Talsarn is a hamlet in the community of Nantcwnlle, Ceredigion, Wales. It lies some 16 miles south of Aberystwyth, 64 miles north-west of Cardiff, and 178 miles from London. It is situated almost half-way between the towns of Lampeter and Aberaeron on the Ceredigion coast. The River Aeron passes close to Talsarn as it makes its way to the sea at Aber…Talsarn is a hamlet in the community of Nantcwnlle, Ceredigion, Wales. It lies some 16 miles south of Aberystwyth, 64 miles north-west of Cardiff, and 178 miles from London. It is situated almost half-way between the towns of Lampeter and Aberaeron on the Ceredigion coast. The River Aeron passes close to Talsarn as it makes its way to the sea at Aberaeron.