Lôn las Cymru - Gogledd North: Map swddogol ac arweinlyfr i 202 milltir o Her Feicio Fwyaf Cymru = The official route map & guide to 202 miles of Wales' ultimate cycling challenge.
Sustrans (Organization)
Stirling : Sustrans,
2003.
Parallel text in Welsh and English.
Relief shown by contours, gradient tints and spot heights.
Bicycle trails