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9 / 10 Guest Rating

Llwyn Onn Guest House

Llwyn Onn, Merthyr Tydfil, gb

Llwyn Onn Guest House - main view

About the Property

Scenic Views and Tranquil Setting
Enjoy breathtaking views of the Llwyn Onn reservoir from our idyllic guest house located in the heart of the picturesque Brecon Beacons.

Award-Winning Accommodation
Experience luxury and comfort in our 4-star AA and Welsh Tourist Board awarded guest house, offering 11 modern en-suite bedrooms designed for your relaxation and convenience.

Perfect Blend of Business and Leisure
Whether you're here for work or relaxation, Llwyn Onn Guest House provides a warm and welcoming atmosphere, ideal for unwinding after a day of exploring the beautiful surroundings.

Come and escape to Llwyn Onn Guest House for a memorable stay in the stunning Brecon Beacons.

Facilities & Amenities

WiFi available
Free WiFi
Parking
Free Parking
Non-smoking rooms
Heating
Terrace
Garden
Hiking
Fishing

Important Information

Check-in & Out

Check-in
Check-out10:30 AM

Property Notes

When booking 4 rooms or more, different policies and additional supplements will apply. All requests for early check-in are subject to approval by the property.This property does not accommodate bachelor(ette) or similar parties. A deposit may be required at the property.

Check Room Availability

1 night · 2 adults

No rooms available

We couldn't find any available rooms for these dates and guests. Try adjusting your search criteria.

Guest Reviews

9
Exceptional688 verified reviews
AI Summary

Guests highly rate the friendly staff and frequently praise the great location.

Categories

Cleanliness9.1
Service9.1
Location9.2
Room Quality8.6
Amenities8.6
Value for Money9.1
Food and Beverage9.1
Overall Experience9.1

Select topics to read reviews

A
AHMEDsaSA
Verified booking
couple
Standard Room
Stayed in Nov 13, 2025

"Exceptional"

9.0

Amazing experience! The staff were incredibly friendly and helpful throughout my stay. The room well maintained, the service outstanding, and the overall vibe so welcoming. We'd definitely stay here again!

Helpful?
P
PaulgbGB
Verified booking
family_with_children
Standard Room
Stayed in Nov 12, 2025

"Have stayed before and will stay again"

10.0

Simply a lovely stay with friendly helpful host & staff

Everything is excellent

Helpful?
V
ValerieieIE
Verified booking
solo_traveller
Standard Room
Stayed in Oct 31, 2025

"Lovely welcoming B&B"

8.0

Clean, comfy bed, quiet house, tasty breakfast included, parking, easy check in, friendly staff.

Isolated location, traditional and dated common areas, steep stairs.

Helpful?
S
SarahgbGB
Verified booking
couple
Standard Room
Stayed in Oct 27, 2025

"Amazing weekend break"

10.0

The location was amazing to do lots of walking and exploring and somewhere warm and cozy to come back to after being out in the cold we climbed pen y fan early one morning and was packed. Bacon sandwiches and goodies for the trip by the hosts ! We also visited the visitor centre up the road for lunch and a great walk and the many reservoirs in the area and we also got a taxi to Merthyr Tydfil for a meal and drinks amazing stay x

Liked it all

Helpful?
Y
YinonlNL
Verified booking
couple
Standard Room
Stayed in Oct 24, 2025

"Exceptional"

10.0
Helpful?
E
EthelusUS
Verified booking
extended_group
Standard Room
Stayed in Oct 20, 2025

"Lovely place& the host was wonderful!"

10.0

Quiet and peaceful. Located in the Bannau Brycheiniog national park. Beautiful!

We arrived late and had to drive a little ways to get dinner.

Helpful?
N
NikkygbGB
Verified booking
family_with_children
Standard Room
Stayed in Oct 13, 2025

"Lovely guest house, not our first time staying and will be back perfect for pen y fan"

10.0

.breakfast is good property is quiet and we really love the location

Shower was a little difficult to get A good temperature

Helpful?
J
JoshuagbGB
Verified booking
couple
Standard Room
Stayed in Oct 12, 2025

"Lovely and relaxing will be back. Joshua and Katie room 4"

10.0

Would love to stay again soon amazing hosts and amazing place. Really felt like home and it was a completely strange place as we'd never been before ! Will be back!

Nothing. We liked everything !

Helpful?
R
RachelgbGB
Verified booking
family_with_children
Standard Room
Stayed in Oct 12, 2025

"Hosts were absolutely lovely, excellent breakfast!"

10.0

Clean, quiet, great location

Helpful?
R
RachelgbGB
Verified booking
couple
Standard Room
Stayed in Oct 11, 2025

"Exceptional"

9.0
Helpful?
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