The roads are good, with Bangor and the A55 expressway around 15 minutes away. Liverpool and Manchester airports are around 2 hours, Dublin about 3 hours (including fast ferry) and Cardiff around 4 and a half hours.
From London allow 5 hours for your journey. Exit the M6/J20 onto M56. Follow signs for Queensferry / North Wales onto A55. Exit A55/J9 onto A487 then follow signs for Caernarfon onto the A487 for 7 miles.
Note: All day parking is available behind the castle at a reasonable price, with other car parks more ideally suited to short-term parking.
Caernarfon Airport is less than 6 miles away and has a terminal open for private aircraft. Liverpool John Lennon airport is just 90 miles away via the M56, A55 and A487. Manchester airport is 98 miles away via the M56, A55 and A487, approximately one and three-quarter hours' drive.
The nearest train station is Bangor, with trains from Chester, Crewe, Manchester, London Euston, Cardiff, and Holyhead (connecting to Dublin ferry). From London Euston (Virgin Trains) takes about 3 hours.
Caernarfon is easily reached from Ireland via the port of Holyhead, and an excellent road network. Take the A55 leaving J9 (first exit after crossing Britannia Bridge) onto A487 then follow signs for Caernarfon onto the A487 for 7 miles. Foot passengers, onward travel is available from Holyhead to Bangor by train and takes 30 minutes, and then Bangor to Caernarfon by bus 20 minutes.
From London (via Chester) or Cardiff, National Express operates a daily service to Caernarfon, with numerous pick up points along the way.
The town is also served by local bus routes, mainly from other North Wales towns. There are buses every 15 minutes from [wiki=ac8f954ce03d44471a04948fda2fc9aa]Bangor[/wiki] (nearest train station) - just check out Arriva Bus route 5. The route takes about 30 minutes, so getting to Caernarfon by public transport is definitely an option.
Local bus companies include Express Motors, Silver Star, KMP Llanberis, Arriva Cymru and Sherpa Buses (for Snowdonia).
Caernarfon's central bus station is called Penllyn.
. Situated within the medieval town walls, very close to the Castle. It is one of oldest Inns in North Wales and has recently been restored. The Inn has a unique character and atmosphere. Each bedroom has an en-suite bathroom. Reservations are strongly recommended as it can get busy.
* A large hotel in Caernarfon's city centre, it's also one of the more expensive establishments. This fills up in the summer months, so make sure you have reservations beforehand, although you may get lucky. This hotel is also a few blocks outside of the old town walls and a short jaunt away from the castle.
An array of accommodation options are dotted in and around the Caernarfon area comprising B&B's, Hostels and quality assured Self Catering facilities ranging from modern flats, purposely converted units on farm complexes to fully residential traditional Snowdonia farmhouse cottages.
* . A family-run hostel located just within the city walls.
* Large delightful Wales Tourist Board 'Excellent' accredited traditional Snowdonia Farmhouse. Self Catering Family and Group Accommodation with views to Mount Snowdon and the Sea.