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Llwyn Onn Guest House

4.0 star property
Guesthouse with free breakfast, near Brecon Beacons National Park

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Photo gallery for Llwyn Onn Guest House

Exterior
Exterior
Lounge
Miscellaneous
Exterior

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
    ‪42 min drive‬
  • Airport, Cardiff (CWL-Cardiff Intl.)
    ‪51 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

9.4 out of 10
Exceptional
(3 reviews)
  • Sleeps 2
  • 2 Twin Beds

View all photos for Executive Double Room, Ensuite

Executive Double Room, Ensuite

Executive Double Room, Ensuite

9.6 out of 10
Exceptional
(10 reviews)
  • 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)
  • 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 welcomes guests with conveniences like free breakfast and 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 Castle - 41 min drive - 32.1 miles
  • Principality Stadium - 42 min drive - 32.5 miles
  • Cardiff Bay - 44 min drive - 33.3 miles

Getting around

  • Troed-y-Rhiw Station - 12 min drive
  • Cardiff International Airport (CWL) - 71 min drive

Restaurants

  • ‪Mango House - ‬5 min drive
  • ‪McDonald's - ‬6 min drive
  • ‪Park View - ‬7 min drive
  • ‪The Aberglais - ‬8 min drive
  • ‪Holvey’s Cafe - ‬8 min drive

About this property

Llwyn Onn Guest House

Guesthouse with free breakfast, near Brecon Beacons National Park
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.

Awards and affiliations

Eco-Certified Property
This property participates in Green Tourism Program, a program that measures the property's impact on one or more of the following: environment, community, cultural-heritage, the local economy.

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Property amenities

Internet

  • Available in some public areas: WiFi (surcharge)

Parking and transportation

  • Free self parking on site

Food and drink

  • Free breakfast available

Things to do

  • Billiards/pool table

Guest services

  • Multilingual staff
  • No housekeeping service

Business services

  • Meeting room

Accessibility

  • No elevator

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
  • 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.

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, Brecon Mountain Railway, and Penderyn Distillery. 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 Dec 14, 2025, prices found for a 1-night stay for 2 adults at Llwyn Onn Guest House on Dec 15, 2025 start from $109.19, excluding 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.

Does Llwyn Onn Guest House have a hot tub?

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 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.

Does Llwyn Onn Guest House have connecting rooms?

No, this guesthouse doesn't feature connecting guestrooms.

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.

Are there rooms with balconies at Llwyn Onn Guest House?

No, there aren't any accommodations with balconies at Llwyn Onn Guest House.

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