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From105US$ /night
Check-in
14Jan2026Select date
Check-out
15Jan2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

Llwyn Onn, Merthyr Tydfil, United Kingdom, CF48 2HT
-
Near the Llwyn-on Reservoir
Perfect
9.0
9.5
/10
4.5
/5

Location

Llwyn Onn Guest House is situated in the scenic Brecon Beacons National Park, providing easy access to a variety of hiking trails. The guest house is a 10-minute drive from Merthyr Tydfil and a 20-minute drive from the historic landmark of Cyfarthfa Castle. Guests can also enjoy nearby outdoor activities, including cycling and fishing, making it convenient for nature lovers.

Rooms

The guest house offers a selection of six thoughtfully designed en-suite bedrooms. Each room comes equipped with heating and a flat-screen TV, catering to both comfort and convenience. Some rooms also include access to a private balcony that overlooks the picturesque landscape.

Dining

Llwyn Onn Guest House serves an extensive breakfast menu, featuring locally sourced ingredients for a genuine Welsh experience. Guests can enjoy a variety of options ranging from traditional full Welsh breakfasts to lighter fare. A cozy evening meal is available on request, allowing visitors to unwind with a home-cooked meal after a day of exploring.

Wellness

The property includes a well-maintained garden and outdoor seating areas for relaxation amid nature. Guests can take advantage of the onsite facilities for leisurely walks and getaways. The serene location fosters a peaceful environment, beneficial for mental wellness and relaxation.

Entertainment

The guest house provides easy access to nearby attractions, including the Merthyr Tydfil Leisure Centre which offers a gym, swimming pool, and various sports facilities. In addition, the area is home to several local pubs and restaurants where guests can immerse themselves in the local culture. Historical sites, such as the Royal Mint Experience, are also within driving distance, ideal for day excursions.

Highlights

Location: Brecon Beacons National Park

Rooms: Six en-suite bedrooms

Dining: Traditional full Welsh breakfasts

Wellness: Outdoor seating areas

Must-do experiences

  • Hike the Brecon Beacons for stunning mountain views and fresh air.
  • Visit Cyfarthfa Castle and enjoy its rich history and lovely grounds.
  • Savor a traditional Welsh breakfast at the local café, The Red Cow.
  • Explore the Merthyr Tydfil Leisure Centre for indoor fun and activities.
  • Check out the bustling Merthyr Farmers' Market for local produce.
View all

Select your preferred room

Choose from standard rooms, family suites, or deluxe options — with breakfast and flexible rates
Double Room Garden View
2 persons
20 m² 
1 Double bed
Shower
Heating
Executive Twin Room
2 persons
20 m² 
2 Single beds
Shower
Heating
Executive Double Room
2 persons
20 m² 
1 Double bed
Shower
Heating

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Hotel facilities and services

Each hotel provides modern amenities for a relaxing and pleasant stay

General

  • No smoking on site
  • Free Wi-Fi
  • 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

Location

Llwyn Onn, Merthyr Tydfil, United Kingdom, CF48 2HT
Map view
Llwyn Onn, Merthyr Tydfil, United Kingdom, CF48 2HT
Nearby
Llwyn-on Reservoir
770 m
Explore Merthyr Tydfil
Local Activities and Attractions
Top Attractions
Activities
Dining
Entertainment
Llwyn-on Reservoir
10 minutes' walk
Scenic waterside views ideal for picnics and short walks. A tranquil spot for relaxation and wildlife spotting.
Merthyr Cilsanws Golf Club
10 minutes' drive
Challenging golf course with stunning views of the valleys. Perfect for both beginners and seasoned golfers.
Cyfarthfa Castle
15 minutes' drive
Historic castle offering museum exhibits and beautiful parkland. Family-friendly with open grounds for exploration.
Brecon Mountain Railway
15 minutes' drive
Heritage steam railway featuring scenic rides through the Brecon Beacons National Park. A unique family attraction.
Hiking in Taf Fechan Nature Reserve
10 minutes' drive
Stunning hiking trails suited for all levels, featuring diverse landscapes and wildlife. Ideal for nature lovers.
Golfing at Merthyr Cilsanws Golf Club
10 minutes' drive
Unique golfing experience with breathtaking views. Club offers equipment rentals and facilities for all visitors.
The Brecon Grill
10 minutes' drive
Casual dining with a focus on locally sourced ingredients. Known for its hearty Welsh dishes and warm atmosphere.
The Redhouse
15 minutes' drive
Creative dishes in a vibrant space, featuring local beers and artisanal wines. Reservations recommended for dinner.
Redhouse
15 minutes' drive
Cultural venue with live music and performance arts. Offers events suitable for families and adults alike.
Merthyr Tydfil Theatre
15 minutes' drive
Local theatre showcasing plays, comedy, and live music. Family-friendly events and a cozy atmosphere.
Getting around the city
City Centre
Merthyr Tydfil10 min  ·  6.4 km
Airports
Cardiff Airport (CWL)94 min  ·  62.5 km
Swansea Airport (SWS)103 min  ·  68.5 km
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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
is available in 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
FAQs
About Llwyn Onn Guest House
What are the check-in and check-out times at Llwyn Onn Guest House?
Check-in at 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 reservations.
What internet access is offered at Llwyn Onn Guest House?
Guests can enjoy complimentary Wi-Fi throughout the property.
What room amenities can guests expect at Llwyn Onn Guest House?
Rooms include free toiletries, a kettle, a flat-screen TV with satellite channels, and coffee/tea making facilities.
Are pets allowed at Llwyn Onn Guest House?
Pets are not permitted on the property.
What activities can guests enjoy at Llwyn Onn Guest House?
Guests can participate in fishing, golf, hiking, and horse riding.
Which famous attractions are near Llwyn Onn Guest House?
Nearby attractions include Cyfarthfa Castle (5 km), Morlais Castle (7 km), and Aberdare Swimming Pool (10 km).
How far is Llwyn Onn Guest House from Cardiff airport?
The hotel is 65 km from Cardiff Airport, approximately a 54-minute drive.
Are there options for outdoor activities arranged at Llwyn Onn Guest House?
Local outdoor activities such as sailing, climbing, and caving can be arranged.
Can guests access communal areas at Llwyn Onn Guest House?
Yes, there are spacious communal areas for guest engagement.
What unique features does Llwyn Onn Guest House offer?
The guest house overlooks the Llwyn Onn reservoir and offers picturesque views and scenic walks.
Is smoking allowed at Llwyn Onn Guest House?
The property is entirely non-smoking.

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