Forest Holidays Garwnant, Brecon Beacons
Forest Holidays Garwnant, Brecon Beacons, Merthyr Tydfil, CF48 2HU, United Kingdom- Yes
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Scenic Views and Tranquil Setting
Enjoy breathtaking views of the Llwyn Onn reservoir from our idyllic guest house located in the heart of the picturesque Brecon Beacons.
Award-Winning Accommodation
Experience luxury and comfort in our 4-star AA and Welsh Tourist Board awarded guest house, offering 11 modern en-suite bedrooms designed for your relaxation and convenience.
Perfect Blend of Business and Leisure
Whether you're here for work or relaxation, Llwyn Onn Guest House provides a warm and welcoming atmosphere, ideal for unwinding after a day of exploring the beautiful surroundings.
Come and escape to Llwyn Onn Guest House for a memorable stay in the stunning Brecon Beacons.
Check-in from
04:00 PM
Check-out by
10:30 AM
Parking
FREE
Children
Allowed
Pets
Not allowed
Sleeps
Up to 2 guests
2 adults · 1 children
Beds
Double bed (131-150 cm wide)
Room details
20 sqm
In-room amenities
Sleeps
Up to 2 guests
2 adults · 1 children
Beds
2 Twin bed (90-130 cm wide)
Room details
20 sqm
In-room amenities
1 Double Bed
Overlooking the lake
Bathroom - Partially open bathroom and shower
Practical - Highchair
Need to Know - No housekeeping
Non-Smoking
Sleeps
Up to 1 guests
1 adults
Beds
Double bed (131-150 cm wide)
Room details
Lake View
In-room amenities
Sleeps
Up to 2 guests
2 adults · 1 children
Beds
Double bed (131-150 cm wide)
Room details
20 sqm
Garden View
In-room amenities
Get answers about amenities, policies, and more — e.g. “Are pets allowed?” or “Is parking available?”
Provider-sourced guest reviews.
Good location. Good breakfast. Ample parking.
All good
Room was comfortable and very clean, breakfast was piping hot and lovely, staff couldn't do enough and were all really friendly
Nothing
Great breakfast, brilliant hospitality
Nice clean room with very friendly staff. Good value for money. Excellent breakfast.
Exterior looks a little bit tired.
Good location. Friendly, accommodating staff
Couldn’t get the shower cool enough to use (thermostat issue?)
Location was really good
There was issues with the shower water being too hot, practically burning 😅 Due to the fact that we were only staying one night, I mentioned it in the morning before checkout. The host said there shouldn't have been an issue so it could have been a one off. Hopefully they have fixed it as I actually was burning trying to shower.
la maison, la chambre
Great location after a hike! Staff were really friendly.
Issue with hot water - owner was fixing while there!
Host and staff were lovely
Breakfast was limited for vegetarians although I hadn’t made the property aware before arrival
Host was absolutely lovely as was the lady who helped with breakfast.The breakfast was hot and tasty.Will definitely come to stay again if in the area.
Fantastic guest house, lovely room and the owner made us feel exceptionally welcome.
Absolutely nothing. Everything was spot on.
The room itself was lovely and clean, the hotel manager was kind enough to give us a room even though booking.com messed up the booking. We were also given access to the garage to store our bikes which was nice. The hotel manager was a good person.
Booking.com cocked up the date and caused hours of problems before and afterwards. The hotel manager was pleasant but challenging to deal with, she is elderly and there was a language barrier, not her fault bless her but still difficult non the less. Breakfast started too late for us so we didn’t take part and the beds were really firm and uncomfortable, thats something personal to me though but either way I barely slept and woke up with aches and pains. The bathroom was mouldy around the shower and the wifi code was impossible to read, add that to the tv that didn’t work and no mobile internet signal and it’s a very boring evening for my 12 year old son. Also the fridge was very noisy but we just turned it off eventually.
Spotlessly clean. Super staff ... all so friendly.
