Map sheet number OL18 in the OS Explorer map series, Harlech, Porthmadog & Y Bala, is the ideal 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.
Paper or Weatherproof (Active)?
In addition to the standard paper maps, you can also purchase weatherproof versions also known as 'Active' maps. They offer the same detail as the cheaper paper version but are encapsulated meaning that they are durable in wet weather.
You can also mark your route on the map and wipe it clean afterwards with water-based markers. If you plan on revisiting the area then we would strongly suggest the Active version of the map as the preferred choice.
This Map Covers
Bala, Llyn Tegid, The Precipice Walk, and Harlech Castle.