This is matched, at the opposite end of the High Street, by the West (or Water) Gate, which could only be approached from the sea in the 13th century.
Ac yn bartner iddi, ar ben arall y Stryd Fawr, mae’r Gât Orllewinol (neu’r Gât Ddŵr), y gellid ei chyrraedd o’r môr yn unig yn y 13eg ganrif.