We had a wonderful stay. The room was lovely and had everything we needed. The room was clean and the beds were really comfy. The breakfast experience was amazing! Yummy food, choice and hospitality was so lovely. Such friendly host and staff. We wanted to stay and chat all day! Plenty of parking and a lovely communal lounge. Situated in a quiet area with lovely views. Would highly recommend and will be back.
Excellent location to explore the Brecons. Staff and owner were super friendly. They really made my boy and I feel at home. The room was impeccable.
Er was een ontbijtkaart! Deels werd er ook bediend tijdens het ontbijt.
Niets viel tegen. Wel oogde de kamer gedateerd
Endroit chaleureux, personnel très sympathique, parking à proximité et gratuit, petit déjeuner bon et très copieux, chambre spacieuse
Belle chambre renouvelé et la propriété super gentil et amicale
Very clean and quality decorated - the staff were fantastic - super friendly and kind - good location - calm and peaceful - great breakfast and lovely environment
It was very hot ( not the fault of course of the owners ) but with climate change might need to factor that in - also while the bedroom was very clean and very good size - it's a pity the actual bed wasn't bigger as the room could have accommodated a larger bed
Nice place to stay no complaints
Le petit déjeuner est copieux et typiquement Welsh breakfast. La propriétaire Moyra est en super forme et ses collègues tout aussi adorables. Une matinée qui débute très bien
Attention à la douche de la chambre 5 : l’eau est brûlante
gentillesse du personnel chambre ok
un peu bruyant on est proche de la route et c'est un peu bruyant il n'y a pas de double vitrage On s'attendait à un emplacement dans la nature et finalement on etait tout à cote d'une route tres passante ce qui nous a un peu decu
Nous avons aimé Pas grand-chose , il est vieux . Il était propre.
L’eau de la douche était brûlante, impossible de la régler !!
Endroit idéal pour se ressourcer.
Latge comfortable room, wonderful cooked breakfast and lovely attention from Moyra the owner.
The room I was in had two settings on the shower: a dribble or scalding hot.
The guest house was cosy, rooms very well sized and comfy beds. It was located within breacon beacons national Park, and within 30 minutes drive of most popular attractions in the area. Breakfast is large but tasty, with meat free options and a steady supply of tea and coffee. The host was very caring, providing insights into local attractions and making sure we enjoyed our stay.
Das Frühstück war sehr gut und das Personal ist wirklich sehr nett. Außerdem ist die Ausgangslage ideal um in den Breacon Mountains zu wandern.
A great place to stay if you are planning on exploring the national park. Cardiff central is only about an hour drive away as well. Breakfast is also very nice.
Uitstekende ligging dichtbij verschillende wandelingen in de Beacons. Goed ontbijt. Vriendelijke eigenaars. Ruime parking.
Moeilijk om de temperatuur van het water van de douche te regelen. Lange haren op de vloer in de badkamer.
Die Lage ist für Wanderungen mit Autoanreise sehr gut. Die "englischen" Frühstücksteile (Eier, gebratene Tomate und Champignons...) werden frisch zubereitet. Das Personal ist sehr nett.
Die Dusche in der Badewanne hat kein kaltes Wasser und war in unserer Hitzeperiode zu heiß und daher nicht zu nutzen. Die nicht-englischen Frühstücksteile (Müsli, Saft, Toast, Obst...) waren unterdurchschnittlich.
Staff were ultra friendly. The breakfast was super lush. The property was in a fairly quiet location. Lots of pubs and restaurants around in nearby towns. Plenty of parking too. Would book again without hesitation. The owner, in her 80s, is an inspiration and her and her staff all sat down together for tea after breakfast, which was lovely to see. Very welcoming. Facilities in the room were great including fridge and TV.
Decor was slightly outdated but clean and tidy.
Everywhere was spotless. The rooms were of 5star hotel quality. Our room light and airy, very comfortable with tea and coffee making facilities.
Everything was excellent - no complaints.
Amazing staff and location. So much to do in the area. The host was an amazing lady.
The beds are a little bit hard for our liking. But might suit others.
