Witches Cauldron on 27th July 2023 in Moylgrove, Wales, United Kingdom. The Witches Cauldron is a collapsed cave which is fed by the tide and sometimes accessed by coasteering groups and wild swimmers. The Pembrokeshire coast encompasses dramatic natural scenery of cliffs, meadow and moor and offshore islands. The Pembrokeshire Coast Path follows the coastline of this designated a national park, the Pembrokeshire Coast National Park.