The road measures 22.49 miles long and would take a car obeying speed limits 35 minutes to travel its length.
The A497 is a A Road and is located in the Zone 4 Highways Region.
This is a true long-distance route, journeying through numerous towns like Nefyn, Morfa Nefyn, Boduan, Llannor, Efailnewydd, PWLLHELI, Abererch, Chwilog, Llanystumdwy, CRICCIETH, Pentrefelin, PORTHMADOG, and Minffordd.
The road is located entirely within Gwynedd.