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Llwyn Onn Guest House

4.0 star property

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Photo gallery for Llwyn Onn Guest House

Exterior
Exterior
Miscellaneous
Exterior
Miscellaneous

Reviews

8.8 out of 10
Excellent

Popular amenities

  • Parking included
  • Business services

Explore the area

View in a map
Llwyn Onn, Cwmtaf, Merthyr Tydfil, Wales, CF48 2HT
  • Place, Brecon Beacons National Park
    ‪1 min walk‬
  • Place, Garwnant Visitor Centre
    ‪2 min drive‬
  • Place, Principality Stadium
    ‪57 min drive‬
  • Airport, Cardiff (CWL-Cardiff Intl.)
    ‪67 min drive‬

Room options

View all photos for Standard Single Room, Ensuite, Lake View

Standard Single Room, Ensuite, Lake View

Standard Single Room, Ensuite, Lake View

  • Lake view
  • Sleeps 1
  • 1 Double Bed

View all photos for Executive Twin Room, 2 Twin Beds, Ensuite

Executive Twin Room, 2 Twin Beds, Ensuite

Executive Twin Room, 2 Twin Beds, Ensuite

9.6 out of 10
Exceptional
(4 reviews)
  • Sleeps 2
  • 2 Twin Beds

View all photos for Executive Double Room, Ensuite

Executive Double Room, Ensuite

Executive Double Room, Ensuite

9.8 out of 10
Exceptional
(11 reviews)
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed

View all photos for Double Room, Ensuite (Garden View)

Double Room, Ensuite (Garden View)

Double Room, Ensuite (Garden View)

10.0 out of 10
Exceptional
(4 reviews)
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed

About the neighborhood

Merthyr Tydfil

Located within 2 miles (3 km) of Garwnant Visitor Centre, Llwyn Onn Guest House places you within a few miles (5 km) of Brecon Beacons National Park. This 11-room, 4-star guesthouse has conveniences like free self parking.
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What's nearby

  • Brecon Beacons National Park - 1 min walk - 0.0 miles
  • Garwnant Visitor Centre - 2 min drive - 1.7 miles
  • Cardiff Bay - 52 min drive - 42.4 miles
  • Cardiff Castle - 53 min drive - 32.7 miles
  • Principality Stadium - 57 min drive - 33.9 miles

Getting around

  • Pentre-bach Station - 12 min drive
  • Cardiff International Airport (CWL) - 71 min drive

Restaurants

  • ‪Park View - ‬7 min drive
  • ‪McDonald's - ‬6 min drive
  • ‪Costa Coffee - ‬6 min drive
  • ‪KFC - ‬5 min drive
  • ‪The Old Barn Tea Room - ‬18 min drive

About this property

Llwyn Onn Guest House

Llwyn Onn Guest House offers WiFi in public areas and a meeting room. A stay here includes free parking. Multilingual staff is on hand to answer questions.
The recreational activities listed below are available either on site or nearby; fees may apply.

Similar properties

Property grounds
Nant Ddu Lodge Hotel
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  • Pool
  • Hot tub
  • Breakfast included
  • Spa
8.4 out of 10, Very Good, 603 reviews
$88 nightly
The price is $106
Jun 21 - Jun 22
Total with taxes and fees
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Property amenities

Internet

  • Available in some public areas: WiFi (surcharge)

Parking and transportation

  • Free self parking on site

Things to do

  • Billiards/pool table

Family friendly

  • High chair

Guest services

  • Multilingual staff
  • No housekeeping service

Business services

  • Meeting room

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • No elevator
  • Well-lit path to entrance
  • Wheelchair-accessible registration desk

More

  • Smoking not allowed

Policies

Check-in

Check-in start time: 4:00 PM; Check-in end time: 8:00 PM
Early check-in subject to availability
Minimum check-in age: 18

Check-out

Check-out before 10:30 AM

Special check-in instructions

The host will greet guests on arrival
Information provided by the property may be translated using automated translation tools

Access methods

Host will greet you

Pets

  • This property doesn't allow pets

Property payment types

Important information

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards
Safety features at this property include a fire extinguisher
  • Check-in: 4:00 PM—-8:00 PM
  • Check-out: 10:30 AM
  • Minimum check-in age: 18
Driving? This property offers free parking.

