Erected by Penarth Town Council to commemorate the 80th Anniversary of the first swim of the Bristol Channel from Penarth to Weston-Super-Mare on 5th September 1927 in a time of 7 hours and 20 minutes by Miss Kathleen Thomas, 10 Bradenham Place, Penarth. Codwyd Gan Gyngor Traf Penarth er mwyn coffau achlysur noio Mor Hafren am y tro cyntaf erioed o Benarth I Weston-Super-Mare 80 mlynedd yn o lar y Sed o Fedi 1927 mewn 7 awr ac 20 munud gan MISS KATHLEEN THOMAS, 10 Bradenham Place, Penarth.