Llwyn Onn Guest House Merthyr Tydfil Exterior photoLlwyn Onn Guest House Merthyr Tydfil Exterior photoLlwyn Onn Guest House Merthyr Tydfil Room photo
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From105US$ /night
Check-in
03May2026Select date
Check-out
04May2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

Llwyn Onn, Merthyr Tydfil, United Kingdom, CF48 2HT
-
Near Joseph Parry's Ironworker's Cottage
Perfect
9.1
9.5
/10
4.6
4.7
/5

Featuring billiards and a golf course, the 4-star Llwyn Onn Guest House Merthyr Tydfil enjoys a perfect location, around 6 km from the castellated mansion "Cyfarthfa Castle". The inn offers Wi-Fi in the rooms and parking on site.

Location

Located approximately 10 minutes by car from the large Pontsticill Reservoir, this hotel is also approximately 20 minutes by car from Merthyr Tydfil railway station. You can find the 13th-century Morlais Castle, which is a great place to explore the area, 4.1 km from the Llwyn Onn Guest House Merthyr Tydfil.

There is the Brecon Mountain Railway within a 15-minute drive of the property.

For those travelling from afar, Cardiff airport is 54 minutes' drive away.

Rooms

Llwyn Onn Guest House offers 7 rooms with an iron and ironing board, as well as self-catering options such as tea and coffee-making facilities. The bathroom is equipped with a separate toilet and a shower, along with hairdryers and bath sheets.

Leisure & Business

Guests will appreciate horse riding tours arranged by this Merthyr Tydfil hotel.

Must-do experiences

  • Hike up Pen y Fan for stunning views of the Brecon Beacons.
  • Visit the Brecon Mountain Railway for a scenic steam train ride.
  • Try the traditional Welsh cake at The Red Cow Inn nearby.
  • Explore the unique Cyfarthfa Castle and its beautiful grounds.
  • Check out the local artisan market in Merthyr on weekends.
View all

Select your room type

Llwyn Onn Guest House offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Double Room Garden View
2 persons
220 sq. feet 
1 Double bed
Garden view
Shower
Heating
Executive Twin Room
2 persons
220 sq. feet 
2 Single beds
Shower
Heating
Executive Double Room
2 persons
220 sq. feet 
1 Double bed
Shower
Heating

Price and Room Availability Calendar

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Facilities

Llwyn Onn Guest House offers amenities for your comfortable stay and unforgettable experiences
Facilities: Perfect
9.1/10Review score

General

  • No smoking on site
  • Parking
  • No pets allowed
  • Rooms/ Facilities for disabled
  • Fire extinguishers

Sports & Fitness

  • Canoeing
  • Hiking
  • Horseback riding
  • Cycling
  • Golf course
  • Fishing

Guest Parking

  • Electric kettle

Business

  • Meeting/ Banquet facilities
  • Fax/Photocopying

Children

  • Cots
  • Board games

Spa & Leisure

  • Garden area
  • Leisure/ TV room

Room features

  • Free Wi-Fi in rooms
  • Heating
  • Sitting area
  • Patio
  • Terrace
  • Garden furniture
  • Tea and coffee facilities
  • Ironing facilities

Bathroom

  • Free toiletries

Self-catering

  • Electric kettle

Media

  • Flat-screen TV

Room decor

  • Carpeted floor
Show more

Llwyn Onn Guest House Location

Llwyn Onn, Merthyr Tydfil, United Kingdom, CF48 2HT
Map view
Llwyn Onn, Merthyr Tydfil, United Kingdom, CF48 2HT
Nearby
Llwyn-on Reservoir
2600 ft
Getting around
City Centre
Merthyr Tydfil10 min  ·  4.0 mi
Airports
Cardiff (CWL)94 min  ·  38.8 mi
Swansea (SWS)103 min  ·  42.3 mi
Train
Merthyr Tydfil Railway Station11 min  ·  4.2 mi
Cwmbach Train Station16 min  ·  6.5 mi
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Property information and rules
Check-in
from 16:00-20:00
Check-out
from 08:00-10:00
Guest Parking
Private parking is possible on site for free.
Internet
Wireless internet is available in the hotel rooms for free.
Breakfast
At the hotel Llwyn Onn Guest House guests are invited to a full breakfast served for free. 
Children & extra beds
Maximum capacity of extra beds in a room is 1. 
Pets
Pets are not allowed.
Number of rooms:
7

Reviews and Ratings

Feedback about Llwyn Onn Guest House from previous guests about their experience.
Review score
Based on 229 verified reviews
8.9/10
Great
93%
Recommend
Breakfast
9.4/10
Cleanliness
9.3/10
Comfort
9.4/10
Facilities
9.1/10
Free Wi-Fi
9.6/10
Location
9.4/10
Paid Wi-Fi
9.0/10
Staff
9.6/10
Value for money
9.2/10
Guest reviews
based on 429 reviews
9.1/10
No reviews yet on our siteUnfortunately, our guests have not yet left any reviews for this hotel, but you can read reviews from Booking.com.
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Check-in
03May2026Select date
Check-out
04May2026Select date
Rooms and Guests2 Guests, 1 Room