Location was great, staff were really friendly, breakfast was cooked to order
Only issue for us as we were hiking and had no vehicle is the lack of food options in the evening without travelling to nearby towns
De eigenaresse en het personeel waren super vriendelijk. Ontbijt was heerlijk. Bedden slapen prima. Grote, koele kamer. Je kunt heerlijk buiten zitten voor het hotel.
Niets
Excellent location in the Beacons; nice house and gardens with plenty of parking. Pleasant, well-appointed room.
We had an unfortunate experience in the height of a heatwave in that the shower in our room didn't work properly so was boiling hot. After some discussion and thanks to one of the staff, Jackie, we were offered another, larger room. However, that shower also ran very hot so we resorted to using the bath taps instead. It would be nice to have somebody to 'meet and greet 'on arrival rather than keys and a note, especially if (as we had) there's a problem.
arrived at b&b temp 34 deg outside and walked into the hall to the room The temp dropped to about 16 deg the room was the same no fans or air con in the room it was cool all night managed to sleep all night. Breakfast was excellant choice of cooked breakfast full English or or as you require it cereal or toast coffee tea fruit juice yogurt
the bed was a bit hard & the sheets were tightly tucked in so you could not move but got round it the shower was to hot but the owner was getting the plumber in to fix
Perfect location for the Fan Dance
Quiet
Bathroom
A great little b&b. Lovely and quiet and peaceful. Close to some great walking and to eateries in Merthyr, 10 mins in the car either way for both. Lovely friendly staff and a great breakfast to start the day. Highly recommend it.
Nothing to dislike.
Breakfast
Clean and very friendly staff. Enjoyed our stay.
Bed was a little for my frame but that's me
Great freshly cooked breakfast. Instructions were well written
Bed a bit lumpy for me.
A clean and comfortable room. Very friendly and helpful staff A great breakfast.
Perfect location for the Brecons. Easy to find.
The heating in our room wasn’t on when we arrived but that was easily sorted. The water in the shower was very hot and for my wife only just bearable despite being on the coolest setting!
Cozy, Clean, Quiet, Warm, Great location and brilliant host. Moira and her team are excellent and immensely warm and welcoming.
None
Like the breakfast, the location and the people running the bnb were delightful!
There's not much to not like, has browns with the breakfast would be nice, but that wouldn't be very welsh.
Very welcoming, family run. Clean and comfortable, with good breakfast. Easy check in and check out.
Staff was very friendly and welcoming. Breakfast was delicious. And location great to explore local attractions.
Great location next to the reservoir, good sized rooms, good breakfast, accommodating hosts
Beds were uncomfortable and bedding felt very synthetic, room got too hot despite cool weather and the water in the shower was only boiling hot, room could have been cleaner too
Large comfortable room. Great breakfast. Quiet location.
Shower was too hot and was not able to adjust.
Breakfast was good quality and size, and served with a smile. The staff were friendly and kept talking to us about our stay when we saw each other. It was nice to talk to the owner who seemed to care deeply about her family business. The location was good, the bus stops in either direction we at the end of the track. Also the car park is round the back of the property which is good for peace of mind.
clean and tidy decent breakfast
shower water temperature was either very hot or scalding room very hot with no fan
Excellent freshly cooked breakfast. Parking on site. Perfect location for walking in the area.
Good base for surrounding area, great scenery and lots to do for days out.
Fantastic location
The room, parking and ease of access
Friendly and comfortable
Friendliness of the staff and close to town whilst being in the countryside.
Close to nice hikes in Brecon
Nothing
La gentillesse des hôtes, le petit déjeuner, la literie confortable
Lovely property, beautiful garden and excellent breakfast. Moyra and her staff were lovely too, we had a wonderful chat at breakfast and can’t wait to come back ✨
Nothing!
Clean and comfortable room, slept well. Attentive and welcoming staff. Lovely Welsh breakfast.
The shower temperature was too low for us even after letting it run a bit as suggested and would prefer a a shower head on a hose . Feel that the shower could be updated
Lovely view, well-kept garden and decor.
Super Ausgangspunkt zum Erkundern der Brennan Brecan Sehr süsse Gastgeberin Urig und freundlich
Moyra and her staff were very welcoming. The beds were very comfortable and the room was more like a hotel than a b and b.
