Old Ordnance Survey Maps of Caernarvonshire

  • These detailed maps normally cover an area of about one and a half miles by one mile. Each map includes an introduction.
  • They are available through our On-line Mapshop

  • Here are the details of maps for Portmadoc:

  • Caernarvonshire sheet 34.16 Porthmadog 1913 - published 2003; intro by Alan Godfrey. ISBN.978-1-84151-585-4

    This detailed map of Porthmadog (or Portmadoc) is double-sided for maximum coverage. The main map covers most of the town in detail, with individual buildings neatly shown; coverage extends eastward to Afon Glasslyn and southward toBron-y-garth. Features include Ffestiniog Railway with station, Croesor Tramway, New Wharf, Dock, Slate Wharf, Ballast Bank, Garth, St John's church, Tuhwnt-i'r-bwlch, The Park, Ynys Tywyn, High Street area, Llyn Bach, Town Hall, North Wales Slate Works, chapels, Bron-y-garth, etc. (NB. Cambrian Railway is on Tremadog map.)

    On the reverse we include about half of adjacent sheet 35.13 extending coverage eastward to Minffordd. Features here include Minffordd Junction station with transhipment sidings, GartbQuarry, Boston Lodge Railway Works, Ffestiniog Railway, cemetery.

    The map links up with sheet 34.12 Tremadog to the north.


    Follow this link for a complete list of our Caernarvonshire maps.

    You can order maps direct from our On-line Mapshop. For other information and prices, and other areas, go to The Index Page.


    Maps in the Godfrey Edition are taken from the 25 inch to the mile map and reduced to about 15 inches to the mile. For a full list of maps for Wales, return to the Wales page.

    The Godfrey Edition / godfreyedition@btinternet.com / 13 Feb 2011