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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
AngelagbGB
Verified booking
solo_traveller
Standard Room
Stayed in Apr 3, 2026

"Centrally located for excellent visits… and we were so well looked after!"

10.0

Breakfast was cooked to order and well looked after with excellent service . Helpful information given about the local sights and nothing was too much trouble.

Can’t think of anything. Would stay here again and thoroughly recommend. Moyra, the host, went out of her way to be friendly, hospitable and helpful

Helpful?
B
BenjaminusUS
Verified booking
family_with_children
Standard Room
Stayed in Apr 2, 2026

"Exceptional"

10.0

Fantastic stay with wonderful staff, beautiful surroundings. The room was warm and clean and well provisioned with coffee, tea, soaps and towels. The bed was incredibly comfortable. Breakfast was fantastic, I loved this and will definitely stop by again. Side note, extremely good for a motorcyclist as there is out of sight parking giving you piece of mind that your bike is secure.

Helpful?
A
AshleygbGB
Verified booking
family_with_children
Standard Room
Stayed in Apr 1, 2026

"Lovely escape from the Hustle and Bustle in a Beautiful area of Wales"

10.0

The location of the Guest House is Perfect, 5 minutes away from Merthyr and Bike Park Wales right next to a historic reservoir but it could be a million miles away, its location is amazing, the Property is quiet and clean, the staff are so helpful around breakfast time. The room is also serviced, amazing for a property that is a B&B, price amazing value for money.

Nothing, the property does exactly what I expected.

Helpful?
A
AnjugbGB
Verified booking
family_with_children
Standard Room
Stayed in Apr 1, 2026

"Exceptional"

10.0

Staff were really accomodative and sooo nice. We will definitely visit and stay there again.

Nthg

Helpful?
T
TrevorgbGB
Verified booking
couple
Standard Room
Stayed in Mar 29, 2026

"Great place to stay."

9.0

Plenty of parking. Clean room. Comfortable bed. Good pressure from shower. Excellent breakfast. Friendly owner.

Helpful?
C
ChristiangbGB
Verified booking
couple
Standard Room
Stayed in Mar 22, 2026

"Excellent"

8.0
Helpful?
E
ecegbGB
Verified booking
extended_group
Standard Room
Stayed in Mar 20, 2026

"Excellent"

8.0
Helpful?
H
HemantinIN
Verified booking
family_with_children
Standard Room
Stayed in Mar 16, 2026

"Exceptional"

10.0
Helpful?
G
GarethgbGB
Verified booking
couple
Standard Room
Stayed in Mar 12, 2026

"Really good relaxing place to stay which sets you up for a good days walking."

8.0

Location is absolutely perfect for walking in the Brecon Beacons. The room was clean and comfortable, perfect for an overnight stop. Breakfast was excellent and the staff we're lovely.

Proper coffee and not just instant would have been good. But this is a very minor point.

Helpful?
G
GeoffgbGB
Verified booking
couple
Standard Room
Stayed in Mar 7, 2026

"Ideal position, for a short, sweet stay, where we were made to feel very welcome - lovely breakfast."

10.0

The host "Moyra" was very likeable and nothing was ever too much, the ladies (staff) we met at breakfast were both very cheery and the breakfast was lovely. Many thanks and we will be back some day. ;-)

NA

Helpful?
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