshing Barn at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens
IITre-felin Cottages One of a series of 4 paired cottages following curve of road and thus forming a crescent to west of the former Tre-felin Sawmill; low rubblestone wall to roadside, while to south are long gardens terr
IITre-felin Cottages One of a series of 4 paired cottages following curve of road and thus forming a crescent to west of the former Tre-felin Sawmill; low rubblestone wall to roadside, while to south are long gardens terr
IITre-felin Cottages One of a series of 4 paired cottages following curve of road and thus forming a crescent to west of the former Tre-felin Sawmill; low rubblestone wall to roadside, while to south are long gardens terr
IITre-felin Cottages One of a series of 4 paired cottages following curve of road and thus forming a crescent to west of the former Tre-felin Sawmill; low rubblestone wall to roadside, while to south are long gardens terr
IITre-felin Cottages One of a series of 4 paired cottages following curve of road and thus forming a crescent to west of the former Tre-felin Sawmill; low rubblestone wall to roadside, while to south are long gardens terr
IITre-felin Cottages One of a series of 4 paired cottages following curve of road and thus forming a crescent to west of the former Tre-felin Sawmill; low rubblestone wall to roadside, while to south are long gardens terr
IITre-felin Cottages One of a series of 4 paired cottages following curve of road and thus forming a crescent to west of the former Tre-felin Sawmill; low rubblestone wall to roadside, while to south are long gardens terr
IITre-felin Cottages One of a series of 4 paired cottages following curve of road and thus forming a crescent to west of the former Tre-felin Sawmill; low rubblestone wall to roadside, while to south are long gardens terr
IIWalling and Depots on east side of former turnpike road (old A 5) Running alongside the eastern side of the former London to Holyhead Road, the stretch of walling runs northwards from where the old road leaves the present course of the A 5 up to the cottages at Lon
IIWash House opposite Caeherfyn Situated on other side of road directly opposite Caeherfyn; rubblestone wall on either side.
IIWater Mill & Wheel House at Felin Fawr Slate Works Located on the eastern side of the yard at the Felin Fawr Slate Works, which adjoin the former Penrhyn Slate Quarry Railway and the west bank of the Afon Galedffrwd.
IIWeigh House at Lon-Isaf Gate Situated on the eastern side of the former London to Holyhead Road directly opposite the associated toll keeper's cottage (Lon-Isaf Gate).
IIWern-fawr Located in roadside position on north-west side of minor road running northwards from the B 4409 at Tyn lon towards the A 5.
II*Western Slab Mill at Felin Fawr Slate Works Situated on the western side of the Felin Fawr Slate Works, which adjoin the former Penrhyn Slate Quarry Railway and the west bank of the Afon Galedffrwd.
IIY Berllan Located at the south-western corner of the drying ground immediately to the north of the former kitchen garden to Penrhyn Castle; a low rubblestone wall encloses the cottage's garden on the east side
IIY Berllan Located at the south-western corner of the drying ground immediately to the north of the former kitchen garden to Penrhyn Castle; a low rubblestone wall encloses the cottage's garden on the east side
IIY Parc Set in stone-walled small field system at end of rough stone track in remote hillside position on moorland edge immediately to the south-east of the former quarry village of Sling; extensive views.
IIYsgol Llandygai & School House Situated in centre of village to south-west of church; school has playground to front and front garden of School House is boarded by substantial rubblestone block wall with regularly spaced buttresses