1. Llwyn Onn Guest House

- Location: Merthyr Tydfil
- Guest rating: 8.8/10 (Excellent, 241 reviews)
- Price: £93, includes taxes & fees, 26 Nov - 27 Nov, for Our top choices for Pen-y-cae luxury hotels
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Check prices for these dates, 12 – 13 December 2026









Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Use Expedia and let us help you arrange a flight to Cardiff International Airport (CWL) airport, and then select from different places to stay that will deliver the luxury you want. Amenities are important when you plan a trip, so we make it easy to find what you want to make your stay relaxing and comfortable. If you want an upscale hotel with a spa, an indoor pool or luxury bedding, Expedia can assist you in finding the best luxury hotel experience that Pen-y-cae has to offer.
Planning for the weather is an important factor for making your trip to Pen-y-cae a success, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 14°C, while the coldest months are January and February, with an average of 4°C. Average annual precipitation for Pen-y-cae is 1346 mm.
Enjoy Pen-y-cae with a stop at Craig-y-Nos Country Park, Henrhyd Waterfall and National Showcaves Centre for Wales. If you have a little extra time during your trip, you might want to make a stop at Sgwd Yr Eira Waterfall and Penderyn Distillery.