Black Boy Inn


The Black Boy Inn is a 16th-century building within Caernarfon’s historic town walls, with an award-winning onsite restaurant and bar serving hearty Welsh food and real craft beers in front of roaring log fires – a truly traditional experience for your UTMB race weekend.

Whilst updating the rooms to a high standard, the property has retained the unique character by using local, traditional building materials with handmade furniture. Black Jack’s is

The Black Jack Queen Suites are in a separate part of the Inn, located in a courtyard to the rear.  Sleeping up to 3 people in 1 queen bed and 1 single bed, they feature a flat screen TV, WiFi, and a mini kitchenette with cooking facilities, dining table and chairs. Rooms have a private bathroom, with hairdryer and complimentary toiletries provided.


  • Traditional Welsh Inn
  • Daily breakfast included
  • Award winning on-site restaurant

Your booking for this hotel also includes complimentary Race Entry Fee Insurance – this covers 85% of the fee you paid to enter the race, should you not be able to compete for a number of reasons, including injury or illness; vehicle breakdown; work relocation and more.  Cover starts from when you confirm your booking.  (See the full T&C’s HERE. Opt in required on the following pages)



  • WiFi
  • Breakfast Included
  • Restaurant and Bar Onsite


A 5-minute walk brings you to Caernarfon Castle and the centre of town, with your UTMB race start and finish lines approximately a 20 minutes’ drive away in neighbouring Llanberis.

Manchester and Liverpool International Airports are within a 2.5 hours’ drive, with the nearest train station – Bangor – approximately 12 miles from the town.

- Hotel