Harlech Porthmadog and Bala - OS Explorer Map OL18

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Harlech, Porthmadog & Bala - OS Explorer Map OL18.

Showing part of the Snowdonia National Park.

Sheet: OL18 (1:25000)

  • Manufacturer: Ordnance Survey
  • Maps area: Wales
  • Maps mapnumber: OL18
  • Maps scale: 1:25000