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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

H
HarpergbGB
Verified booking
family_with_children
Standard Room
Stayed in Mar 2, 2026

"Exceptional"

10.0
Helpful?
S
StaceygbGB
Verified booking
extended_group
Standard Room
Stayed in Mar 2, 2026

"Exceptional"

9.0

Moyra and her team were extremely friendly, warm and inviting. Great breakfast, and convenient location. Thank you for a lovely stay

Helpful?
M
MarkgbGB
Verified booking
family_with_children
Standard Room
Stayed in Mar 1, 2026

"Exceptional"

10.0
Helpful?
P
PrashantgbGB
Verified booking
couple
Standard Room
Stayed in Feb 23, 2026

"Excellent"

8.0
Helpful?
B
BengbGB
Verified booking
family_with_children
Standard Room
Stayed in Feb 22, 2026

"Exceptional"

10.0
Helpful?
S
SarahgbGB
Verified booking
couple
Standard Room
Stayed in Jan 30, 2026

"We will be back 😁"

9.0

Had a lovely welcome in the morning after a late arrival . Warm clean room , slept very well and the breakfast was delicious xxx

Helpful?
R
RobertgbGB
Verified booking
couple
Standard Room
Stayed in Jan 27, 2026

"Exceptional"

9.0
Helpful?
H
helengbGB
Verified booking
couple
Standard Room
Stayed in Jan 25, 2026

"A Fantastic find, family run, excellent care and attention."

10.0

What a fantastic find! Forget your premier inn and other impersonal hotels and book into this fabulous family run B&B. Beautiful place, welcoming, comfortable and everything you need for your stay. Lovely views and a safe place to stay with easy access to local villages and surrounding areas, walks and sites. We’d choose the fabulous, family run accommodation every time. Great team here - thank you X

Our short stay😢

Helpful?
A
AdamgbGB
Verified booking
extended_group
Standard Room
Stayed in Jan 19, 2026

"Good value, comfortable, charming, friendly staff"

9.0

The guest house was a great place to stay, the building had a lot of charm, plenty of on site parking, the room was comfortable and spacious. The full breakfast tasted amazing and was made up of good quality ingredients. The owner Moyra and staff were lovely and friendly and I would happily stay here again.

No evening meals are served here which is a shame as I'm sure they would be just as good as the breakfast but I understand why. It's a bit out of the way of any pubs or restaurants unless you drive so if you plan on having a few drinks you'd have to taxi it.

Helpful?
N
NickgbGB
Verified booking
couple
Standard Room
Stayed in Jan 19, 2026

"A very enjoyable experience - would stay here again"

9.0

We had a very comfortable room with a good view. Although the guest house is near a main road, this was very quiet overnight. The owner and her staff are very friendly and served up a cracking breakfast. You do have to drive a bit for an evening meal. There's a place a few miles along the main road, but we drove to the Red Cow in Ponsticill which does solid pub food and is pretty cheap for both drinks and food - recommended. But be aware the kitchen may close around 7.30 pm

Helpful?