We should mention

Details about charges, deposits, or other important information:

  • Charges for extra guests may apply and vary depending on the property's policy.
  • A cash deposit, credit card, or debit card for incidental charges, as well as a government-issued photo ID, may be required at check-in.
  • Special requests are subject to availability at the time of check-in and can't be guaranteed. Certain requests may come with additional charges.
  • This property accepts credit cards.
  • Onsite safety features include a fire extinguisher.

Additional information about polices, regulations, and more:

  • The guesthouse can refuse certain bookings for the purpose of group events or parties, which include pre-wedding stag/bachelor and hen/bachelorette parties.
  • There are no elevators.

Property is also known as

Llwyn Guest House
Llwyn Onn
Llwyn Onn Guest House
Llwyn Onn Guest House Merthyr Tydfil
Llwyn Onn Merthyr Tydfil
Llwyn Onn Guest House Guesthouse Merthyr Tydfil
Llwyn Onn Guest House Guesthouse
Llwyn Onn Guest House Guesthouse Merthyr Tydfil
Llwyn Onn Guest House Guesthouse
Llwyn Onn Guest House Merthyr Tydfil
Guesthouse Llwyn Onn Guest House Merthyr Tydfil
Merthyr Tydfil Llwyn Onn Guest House Guesthouse
Guesthouse Llwyn Onn Guest House
Llwyn Onn House Merthyr Tydfil
Llwyn Onn Merthyr Tydfil
Llwyn Onn Guest House Guesthouse
Llwyn Onn Guest House Merthyr Tydfil
Llwyn Onn Guest House Guesthouse Merthyr Tydfil

Frequently asked questions

What is there to do around Llwyn Onn Guest House?

This guesthouse is located in Merthyr Tydfil, close to Brecon Beacons National Park, Penderyn Distillery, and Sgwd Yr Eira Waterfall. You'll also find Cyfarthfa Park and Museum and Joseph Parry's Cottage within a short drive.

How much does it cost to stay at Llwyn Onn Guest House?

As of Jun 20, 2026, prices found for a 1-night stay for 2 adults at Llwyn Onn Guest House on Jun 22, 2026 start from $130, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

Will I be able to park at Llwyn Onn Guest House?

Yes, self parking is offered for free at the guesthouse.

Does Llwyn Onn Guest House include a casino at the property?

No, Llwyn Onn Guest House doesn't have a casino.

Is there an indoor pool at Llwyn Onn Guest House?

No, there is no indoor pool at this guesthouse.

Are there hot tubs at Llwyn Onn Guest House?

No, this guesthouse doesn't have a spa tub.

Does Llwyn Onn Guest House have a restaurant with a breakfast menu?

Llwyn Onn Guest House offers free continental breakfast though there is no restaurant.

Does Llwyn Onn Guest House allow pets to stay free of charge?

No, pets aren't allowed at Llwyn Onn Guest House.

Are there connecting rooms at Llwyn Onn Guest House?

No, there aren't connecting guestrooms at this guesthouse.

How close is the airport from Llwyn Onn Guest House?

The closest major airport to Llwyn Onn Guest House is Cardiff International Airport (CWL), which is about 27.6 mi away.

Can I book a room with a balcony at Llwyn Onn Guest House?

No, there aren't any accommodations at Llwyn Onn Guest House that offer a balcony.

Llwyn Onn Guest House Reviews

Reviews

8.8

Excellent

Rating 10 - Excellent. 137 out of 239 reviews
Rating 8 - Good. 72 out of 239 reviews
Rating 6 - Okay. 20 out of 239 reviews
Rating 4 - Poor. 7 out of 239 reviews
Rating 2 - Terrible. 3 out of 239 reviews

9.0/10

Cleanliness

9.0/10

Staff & service

9.0/10

Amenities

9.0/10

Property conditions & facilities

Reviews

Verified

10/10 Excellent

Duncan

Liked: Cleanliness, staff & service, amenities
Room was clean and fantastic with everything we could need. The owner and hosts were as helpful, friendly and kind as always. Great breakfast selection.
Stayed 2 nights in Jan 2026
Verified

10/10 Excellent

Jeff

Liked: Cleanliness, amenities, property conditions & facilities
Great locally run property, staff were very friendly and the breakfast was great, recommend to anybody looking to get away and relax
Stayed 1 night in Jun 2025
Verified

8/10 Good

Martyn

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Lovely staff, great quiet location central for pen y fan & the waterfalls. Excellent breakfast, thankyou great overnight stay.
Stayed 1 night in Jul 2025
Verified

10/10 Excellent

Ken

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent staff, great breakfast, worth a stay!
Stayed 1 night in Aug 2022
Verified

10/10 Excellent

Mary

Liked: Cleanliness, staff & service, property conditions & facilities
This is a fabulous B&B. I would recommend to anyone traveling in the area.
Stayed 1 night in Oct 2023
Verified

10/10 Excellent

Carmen

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Would definitely stay again
Stayed 1 night in Oct 2023
Verified

10/10 Excellent

Claire

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Fantastic guest house

Amazing food and hospitality, very comfortable and clean room, definitely recommend
Stayed 2 nights in Feb 2025
Verified

10/10 Excellent

Duncan

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Fantastic hospitality, room & food !

