Treffynnon is a hamlet of about twenty houses located in the community of Brawdy, between St Davids and Fishguard, about a mile inland from the A487 at Croesgoch in Pembrokeshire. On the edge of the village stands Treffynnon Chapel, a Welsh Calvinistic Methodist foundation, originally built in 1867 and rebuilt in 1876. Treffynnon has only one named roa…Treffynnon is a hamlet of about twenty houses located in the community of Brawdy, between St Davids and Fishguard, about a mile inland from the A487 at Croesgoch in Pembrokeshire. On the edge of the village stands Treffynnon Chapel, a Welsh Calvinistic Methodist foundation, originally built in 1867 and rebuilt in 1876. Treffynnon has only one named road with the unusual address of Council Houses, a row of six local authority dwellings dating from the 1960s known locally as The Street.