The geology and cliff stability at Nefyn, North Wales - interim report

The cliffs fringing the bay between Penrhyn Nefyn and Penrhyn Bodeilas, within which sits Porth Nefyn, (Figure 1), have been subject to minor landsliding activity for many years. One such slip that occurred on 2 January 2001 resulted in the death of a visitor to the area. Following this incident, the British Geological Survey (BGS) has carried out a number of site visits to the area in order to investigate the geology and to conduct an outline assessment of the causes and mechanisms of landsliding in the area. This report presents the initial findings of ongoing research and considers the area immediately surrounding the location of the slip of 2 January.