Nothing!
We had a lovely stay, the place felt like staying with family the owner Moyra and her team were all so nice and charming. The room was very spacious and comfortable, there was good parking space in the yard and the breakfast was wonderful, cooked well with very good ingredients (my partner kept complimenting the quality of the sausages). Very short drive to go explore the Brecon Beacons, and other beautiful places in the area. Thanks Moyra and the team, all the best!
The owner, Mrs Evans was lovely. The breakfast was quality produce.”
The rooms were very dated, noisy fridge right beside the bed. Mattress moved when sat up in bed having a morning cuppa. Towels in bathroom were thin & frayed.
Friendly staff Clean property
None
Beautiful homely property. Great location to Brecons and other amenities. Comfortable bed. Efficient check in and check out. Lovely staff who went above and beyond, including the amazing host Moyra.
Nothing
Beautiful location with very comfortable stay. There was proper instructions provided with regards to checking up and the host was absolutely lovely. Will definitely go back again :)
n/a
Moira and her staff were absolutely lovely - they were very kind and made us feel at home
Nothing -
Breakfast was cooked to order and well looked after with excellent service . Helpful information given about the local sights and nothing was too much trouble.
Can’t think of anything. Would stay here again and thoroughly recommend. Moyra, the host, went out of her way to be friendly, hospitable and helpful
Fantastic stay with wonderful staff, beautiful surroundings. The room was warm and clean and well provisioned with coffee, tea, soaps and towels. The bed was incredibly comfortable. Breakfast was fantastic, I loved this and will definitely stop by again. Side note, extremely good for a motorcyclist as there is out of sight parking giving you piece of mind that your bike is secure.
Staff were really accomodative and sooo nice. We will definitely visit and stay there again.
Nthg
The location of the Guest House is Perfect, 5 minutes away from Merthyr and Bike Park Wales right next to a historic reservoir but it could be a million miles away, its location is amazing, the Property is quiet and clean, the staff are so helpful around breakfast time. The room is also serviced, amazing for a property that is a B&B, price amazing value for money.
Nothing, the property does exactly what I expected.
Plenty of parking. Clean room. Comfortable bed. Good pressure from shower. Excellent breakfast. Friendly owner.
Location is absolutely perfect for walking in the Brecon Beacons. The room was clean and comfortable, perfect for an overnight stop. Breakfast was excellent and the staff we're lovely.
Proper coffee and not just instant would have been good. But this is a very minor point.
The host "Moyra" was very likeable and nothing was ever too much, the ladies (staff) we met at breakfast were both very cheery and the breakfast was lovely. Many thanks and we will be back some day. ;-)
NA
Moyra and her team were extremely friendly, warm and inviting. Great breakfast, and convenient location. Thank you for a lovely stay
Had a lovely welcome in the morning after a late arrival . Warm clean room , slept very well and the breakfast was delicious xxx
What a fantastic find! Forget your premier inn and other impersonal hotels and book into this fabulous family run B&B. Beautiful place, welcoming, comfortable and everything you need for your stay. Lovely views and a safe place to stay with easy access to local villages and surrounding areas, walks and sites. We’d choose the fabulous, family run accommodation every time. Great team here - thank you X
Our short stay😢
Breakfast perfect staff interesting and friendly location was convenient for my needs
Nothing
We had a very comfortable room with a good view. Although the guest house is near a main road, this was very quiet overnight. The owner and her staff are very friendly and served up a cracking breakfast. You do have to drive a bit for an evening meal. There's a place a few miles along the main road, but we drove to the Red Cow in Ponsticill which does solid pub food and is pretty cheap for both drinks and food - recommended. But be aware the kitchen may close around 7.30 pm
The guest house was a great place to stay, the building had a lot of charm, plenty of on site parking, the room was comfortable and spacious. The full breakfast tasted amazing and was made up of good quality ingredients. The owner Moyra and staff were lovely and friendly and I would happily stay here again.
