Map sheet number OL18 in the OS Explorer series is the perfect map for exploring the area of Harlech, Porthmadog & 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
- Harlech castle