Original sentence: It is considered some of the best diving in Gwynedd.Porth Neigwl, over  long, has surfing even when other local beaches are blown out, producing great waves that are suitable for all levels of surfer.The area has excellent diving, the Ynysoedd Gwylanod proving particularly popular.The better surfers head for the northern end.The village is a popular centre for walkers and lies on the Llŷn Coastal Path {Welsh: Llwybr Arfordir Llŷn), which runs  from Caernarfon to Porthmadog.The wreck of the Glenocum, in Aberdaron Bay, is excellent for novices, and has a maximum depth of 8 metres.Underwater visibility at Bardsey Island extends to 20 metres and there is a rich variety of sea life
Edited sentence: Porth Neigwl, over  long, has surfing even when other local beaches are blown out, producing great waves that are suitable for all levels of surfer; the better surfers head for the northern end.The Ynysoedd Gwylanod are particularly popular, and the wreck of the Glenocum, in Aberdaron Bay, is excellent for novices, having a maximum depth of 8 metres.The area has excellent diving.The village is a popular walking centre and lies on the Llŷn Coastal Path {Welsh: Llwybr Arfordir Llŷn), which runs  from Caernarfon to Porthmadog.Underwater visibility at Bardsey Island extends to 20 metres and there is a rich variety of sea life; it is considered some of the best diving in Gwynedd