No evening meals are served here which is a shame as I'm sure they would be just as good as the breakfast but I understand why. It's a bit out of the way of any pubs or restaurants unless you drive so if you plan on having a few drinks you'd have to taxi it.
The personal touch at breakfast, very lovely ladies,
This is the second time I have stayed at this wonderful BnB, I came a few years ago after hiking Pen Y Fan and had such a wonderful stay when it came to coming back to hike again with my teenage daughter there was no question I would revisit Llwyn Onn and the lovely friendly Mora. It is a short distance by car from Pen Y Fan and so picturesque. Mora kindly arranged for the heating to be on so the room was nice and warm when we arrived after a long day of hiking. The room was spotless and we had a wonderful night sleep. We were greeted by the most wonderful lady for breakfast, which was delicious and myself and my daughter enjoyed a chat with her and a real giggle. Mora, even with an injured leg made an effort to come and say goodbye to us and meet my daughter. If you are looking for a warm and friendly stay in the area I highly recommend this BnB. A stay away isnt just about the property its also about the people who run it and I can promise you they are wonderful women to meet. Take good care Mora, Nancy and I will be back later this year.
Nothing negative at all!
The very kind and accommodating owner and staff. The amazing location and breakfast!
Everything was amazing.
What a lovely place with lovely staff and owner .
Lovely property in a great location. We were hiking in the nearby Horseshoe Ridge and found Llwyn Onn via booking.com, a great price for the night. The staff were amazing and the breakfast was fantastic. We would and will come back 100%
N/A
Free parking at the door. Really easy check in. Large bedroom and en-suite shower/toilet. Nice and warm. Sparkling clean. Great breakfast. Friendly and chatty staff (reminded me of the ‘Golden Girls’). 🎄great to see a Christmas tree up, just added to the warm atmosphere.
Breakfast has a narrow window, and at 08.15 to 09.15 is a little late. To turn this into a positive the ladies cooked my breakfast at speed. Great service 🥳
An excellent breakfast, as always. Moira and her wonderful staff could not have been more attentive. Always offering more and checking if all ok.
Amazing experience! The staff were incredibly friendly and helpful throughout my stay. The room well maintained, the service outstanding, and the overall vibe so welcoming. We'd definitely stay here again!
Simply a lovely stay with friendly helpful host & staff
Everything is excellent
Clean, comfy bed, quiet house, tasty breakfast included, parking, easy check in, friendly staff.
Isolated location, traditional and dated common areas, steep stairs.
The location was amazing to do lots of walking and exploring and somewhere warm and cozy to come back to after being out in the cold we climbed pen y fan early one morning and was packed. Bacon sandwiches and goodies for the trip by the hosts ! We also visited the visitor centre up the road for lunch and a great walk and the many reservoirs in the area and we also got a taxi to Merthyr Tydfil for a meal and drinks amazing stay x
Liked it all
Quiet and peaceful. Located in the Bannau Brycheiniog national park. Beautiful!
We arrived late and had to drive a little ways to get dinner.
Feedback themes are sourced from guest reviews provided by our data provider.
What guests love
Areas to consider
Cleanliness
9.14/10Guests frequently mentioned cleanliness and spotless conditions in their reviews.
Service
9.11/10The owner and staff were frequently described as friendly and accommodating.
Location
9.15/10Many guests highlighted the amazing location for hiking and exploring.
Room Quality
8.6/10Rooms were noted as comfortable but there were a few comments about temperature control.
Amenities
8.63/10Amenities were discussed positively, though some guests noted the lack of evening meals.
Value for Money
9.09/10Guests found the property to provide good value, especially for the quality of breakfast.
Food and Beverage
9.14/10Breakfast received frequent praise for its quality and variety.
Overall Experience
9.11/10Overall, guests expressed high satisfaction with memorable experiences.
Breathtaking Llwyn Onn Reservoir vistas frame your stay, with tranquil surroundings in the heart of the Brecon Beacons.
Experience 4-star AA and Welsh Tourist Board recognition across 11 modern en-suite rooms, designed for relaxation.
Enjoy the ease of complimentary parking on-site, helping you explore Merthyr Tydfil and beyond without hassle.