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Hotel>Wales>Merthyr Tydfil>Merthyr Tydfil>Llwyn Onn Guest House
Exterior & Views 1, Llwyn Onn Guest House, Merthyr Tydfil
Bedroom 2, Llwyn Onn Guest House, Merthyr Tydfil
Bathroom 3, Llwyn Onn Guest House, Merthyr Tydfil
Food & Drinks 4, Llwyn Onn Guest House, Merthyr Tydfil
Others 5, Llwyn Onn Guest House, Merthyr Tydfil
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General Info
Reviews
Location
Accommodation Rules
About
Guest House

Llwyn Onn Guest House

Merthyr Tydfil, Merthyr Tydfil

Reviews

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4.7/5
FantasticFrom 100 reviews
5.0/518 May 2026
James • Solo Trip
Lovely stay, very friendly and communication was great. Thank you!
5.0/59 May 2026
Bryan • Couple Trip
Everywhere in Wales people have been friendly, but the cream of the friendliness was this place and their staff. They made you feel like family.
5.0/513 Apr 2026
Jeannette • Trip with Friends
Lovely fresh cooked breakfast, lovely staff
5.0/518 Jan 2026
Duncan • Couple Trip
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.
5.0/527 Aug 2025
Haim • Couple Trip
Nice clean large room. The fridge was a big bonus. Excellent shower which was much appreciated after a long day walking. We were led to believe from the hotel.com web site that there is Wifi only in public areas but in fact there was wifi all over the the guest house including the rooms. And it was super fast wifi. I was able watched Netflix on my ipad and all the football matches I wanted to watch. Moyra (the owner), is a lovely friendly lady, as her staff. Breakfast was fabulous, continental and cooked what ever you choose or both. We will definitely come back as we have few more walks to complete in the area. Thank you Moyra for a lovley weekend. Haim & Helen
5.0/512 Aug 2025
Kirsty • Couple Trip
Lovely accommodation, with friendly staff who were very polite and helpful. The room was very tidy and clean, the only con would be the mattress was slightly uncomfortable with old springs. We overlooked that as the property was perfect for us.
5.0/52 Aug 2025
Richard • Solo Trip
Lovely big house in a lovely area and the staff are so friendly and can't do enough for you. Was my 2nd visit.
5.0/512 Jul 2025
Jeff • Couple Trip
Great locally run property, staff were very friendly and the breakfast was great, recommend to anybody looking to get away and relax
5.0/52 Jul 2025
Martin • Family Trip
Ruhig aber trotzdem Central im National Park gelegen. Sehr freundliches Personal.
5.0/523 Jun 2025
Duncan • Couple Trip
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
5.0/53 Jun 2025
Clare • Family Trip
We thoroughly enjoyed our stay, proper old school feel and style that you don’t get any more. Never want to stay in a Travel Lodge again!! The staff were the highlight. Hurraaahhhh for Moira and her 2 lady helpers 🙌 Excellent breakfast. We will definitely stay again. Clare & Kevin Brooks
5.0/51 Jun 2025
Andrii • Couple Trip
Everything is wonderful
5.0/511 May 2025
Nicola • Trip with Friends
Hospitality excellent. Breakfast was cooked to order, and catered for my husbsnd who is coeliac. Rooms were veey clean.
5.0/523 Apr 2025
Waheed • Couple Trip
Lovely welcoming folks, had a great stay. Perfectly located for all that we wanted to see and do. Thank you!
5.0/516 Feb 2025
Claire • Trip with Friends
Amazing food and hospitality, very comfortable and clean room, definitely recommend
5.0/519 Jan 2025
richard
This was an amazing place with really friendly and helpful staff, would recommend to anyone
5.0/51 Nov 2024
Pete • Couple Trip
Great stay in a large room with comfortable bed. Breakfast was good. Relaxed atmosphere with friendly pleasant staff. We would happily stay here again.
5.0/519 Oct 2024
Jean • Couple Trip
In room heating left a bit to be desired & no bathroom exhaust fan evident.
5.0/513 Oct 2024
Claire • Family Trip
Absolutely amazing hospitality, wonderful host. Fabulous food. Great location for exploring the stunning countryside of the Brecon Beacons. Homely, comfortable rooms, highly recommend.
5.0/518 Aug 2024
Rob • Couple Trip
Nothing to dislike -everything was superb everybody made us so welcome ,lovely facilities ,will definitely book again

Popular Facilities

WiFi
WiFi
Parking
Parking
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Free Parking
Free Parking

Sports & Recreation

3
Cycling/Mountain Biking
Pool Table
Billiards

Public Facilities

1
Parking (Free)

Hotel Services

1
Multilingual Staff

Food & Drinks

1
Continental Breakfast

Info

1
No Elevators

Hotel Policy

1
Smoke-free Property

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1
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Connectivity

1
WiFi (Surcharge)

Location

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Llwyn Onn, Cwmtaf, Merthyr Tydfil, Wales, GB
All distances are measured in straight lines. The actual travel distance may be different.

Accommodation Rules

Check-in Procedure
Check-in4:00 PM-8:00 PM
Check-out10:30

  • 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

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

See more

Want to check in early? Fill out the Special Requests form on the booking page.

More Policies
  • This property's policy is to refuse certain bookings for the purpose of group events or parties, including pre-wedding stag/bachelor and hen/bachelorette parties.

About Llwyn Onn Guest House

Llwyn Onn Guest House Location
With a stay at Llwyn Onn Guest House in Merthyr Tydfil, you'll be within a 5-minute drive of Brecon Beacons National Park and Garwnant Visitor Centre. This guesthouse is 3.4 mi (5.4 km) from Cyfarthfa Park and Museum and 4 mi (6.5 km) from Joseph Parry's Cottage.

Llwyn Onn Guest House Facility and Service
This smoke-free guesthouse features mountain biking nearby.

Llwyn Onn Guest House Rooms
Make yourself at home in one of the 11 guestrooms.

Room Type and Price

Sun, 30 Aug 2026 - Mon, 31 Aug 2026 (1 night)
1 Room, 1 Adult, 0 Children