Hotels
United Kingdom
Merthyr Tydfil
Llwyn Onn Guest House
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39 photos
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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Check rooms and rates
From105US$ /night
Check-in
19Apr2026Select date
Check-out
20Apr2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

Llwyn Onn, Merthyr Tydfil, United Kingdom, CF48 2HT
-
Close to the Llwyn-on Reservoir
Perfect
9.1
9.5
/10
4.6
4.7
/5

Location

Llwyn Onn Guest House is situated near the scenic Brecon Beacons National Park, offering easy access to outdoor activities and stunning natural landscapes. The guest house is approximately 2 miles from Merthyr Tydfil and provides convenient routes to explore local attractions such as Cyfartha Castle and the Taff Trail. Guests can enjoy a peaceful environment while still being close to the vibrant culture of the nearby town.

Accommodations

Each room at Llwyn Onn Guest House features en-suite facilities and a flat-screen TV, offering comfortable and private spaces for relaxation. Rooms include an array of options, from singles to doubles, catering to various group sizes. Many rooms provide picturesque views of the surrounding countryside.

Dining

Guests can start their day with a hearty breakfast, featuring locally sourced ingredients and traditional Welsh fare. The dining area provides a cozy setting for meals, enhancing the overall experience. Lunch and dinner options are also available, highlighting the best of local cuisine.

Outdoor Activities

Llwyn Onn Guest House serves as a gateway to numerous outdoor activities including hiking and cycling in the Brecon Beacons. Guests can explore various trails or take advantage of the nearby lakes for fishing. The guest house also offers secure storage for bicycles, catering to cycling enthusiasts.

Amenities

The guest house provides private parking for all guests, ensuring convenient access during stays. A lounge area is available for relaxation, where guests can unwind after a day of exploring. Additional amenities include a garden space, ideal for enjoying the views and fresh air.

Highlights

Location: Near Brecon Beacons National Park

Accommodations: En-suite facilities in every room

Dining: Hearty breakfast with local ingredients

Outdoor Activities: Hiking and cycling in stunning landscapes

Must-do experiences

  • Hike the stunning Taf Fechan Forest for breathtaking views.
  • Indulge in a traditional Welsh cawl at The Brewhouse.
  • Visit Cyfarthfa Castle for history and beautiful gardens.
  • Discover the Merthyr Tydfil Heritage Centre for local culture.
  • Explore the vibrant Merthyr Market for unique local goods.
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
Room image
Double Room Garden View
2 persons
220 sq. feet 
1 Double bed
Shower
Heating
room details
Room image
Executive Twin Room
2 persons
220 sq. feet 
2 Single beds
Shower
Heating
room details
Room image
Executive Double Room
2 persons
220 sq. feet 
1 Double bed
Shower
Heating
room details

Price and Room Availability Calendar

Check availability and prices for your dates now!

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
  • Free 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
City landmarks
Landmark
Llwyn-on Reservoir
2600 ft
Landmark
Merthyr Cilsanws Golf Club
2.2 mi
Castle
Morlais Castle
2.6 mi
Castle
Cyfarthfa Castle
3.1 mi
Train Station
Brecon Mountain Railway
3.1 mi
Bridge
Pontsarn Viaduct
2.3 mi
Landmark
Taf Fechan Nature Reserve
2.3 mi
Church
St John's Church
2.5 mi
Golf Course
Morlais Castle Golf Club
2.9 mi
Landmark
Brecon Mountain Railway Co
3.0 mi
Landmark
Pontsticill Reservoir
3.1 mi
Landmark
St. Lukes Church
3.0 mi
Landmark
Joseph Parry's Cottage
3.6 mi
Landmark
Redhouse
4.0 mi
Bridge
Cefn Coed Viaduct
3.9 mi
Nearby
Llwyn-on Reservoir
2600 ft
Explore Merthyr Tydfil
Explore Cwmtaf's Exciting Offerings
Top Attractions
Activities
Dining
Entertainment
Llwyn-on Reservoir
Llwyn-on Reservoir
10 minutes' walk
Beautiful landscaped reservoir ideal for a scenic stroll, photography, and birdwatching.
Morlais Castle
Morlais Castle
10 minutes' drive
Ruins of a historic castle offering panoramic views, perfect for history buffs and photography.
Cyfarthfa Castle
Cyfarthfa Castle
15 minutes' drive
Victorian-era castle with a museum and beautiful gardens, ideal for a family outing.
Brecon Mountain Railway
Brecon Mountain Railway
15 minutes' drive
Scenic steam railway ride through the Brecon Beacons, providing a unique view of the landscape.
Hiking in Taf Fechan Nature Reserve
10 minutes' drive
Stunning trails for all levels amidst rich wildlife, with access via car. Bike rentals available nearby.
Golf at Merthyr Cilsanws Golf Club
10 minutes' drive
Challenging 18-hole course amidst lush scenery, experience for golfers of all skill levels.
The Dukes
10 minutes' drive
Cosy pub offering local ales and hearty dishes. Popular for its Sunday roasts and vegetarian options.
Bar 48
10 minutes' drive
Modern bar serving tapas and cocktails in a vibrant atmosphere, great for evenings out with friends.
Redhouse
Redhouse
15 minutes' drive
Creative arts centre hosting live performances and community events, family-friendly venue with varied programming.
Theatr Soar
10 minutes' drive
Local theater with engaging performances including drama and music, a great cultural experience for all.
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 230 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
9.7/10
Value for money
9.2/10
Guest reviews
based on 431 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.
Open reviews
FAQs
About Llwyn Onn Guest House
What is the check-in and check-out policy at Llwyn Onn Guest House?
Check-in is from 16:00 and check-out is by 10:30.
Is parking available at Llwyn Onn Guest House?
Free private parking is available on-site without the need for reservation.
Which nearby attractions can guests visit from Llwyn Onn Guest House?
Nearby attractions include Cyfarthfa Castle (5 km), Morlais Castle (10 km), and Aberdare Swimming Pool (8 km).
What on-site activities does Llwyn Onn Guest House offer?
Guests can enjoy fishing, golfing, hiking, and horseback riding on-site.
What amenities are included in the rooms at Llwyn Onn Guest House?
Rooms include free Wi-Fi, a flat-screen TV, tea/coffee making facilities, and free toiletries.
Are there any dining options at Llwyn Onn Guest House?
A complimentary breakfast is provided, and guests can enjoy local dining options nearby.
How far is Llwyn Onn Guest House from Cardiff Airport?
The hotel is approximately 57 km from Cardiff Airport, which takes about 54 minutes by car.
Does Llwyn Onn Guest House provide business services?
The hotel offers a meeting room and free high-speed internet access for business needs.
What kind of views can guests expect at Llwyn Onn Guest House?
Guests can enjoy picturesque views of the Llwyn Onn reservoir and surrounding nature.
What languages are spoken by the staff at Llwyn Onn Guest House?
The staff at the hotel speak multiple languages to assist diverse guests.
Are there any recreational spaces at Llwyn Onn Guest House?
There is a beautiful garden and terrace available for relaxation at the hotel.

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Check-in
19Apr2026Select date
Check-out
20Apr2026Select date
Rooms and Guests2 Guests, 1 Room
  • Overview
  • Rooms
  • Price calendar
  • Facilities
  • Location
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