
Deiniolen Holidays
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Your Deiniolen Holiday
Renowned for its welcoming locals and spectacular views, Deiniolen is a fantastic getaway destination. Book one of our Deiniolen holiday packages and experience all that this exciting city has to offer. Fill your itinerary with tours of Yr Wyddfa, Caernarfon Castle and National Slate Museum, some of the things you really should see during your trip to Deiniolen. Browse Expedia's extensive range of travel options and begin planning your ultimate holiday to Deiniolen today.
Deiniolen Holiday
Deiniolen Essential Information
Language | Welsh |
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Currency | British pounds sterling |
Population | 1,400 |
Max Temp Winter | 4ºC |
Max Temp Summer | 13ºC |
Top Sights | Caernarfon Castle, Dolbadurn Castle and Caernarfon Airworld |
Our pick of the best Deiniolen Hotel Deals

The Seafront Hotel by Compass Hospitality
Reviewed on 29 Jul. 2025

The Marine Hotel
Reviewed on 1 Aug. 2025

Celtic Royal Hotel & Spa
Reviewed on 30 Jul. 2025
Discover the most popular places to visit in Deiniolen

Yr Wyddfa
Travel high above the clouds on foot or by train and visit the peak of the tallest mountain in Wales.

Caernarfon Castle
Patrol the battlements of a medieval fortress built by King Edward I in his campaign against the Welsh.
Gypsy Wood Park
Enjoy the mountain views and explore Gypsy Wood Park, a lovely green space in Caernarfon. Visit the top-notch restaurants or lively bars in this relaxing area.
What to do in Deiniolen

Small-Group Holyhead Shore Excursion Anglesey Highlights Tour
