IIBethel Chapel and attached cottages [Rhoslwyn and Bethel House) Situated by minor road junction at Rhos Isaf, the chapel and cottages have a low rubblestone wall with stone-on-edge coping to the front, the section in front of the chapel lower with slate coping and
IIBodgarad Situated in a remote, isolated location among pasture fields at the end of a long farm track running north-eastwards from Rhostryfan; narrow rubble-walled path leads from track to front of farmhouse.
IICae Hen Remote rural location close to the route of the former Welsh Highland Railway, reached by a track off the no-through road running south-eastwards from Bontnewydd; the farmhouse sits in a garden with l
IICae'r Gors Located on the left side of the road from Rhostryfan to the crossroads in Rhosgadfan, the cottage has a low rubblestone wall to the front and a high rubblestone wall with iron gate to the road.
IICalf-rearing House/Cowhouse at Bodgarad Located behind the farmhouse at Bodgarad, forming an L-shaped range of buildings with the cowhouse to the south-west.
IICefn Rhengwrt Situated approximately 1.5km south-east of Saron at the end of a short track off the road between Saron and Llandwrog; the farmhouse stands in a small garden with the farmbuildings immediately to the
IIChurch of St Gwyndaf Located immediately to the west of the line of the former Welsh Highland Railway in an originally oval-shaped churchyard now considerably extended to the north-west; high rubblestone wall on roadside
IICowhouse at Bodgarad Situated behind the farmhouse at Bodgarad, forming an L-shaped range of buildings with the adjoining calf-rearing house to the north-east.
IIErw Situated in a remote, isolated location among pasture fields on the north side of the no-through road/bridleway running south-eastwards from Bontnewydd towards Betws Garmon; drystone rubble-walled enc
IIFarmbuildings at Erw Located immediately to the south-west of the farmhouse at Erw.
IIGlan Gors Located approximately 0.5km north-east of Rhosgadfan close to and below the no-through road from Tyn Lwyn to Hafod Owen; rubblestone wall to road with slate path leading to cottage.
IIGorphwysfa Situated on the east side of the road between Rhosgadfan and Y Fron, the cottage is set in the rear right corner of a roughly rectangular enclosure with rubblestone walls, lower and topped with spear-
IIHay Barn at Bodgarad Situated behind the other farmbuildings to the east of the farmhouse at Bodgarad.
IIHay Barn to east of Ty-hen Located on the west side of the A 499 to the west of the main farmstead group at Ty-hen.
IIMaengwyn Situated on the south-east side of the A 499 approximately 0.5 km south of Llanwnda; set behind a low rubblestone wall with cut slate coping and iron railings with fleur-de-lys finials and urn-capped
IIPen-y-braich Situated in an edge-of-moorland location within its own stone-walled small field system at the end of a track running south from Rhosgadfan.
IIPigsties at Bodgarad Located slightly away from the other farmbuildings at Bodgarad, close to the farmhouse and on the other side of the track which runs through the farm.
IIRhosgadfan House Located at the end of a short driveway by sharp bend on the road between Rhosgadfan and Rhostryfan; the cottage has a low rubble wall (mainly drystone) to front.
IITafarn Hen (The Old Tavern) Located on the west side of the A 487 at the junction with the minor road running westwards to the Church of St Gwyndaf; low rubblestone wall to front.
IITan-y-ffynnon Situated on its own by roadside in pasture fields, enclosed by a hedge and rubblestone wall; traditional cottage garden on entrance side and large slate slab path and external privy to rear.
IITegfan and adjoining cottage to right Situated on south-east side of road in Rhosgadfan; rubblestone wall in front to pavement, original stone-on-edge coping mostly replaced with concrete finials and horizontal steel railing; iron gate to
IIThe Haven Situated on the east side of the main village street at Rhos Isaf with a smaller cottage [Ferndale] attached to the north gable end; low brick wall with privet hedge in front.
IITy-hen Situated on rising ground in pasture fields on the west side of the A 499 approximately 0.8km south-east of Llanwnda; the farmyard lies immediately to the east.
IITyddyn Engan Situated in edge-of-moorland location directly adjacent to track leading to Tan Foel Bach; small rubblestone-walled enclosure and slate path to front.
IITyddyn y Gwydd Set in a remote rural location close to the route of the former Welsh Highland Railway, reached by a track to the north of the no-through road running south-eastwards from Bontnewydd.
IITyddyn-Difyr and associated field walls Situated in isolated location above and to the north-east of Rhosgadfan on moorland edge within its own drystone-walled small field system, reached by a rough track from the road.
IITyn Llwyn Situated approximately 0.5km north of Rhosgadfan on its own in pasture fields at the head of the no-through road to Bod Owen; low rubblestone wall in front.
IITyn Twll Situated within its own irregular rubble-walled enclosure on moorland off the track running south-eastwards from Rhosgadfan towards the former Moel Tryfan Quarry.
IIVoryd Cottage and attached limekiln Set in a remote location on a minor road running along the south-eastern edge of Voryd Bay, a tidal mud estuary fed by Afon Gwyrfai and Afon Carrog.