Originally opened on the 12th May 2006 the Llyn Coastal Path has undergone some significant changes since then. This guide is the most comprehensive and up to date version available. It is printed in short print runs and is therefore quickly and easily altered to take into account further changes as they occur. A straight line drawn from Clynnog Fawr to Cricieth or the anglicised, but generally accepted, Criccieth, marks the true Llyn Peninsula according to local opinion. Above these towns the line drawn from Caernarfon to Porthmadog is the area that can be called simply Llyn. The description of the Coastal Path in these pages describes the journey on foot from Caernarfon to Porthmadog.

The Llyn Peninsula Coastal walk is one of the great walks in Britain. A fit walker will be able to complete it in a week without much difficulty. Although a good percentage of the route is very well way marked and finger posted there are, however, sections that are not marked at all with some poorly so.

The first 17¼ miles from Caernarfon to Trefor are mostly completed on a road, the next 62¼ miles to Pwllheli follows a rugged coastline. The remaining 17¼ miles to Porthmadog are alongside, or on, beaches interspersed by short sections of road walking making a total of 96¾ miles for the walk described. Accommodation and shops are very few and far between on the northern part of the Peninsula after leaving Trefor. There are no youth hostels but some camping sites. The very good system of bus services, especially in summer, enables the Coastal Path to be accessed easily on a day to day basis from one of the main towns. This dissipates the problem of finding somewhere to stay the night.

The Llyn Peninsula is 30 miles long and extends into the Irish Sea on the north side and into Bae Cerdigion (Cardigan Bay) on the south. The Peninsula was travelled by many pilgrims on their way to Ynys Enlli (Bardsey Island). Some sections of the Coastal Path follow those ancient footsteps. Why not join them?