Swellies
53°13′13″N 4°10′22″W / 53.22028°N 4.17278°W
The Swellies or Swillies (Welsh: Pwll Ceris) is an area of treacherous water in the Menai Strait, Wales, most commonly referring to the stretch between the Britannia Bridge and the Menai Bridge.
53°13′13″N 4°10′22″W / 53.22028°N 4.17278°W / 53.22028; -4.17278
The Swellies or Swillies (Welsh: Pwll Ceris) is an area of treacherous water in the Menai Strait, Wales, most commonly referring to the stretch between the Britannia Bridge and the Menai Bridge.