Amazing stay for looking around the local area and hills. The room was lovely, the hospitality was great and the food was fantastic. Will definitely be back
Stayed 2 nights in Jun 2025
Verified

10/10 Excellent

Philip

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The staff and owner were very polite and friendly great place to stay would stay again 👍💯
Stayed 2 nights in Jun 2024
Verified

10/10 Excellent

Andrew

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Lovely stay!

We really enjoyed our stay - the staff are so friendly and eager to help.
Stayed 2 nights in Aug 2023
Verified

8/10 Good

Bernard

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Nice spot for a staying exploring the Brecon Beacons. Would stay again.
Stayed 1 night in Apr 2023
Verified

10/10 Excellent

richard

Liked: Cleanliness, staff & service, property conditions & facilities
This was an amazing place with really friendly and helpful staff, would recommend to anyone
Stayed 1 night in Jan 2025
Verified

10/10 Excellent

Frances

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Lovely stay, very friendly,helpful staff and charming owner
Stayed 2 nights in Aug 2023
Verified

10/10 Excellent

Richard

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

A must visit in the area

Lovely big house in a lovely area and the staff are so friendly and can't do enough for you. Was my 2nd visit.
Stayed 1 night in Jul 2025
Verified

10/10 Excellent

Verified traveler

Liked: Cleanliness, property conditions & facilities, room comfort

Lovely stay

Friendly, quiet and comfortable with a lovely breakfast both mornings
Stayed 2 nights in Apr 2023
Verified

8/10 Good

Judith

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Very nice place to stay. Staff is very friendly
Stayed 3 nights in Feb 2023
Verified

8/10 Good

Jonathan

Liked: Amenities
We liked the self in service, it allowed us to be flexible about arrival times & we could come & go as we wanted Room was a good size & clean. It had everything we needed Breakfast was cooked fresh & staff very friendly & helpful. Guesthouse was in a lovely quiet & pretty area We would definitely stay there again
Stayed 1 night in Jul 2025
Verified

10/10 Excellent

Waheed

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Lovely welcoming folks, had a great stay. Perfectly located for all that we wanted to see and do. Thank you!
Stayed 3 nights in Apr 2025
Verified

10/10 Excellent

Brian

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Very nice guest house well maintained and run
Stayed 2 nights in Jul 2023
Verified

8/10 Good

Michaela

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Comfy Stay

We had a lovely stay. The bedroom (number 2) was well fitted, with a comfy bed and a mini fridge which was a great extra. Good breakfast and friendly staff. Would stay again if in area
Stayed 1 night in Feb 2025
Verified

10/10 Excellent

Nawaaz

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great property with really nice rooms. The staff are so friendly and amazing. Great place to stay away from the busy town and with easy access to the popular hiking trails of the beacons
Stayed 3 nights in Mar 2024
Verified

10/10 Excellent

Claire

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Fabulous stay in the Brecon Beacons

Absolutely amazing hospitality, wonderful host. Fabulous food. Great location for exploring the stunning countryside of the Brecon Beacons. Homely, comfortable rooms, highly recommend.
Stayed 2 nights in Oct 2024
Verified

8/10 Good

Caroline

Lovely guest house, spacious rooms. Very good breakfast.
Stayed 4 nights in Aug 2024
Verified

10/10 Excellent

Tammi

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

wonderful Brecon Beacons stay

Great stay - property was easy to find and very private, room was very comfortable and breakfast cooked to order as well as cold buffet was generous and delicious. We stayed here before riding the Brecon Beacons Railway and enjoyed a quiet evening and warm hospitality of our hostess.
Stayed 1 night in Sep 2023
Verified

10/10 Excellent

Sarah

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Excellent stay at Llwyn Onn

Very clean and comfortable with excellent service. Would highly recommend this establishment.
Stayed 3 nights in Sep 2022