Coordinates: 53°08′42″N 4°16′08″W / 53.145°N 4.269°W
The Llŷn Coastal Path is a waymarked 146-kilometre (91 mi) long-distance footpath running along the coast of the Llŷn Peninsula from Caernarfon to Porthmadog in Gwynedd, north-west Wales. A large part of the Llŷn Peninsula is designated an Area of Outstanding Natural Beauty.
Devised and implemented by Gwynedd County Council and the Countryside Council for Wales, the path opened in 2006, though it has since been changed and improved. This work is continuing as part of the path's integration into the Wales Coast Path, an 870-mile (1,400 km) long-distance walking route around the whole coast of Wales from Chepstow to Queensferry.
The route passes through hidden coves and beaches, along cliff-top paths, through small harbours and towns such as Caernarfon and Porthmadog, detours slightly inland where it rises to as much as 980 feet (300 m) and covers the coast of both north and south Llŷn. Snowdonia, Wales’ biggest National Park, lies to the east and the Irish Sea to the west. The weather in these parts can be unpredictable.