Last update 15 January 2026
Mileages are given in the form miles.chains unless stated otherwise. Figures prefixed with ≈ are approximate, those in parentheses are not on this route but are given for reference. Reference to 'start'/'end' of an asset are as read down the page.
distances in km 20.00 CAERNARFON 22.51 BONTNEWYDD 24.00 DINAS 27.12 TRYFAN 27.24 Tryfan Junction 30.28 WAUNFAWR 33.66 PLAS Y NANT 35.90 SNOWDON RANGER 39.20 RHYD DDU 44.38 MEILLIONEN 46.68 BEDDGELERT 49.29 NANTMOR 50.78 HAFOD Y LLYN 55.43 PONT CROESOR 57.95 PEN Y MOUNT 58.53 CAE PAWB 59.33 PORTHMADOG HARBOUR ≈59.49 junction with RFF (≈0m 18ch)