Harlech, Porthmadog & Y Bala

Map sheet number OL18 in the OS Explorer series is the perfect map for exploring the area of Harlech, Porthmadog and Y Bala. This dramatic region of the Snowdonia National Park is a walker’s paradise with mountain trails and coastline ready to be discovered.Highlights of the area include: Bala, Llyn Tegid, The Precipice Walk, and Harlech Castle.