IIBryn-wern The house stands with its back to the W side of Cwm Pennant, near Moelfre.
IIBryn-y-wern The house stands NW of Wern Manor, and approximately 200m S of the Church of St Beuno in the village of Penmorfa.
IIBwlch-y-fedwen The house is in the middle of the village, set at right angles to the Tremadoc to Pwlleli Road.
IICarreg and Pilkington Tombs The two railed tombs are close to the S side of the nave of the Church of St Cynhaearn.
IICarreg-felin The farmhouse lies on well-wooded rising ground back from the main Tremadoc to Criccieth road, E of Pentrefelin village.
IICarthouse, Stable and Granary at Isallt-fawr Issalt-fawr lies at the wider S end of Cwm Pennant, on the lower slope of Moel Issalt. The carthouse building stands in front and at right angles to the main S front of the farmhouse.
IICefn-y-meysydd isaf The house lies at the end of a farm road leading off the minor Pentrefelin to Dolbenmaen road, and N of Pentrefelin village.
II*Church of St Beuno Located on the end of an old road leading SW from the W end of Penmorfa village.
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.
IIChurch of St Michael The church lies in the central section of the valley, set within its large churchyard on the low lying valley floor. Within the churchyard there are a number of gravestones of the first half of the C
II*Clenennau This important farm stands on the NE side of the road from Tremadoc to Golan and Dolbenmaen.
IICowhouse at Isallt-fawr Issalt-fawr lies at the lower S end of Cwm Pennant, at the foot of the slope of Moel Issalt. The cowhouse stands some distance away to the SE of the farmhouse
IIEreiniog The farmhouse stands on a hilltop, E of Ynyspandy mill and is reached by a farm road from Cwmystradllyn.
IIErwsuran The house lies in a hollow some 1km off the minor road from Prenteg to Cwmystradllyn, on the W facing slope overlooking Tremadoc.
IIFarm Building and Granary at Ystumcegid Ystum-cegid farm stands on a hilltop 2km S of Dolbenmaen. The farm building and granary lies opposite the SE end of the farmhouse and in line and directly to the SW of the outbuilding facing the yard
IIFarm Building at Ereiniog The farm building is on sloping ground SW of the farm house and with its gable against the road leading from Ystradllyn to Cwm Pennant.
IIField Cowhouse The building stands isolated, near the Cwm Pennant valley road, approximately half-way to the head of the valley, 150m ENE of Gilfach.
IIGarreg lwyd Cottage The building stands back from the track to Garreg-llwyd, E of the road running due N from the N end of Garndolbenmaen.
IIGates to Wern Manor The gates are adjacent to the lodge, on the S approach drive to Wern.
IIGilfach The house stands on the W side of the Cwm Pennant, approaching the head of the valley.
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.
IIGravestone of John Ystymllyn The headstone stands in the churchyard of the church of St Cynhaearn, on the N side of the path from the lychgate.
IIHaybarn at Tan-y-braich Tan-y-braich lies alongside the driveway to Garreg-llwyd in the Garndolbenmaen settlement NNE of the village. It is parallel to and close behind Tan-y-braich farmhouse.
IIIsallt-fawr The farm is set on sloping ground on the E side of the wider, lower section of Cwm Pennant, and is reached from a straight road leading E, N of Brynkir.
IILlys Cynhaearn The former vicarage stands on a by-road branching off the main Criccieth to Portmadoc road at the E end of Pentrefelin village,
IILodge Bridge The bridge carries the road from Cwm Pennant across the Afon Dwyfor to Golan, approximately 40m E of The Lodge.
IILodge, formerly for Brynkir The lodge stands in the lower end of Cwm Pennant, on the W side of where the road from Golan crosses the Afon Dwyfor and in the angle of the road from Dolbenmaen.
IILychgate at the Church of St Beuno The church stands at the end of a minor road running WSW from the W end of Penmorfa village. The lychgate is at the E end of the churchyard, standing high above the sunken road.
IILychgate to the Church of St Cynhaearn St Cynhaearn stands isolated approximately 900m S of Pentrefelin village. The lychgate stands in front of the churchyard wall and provides the entrance to the rectangular churchyard from the SW.
IILychgate to the Church of St Mary The lychgate stands across the angle of the cut off corner of the main Tremadoc to Caernarfon road, and the Cwm Pennant road.
IIMilestone Located on the N side of the old road from Portmadoc to Caernarfon and W of the track leading to Tyddyn Madyn.
IIMilestone The milestone is set in the wall at the margin of the main road, approximately 100m NE of Factory-Glaslyn.
IIMonuments to John Williams and Ellis Owen The two monuments stand immediately outside the W door of St Cynhaearn's church, on the right side of the path to the lychgate.
