IChurch of All Saints Located at the junction of the main Shrewsbury to Welshpool road and the B4388, the Leighton Road, near the crossing of the River Severn.
IChurch of Saint Cynog Situated in large churchyard in the centre of Defynnog village.
IChurch of Saint David In a prominent position in Llanddew, in the churchyard just W of the crossroads in the centre of the village.
IChurch of Saint David Situated some 1.2 km NW of Trecastle, on N side of A40, and E side of road to Tirabad.
IChurch of St Bilo In a prominent position in the centre of the village of Llanfilo.
IChurch of St Cewydd In a walled churchyard on the E bank of the River Ithon, and the S side of a minor road between Howey and Newbridge-on-Wye, approximately 1.7km WSW of Howey.
IChurch of St David In a round churchyard approximately 250m SW of the village centre and on the N side of the road through the village.
IChurch of St Ellywe Located at the head of the Cwm Rhyd-Ellywe, within a raised oval walled churchyard, on a small plateau beneath the Rh_s fawr.
IChurch of St Melangell In the upper part of Cwm Pennant, close to the confluence of Cwm Nant-ewyn. Preaching cross shaft in churchyard, reused as sundial pillar. Stone churchyard wall with lychgate and stile.
IChurch of St Michael Sited in large churchyard, with a few chest tombs, uphill from road junction in middle of the settlement.
IChurch of St Silin At centre of Llansilin village. Stone-walled churchyard with iron gates at west to High Street; prominent War Memorial of Celtic Cross form; sundial.
IChurch of St. Mary Magdalene Central position in small hamlet of Bleddfa. Nearly circular churchyard set back from triangular green on north side of A488. Ancient site, traditionally founded by the Irish saint Brendan in C6.
ICiliau Situated on a rock plateau above the east bank of the River Wye, 0.8km SE of Erwood.
ICottage attached to Maesyronnen United Reformed Chapel The chapel and adjoining cottage lie at the end of a lane off the road from the A.438 Hereford to Brecon Road to Ffynnon Gynnydd, near the top of a steep bank and overlooking the Cilcenni Dingle.
ICrickhowell Bridge Situated to SW of and below the town, spanning the River Usk and partly in Llangattock Community Council.
ICrickhowell Bridge (partly in Crickhowell community) Located between Crickhowell and Llangattock communities 0.4km NE of the Church of St. Cattwg. The bridge crosses the River Usk, and extends southwards, with its southernmost arch spanning the Nant O
ICrickhowell Castle (remains of) Situated to the SE of the High Street in Recreation Ground between Castle Road and Beaufort Street.
IDolforwyn Castle Located on a sharp promontory above the Severn Valley, in an excellent defensive position, with good views all round.
IEly Tower of Brecon Castle On motte to NE of Castle Hotel, within walled grounds of Bishop's Residence.
IGatehouse to Great Porthamel Located axially on the approach to Great Porthamel farmhouse, below the NW side of the main road from Talgarth to Hay.
IHay Castle Dominating the town with Back Fold, Castle Lane and Oxford Road bordering the castle grounds.
IKeep at Bronllys Castle Located strategically near the crossing of the Llynfi River, perched on a motte approximately 6m high
ILake Vyrnwy Dam In the Vyrnwy Valley, at the south-east end of this magnificent reservoir.
ILeighton Hall Located approximately 1.4km S of Leighton church. The Hall is reached by private road on the E side of the B4388 Buttington to Forden road, and is set in landscaped gardens.
ILeighton Hall Tower Located approximately 1.4km S of Leighton church. The Tower is SE of Leighton Hall, reached by short private road E of B4388. A second (currently disused) service road leads to SW side of the Tower.
ILlandrinio Bridge Partly within the community area of Bausley with Crigion. The bridge provides a crossing for the Llanfyllin to Shrewsbury Road over the River Severn, superceding a ford a little to the north.
IMaesyronnen United Reformed Chapel The chapel and adjoining cottage lie at the end of a lane off the road from the A.438 Hereford to Brecon Road to Ffynnon Gynnydd, near the top of a steep bank and overlooking the Cilcenni Dingle.
IMonaughty House Situated to W of the junction of A488 and B4356.
IMontgomery Castle Situated at the top of Castle Hill, reached by footpath from car park by Old Castle Farm.
INewton House Between the road and the River Usk; reached via drive to Golf Course.
IOld Gwernyfed Located on NW side of road from Talgarth to Felindre, and set within its own grounds at the end of an axial driveway from the entrance gates on the road. The former farm buildings lie immediately to
IOld Market Hall At the crossroads in the centre of the town.
IOld Vicarage Located close to and on a bend of the River Wye, set apart from the village, at the far S end at the end of the road.
IOuter Gateway at Powis Castle Forms the principle entrance to the castle, from the W. The retaining wall links the S pavilion with the main castle building.
IOwain Glyndwr's Parliament House Set into a continuous row of frontages midway along the street, opposite the enterance to Plas Macynlleth and to the left of the Owain Glyndwr Institute.
IPorth-Mawr Gatehouse Forward to the street and set into a long rubble crenelated wall now enclosing Porth Mawr house but formerly the castellated Herbert family mansion called Cwrt-y-Carw. Gatehouse adjoins side of house
IPowis Castle On a rock outcrop, in parkland to the S of the town.
IThe Tower At the S edge of Scethrog hamlet, bordering the River Usk, on a mound and surrounded by a vestigial moat within a stone walled garden. Reached off S side of A40.
ITheatre at Craig-y-nos The theatre is attached to the NW of the house with entrance from the corner of the front courtyard.
ITreberfydd (also known as Treberfedd) On rising ground above the S shore of Lake Llangorse, overlooking the Lake and Mynydd Troed, standing in a large garden and parkland reached by front and rear drives.
ITrefecca Fawr Located south of Trefeca hamlet, on a minor lane, approximately 100m from its junction with B.4560 Talgarth to Llangors road.
ITretower Castle Prominently sited SW of church on S side of Ty Llys farm, W of Tretower Court. Farm buildings are contained within the bailey walls
ITretower Court Approximately 150m S of the parish church on W side of a minor road between Tretower and A40
ITy Mawr Located on a platform site adjacent to the by-road leading SW off the B4345 to Berriew, S of Castle Caereinion.
IUsk Bridge Spanning River Usk, and linking Bridge Street with Watergate.