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Llwyn Onn Guest House

Llwyn Onn Guest House is in an idyllic setting overlooking the Llwyn Onn Reservoir in the heart of the Brecon Beacons National Park.

 

It has been converted to a high 4 star hotel standard accommodation with 11 en suite bedrooms. The front bedrooms overlook the gardens and the lake whilst the back and ground floor bedrooms have woodland views. There is also private off-road parking for our guests.

© Merthyr Tydfil County Borough Council 2025