IIBryn Eithin Set back on north side of main road in Pentre-castell at left end of terrace of cottages; separated from other cottages by high rubblestone wall, which along with similar wall to road encloses front g
IIBryn Glas Situated in an isolated position without vehicular access on a rock outcrop on hillside in small rubblestone-walled enclosure above the A 4086 at Nant Peris.
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
IICapel Jerusalem with former domestic accommodation to rear Located at the eastern end of Pentre-castell on the north side of the A 4086 immediately south of Dolbadarn Castle; a low rendered wall with iron gates forms a small forecourt to the street.
IICapel Rehoboth Located in the centre of Nant Peris on the north side of the A 4086 with the former school immediately to the west and a row of C19 terraced houses directly opposite; small forecourt in front with low
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*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.
IICwm-yr-Wrach Located in an isolated position within rubble-walled enclosure without vehicular access on hillside above the A 4086 at Nant Peris.
IIDolafon Located on the south-west side of Stryd Fawr (High Street), set back from the road in a stone-walled garden with several tall trees.
IDolbadarn Castle Situated on a natural rock outcrop in a strategic position at the north-west end of Llyn Peris, the castle forms a prominent feature in the landscape.
IIDolperis Situated in its own grounds on the west side of Stryd Fawr (High Street) towards its southern end.
IIEngine Shed Located at the foot of the Snowdon Mountain Railway directly to the south of Llanberis Station; a water tank manufactured by Bolling & Lowe of London is situated at the north-west corner of the shed.
IIFfynnon Beris Located in the garden of Tyn-y-Ffynnon on the east side of a farm track running northwards from the A 4086 at Nant Peris.
IIField Cowhouse at Ty Newydd Farm Situated on its own in fields immediately to the north of the track to Ty Newydd running off the minor road from Llanberis to Maen-Ilwyd-isaf.
IIFootbridge Situated over the former Llanberis-Caernarfon Railway in the grounds of Glyn Padarn close to the south-western shore of Llyn Padarn.
IIGlandwr Cottage Located on the SW side of the A4085, on the S edge of Llanberis, some 200m SE of Dolbadarn Castle.
IIGlyn Padarn Located on the north side of the A4086 approximately 1km north-west of Llanberis in wooded grounds running down the south-western shore of Llyn Padarn.
IIGroeslon Located in a remote upland position directly at right-angles to Ffordd Clegir to the north-west of the former Glyn-rhonwy Slate Quarry.
IIHafod Cottage Located on hillside on a rough track above the A 4086; low rubblestone wall in front of cottage.
IILower Viaduct Located towards the foot of the Snowdon Mountain Railway where it crosses the road and begins to ascend rapidly in height.
IIMilestone Located on the south side of the A 4086 in the Pass of Llanberis, near the junction of the road to Blaen-y-nant, about 1.5km south-east of Nant Peris.
IIMilestone Located at Gwastadnant on the south side of the A 4086 at the south-eastern approach to Nant Peris.
IIMilestone Located at the foot of Clogwyn Mawr on the A 4086 on the south side of Lyn Peris.
IIMilestone Located on the south side of the A 4086 towards the eastern end of the pass of Llanberis approximately 1km north-west of Pen-y-pass.
IIPen-y-bryn Located within its own small field system in a prominent position on rising ground above the A 4086 at Nant Peris.
IIPont Penllyn (partly in Llanddeiniolen community) Located at the north-western end of Llyn Padarn at the point where it is fed by the Afon Rythallt; the lake and river form the community boundary between Llanberis and Llanddeiniolen.
IIPont y Gromlech Spans the Afon Nant Peris in an isolated position on the A 4086 in the Pass of Llanberis about 2km south-east of Nant Peris.
IIRoyal Victoria Hotel Situated on slightly rising ground at the south-eastern approach to Llanberis.
IISnowdon View Situated on the south-western side of Fron Goch behind a rubblestone wall; the section immediately in front of the house is lower with railings and a central iron gate approached by slate steps.
IITalgae Located behind a low rubblestone wall on the A 4086 at the south-eastern edge of Nant Peris.
IITan-Hafotty Located in a remote position at the end of a track running off Ffordd Clegir to the north-west of the former Glyn-rhonwy Slate Quarry.
IITy Ucha'r Ffordd Located on a natural rock outcrop on the south-west side of the A 4086 overlooking Pentre-castell and Dolbadarn Castle; there is a stone retaining wall directly in front of the cottage.
IIWaterfall Viaduct Located above the spectacular waterfalls of Afon Hwch immediately to the north of Waterfall Station on the Snowdon Mountain Railway.
IIYnys-wen Located on the north-east side of the A 4086 approximately 0.5km north-west of Llanberis; set directly onto the pavement behind a snecked rubblestone wall with C20 iron railings to top.