Llangybi is situated on the A485, some 3.5 miles north-east of Lampeter. A long nineteenth century terrace is located on the south side of the A485, opposite the primary school, Ysgol-y-Dderi. Ysgol-y-Dderi opened in 1976 as an amalgamation of five village schools. The old school (NPRN 408912) is situated some 370m further north. St Cybi's Church (NPRN 419061) is medieval in origin, and is set back from the A485, some 260m north of Ysgol-y-Dderi. A holy well, Ffynnon Wen (NPRN 303541), is sited on the north side of the A485, some 140m south-west of Ysgol-y-Dderi.

N Vousden, RCAHMW, 6 June 2013