IIMynediad Cae Chwarae The gate is at the bend on the main Cricieth to Tremadoc road at the centre of the village of Penmorfa.
IINE Range of Farm Buildings at Plas Dolbenmaen The group of farm buildings lie immediately W of Plas Dolbenmaen farmhouse. The NE range lies parallel to the old road, and end on to the NW range.
IINW Range of Farm Buildings at Plas Dolbenmaen The group of farm buildings lie immediately W of Plas Dolbenmaen. The NW range flanks the entrance to the yard, the SW end cutting into the motte.
IIOrnamental Garden Pool at Wern Manor Wern Manor lies S of Penmorfa village, and is accessed from the main Portmadoc to Cricieth road. The pool is at the E end of the formal garden at the S of the house.
IIOutbuilding in line with the house at Erwsuran The former farm lies in a hollow off the road from Prenteg to Cwmystradllyn. The building stands to the NW in line with the farmhouse at Erwsuran.
IIOutbuildings at Erwsuran The outbuildings lie opposite the former farmhouse across a small yard.
IIOuthouse at Ystumcegid Ystum-cegid farm lies on a hilltop 2km S of Dolbenmaen. The outbuilding is at the SE end of the house, separated by a narrow yard.
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.
IIPentrefelin Church Hall The building stands back from the Tremadoc to Criccieth road and is reached by a short path leading to high ground N of the village.
IIPiggery at Ystumcegid Ystum-cegid lies on a hilltop about 2km S of Dolbenmaen. The piggery lies directly at the back of the back wing of the farmhouse, beyond the yard wall.
IIPlas Dolbenmaen The farmhouse stands in the angle formed by the elbow in the old Tremadoc to Caernarfon road, and the recently built by-pass.
IIPlas Holland The building, formerly the rectory, lies in its own grounds immediately to the W of the parish church.
IIPlas-isa The house is the more northerly of a pair of two at the centre of the village, set at right angles to the main Portmadoc to Cricieth road.
IIPont Brynkir The bridge is on the road from Golan to Brynkir, N of Pandy Clenennau.
IIPont Dolbenmaen The bridge is on the by-passed section of the Tremadoc to Caernarfon Road immediately S of the junction with the Cwm Pennant road.
IIPont Gyfyng The bridge is in the centre section of the Cwm Pennant, and carries a road across the Afon Dwyfor to former slate quarries and copper workings at Moelfre.
IIPont Llanfihangel (aka Pont Llan) North of the Church of St Michael, the bridge carries the valley road across the Afon Dwyfor sharply at right angles crossing to the E bank.
IIPont y Felin The bridge carries the minor road from Ynys and Cenin to its junction with the B4411 Penygroes to Criccieth road, crossing the Afon Dwyfach, near the road junction.
IIPont y pandy Located below Ynys Pandy mill, carrying the road to Cwmystradllyn over the Afon Henwy.
IISummer House at Wern Manor Wern Manor is a small country house approximately 2km W of Tremadoc. The gardens lies to the S and E of the house with the summer-house at the E end of the formal layout.
IITan-y-graig The house stands on a bank beneath Graig Gyfyng, and above the flood plain of the Afon Dwyfor in the centre of Cwm Pennant.
IITomb of David Owen The tomb is located in the churchyard of the Church of St Cynhaearn, set at the W end against the SE boundary wall.
IITwr Gwynllan The tower stands on the top of a hill 200m S of Old Brynkir Hall, in a plantation of trees, and can be reached from Brynkir Home Farm by a winding private farm road.
IITy-newydd Farmhouse The farmhouse stands back from the road running from the main A487 Tremadoc to Caernarfon Road to Garndolbenmaen.
IITy-newydd, with attached walls The house stands alone on the verge of a minor road from Prenteg to Cwm Pennant, in a re-entrant angle of the field wall.
IITyn-llan The house stands below the E end of the churchyard of the Church of St Beuno.
IIWashhouse Building at Plas Dolbenmaen The group of farm buildings lie immediately W of Plas Dolbenmaen, and form a yard with the motte in the W corner. The washhouse is adjacent to the house, and gable end on to the NE range.
IIWern Lodge The lodge stands back from the road, N of the railway bridge on the S approach drive to Wern, and faces the main, south, drive at its gated entrance.
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.
IIYsgubor Gerrig The house stands back from the main Tremadoc to Caernarfon road, approximately 600m SW of Dolbenmaen church.
IIYstumcegid The farmhouse stands on a hill, 2km S of Dolbenmaen, with its farm buildings on the S side, and is reached from the road from Dolbenmaen to Rhoslan.