To get to Caernarfon by car, take the A487 from Porthmadog or Bangor. If coming from Anglesey or Holyhead, take the A55 until junction 11, then follow the A5 to Caernarfon. From Snowdonia National Park, take the A4085. Alternatively, visitors can take the train to Caernarfon Station, which is situated in the town center.
If travelling from the south, the nearest major cities are Liverpool and Manchester. Both cities have train services to Bangor, where visitors can change for Caernarfon. From North Wales, visitors can also drive from popular tourist spots like Llandudno, Betws-y-Coed, and Conwy.
The closest airport to Caernarfon is Anglesey Airport, located approximately 27 miles away. Other nearby airports include Liverpool John Lennon Airport (76 miles), Manchester Airport (95 miles), and Birmingham Airport (139 miles).
If arriving at Anglesey Airport, the suggested route to Caernarfon is via the A55 and A487, which takes approximately 50 minutes by car.