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South Wales
Ceredigion

Tywi Forest

The best dog-friendly hikes and walks around Tywi Forest

4.4

(193)

1,628

hikers

6

hikes

Dog friendly hiking trails around Tywi Forest traverse a landscape characterized by vast conifer plantations, expansive open moorland, and river valleys carved by the River Tywi. The region features the Llyn Brianne Reservoir, with its notable dam, and surrounding hills that reach elevations just under 500 meters. Hikers can explore a network of forestry tracks and paths, offering diverse terrain from riverside trails to routes with views over the reservoir. These natural features provide varied environments for dog friendly walks.

Last updated: May 9, 2026

4.4

(16)

57

hikers

#1.

Llyn Brianne Dam Crossing – Llyn Brianne Dam loop from Rhandirmwyn Bridge

13.5km

03:48

270m

270m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

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Popular around Tywi Forest

O Fon i Fynwy — Exploring Wales on foot from top to bottom

Other adventures around Tywi Forest

O Fon i Fynwy — Exploring Wales on foot from top to bottom

Hiking Collection by

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Tips from the Community

Adam Suschitzky
December 29, 2025, Fallen Trees

Climb around the fallen trees

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Cwm R MTB trail is completely blocked at top end due to hundreds of wind fallen trees this winter. Please consider before as you can not navigate loop.

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Andy Bryant
February 4, 2025, Llyn Brianne Dam

A short climb up from the road brings you to the Dam and carpark, there is no access over the Dam itself. But you do get a good view over the spillway and valley below.

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Built in 1913 the Rhandirmwyn Bridge links the two sides of the Towy valley by this rivetted girder road bridge. On the southern side you'll find the Towy Bridge Inn, a lovely riverside pub.

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THE TALE OF THE WELSH “ROBIN HOOD” Known as Twm Siôn Cati Twm Siôn Cati is a historically known figure in Welsh folklore. A tale recounted by Meyrick recalls how Twm was asked by a poor man to steal a pitcher for him. They went together to a merchant where Twm started belittling the man's wares. Having told his friend secretly to take the pitcher of his choice, Twm distracted the merchant by telling him there was a hole in one of the pitchers, which the man denied. Twm desired him to put his hand in the pitcher to test it and the man still denied there was a hole. Twm then asked him how, if there was no hole, could he have put his hand inside? By this time his friend had disappeared with his pitcher, undetected. A tale from Prichard's book involves an occasion when Twm is staying in an inn overnight and realises other people are planning to rob him the following day after he sets off. He has a large sum of money with him. The following morning he behaves as though his money is in the pack-saddle of his horse. When the highwayman catches up, Twm drops the saddle in the middle of a pool. The highwayman wades into the pool to fetch it, Twm takes the opportunity to make off with the highwayman's horse. A complication arises because the horse responds to the voice of the highwayman crying "Stop!" Luckily Twm, in terror, happens to shout a word which makes the horse gallop on again, and he is conveyed to safety. Another tale recounts how Twm waylaid a rich squire, who was accompanied by his daughter, Twm was so smitten with her that he returned her jewellery to her and attempted to woo her, against her father's opposition and, initially, her own. One full moon shortly after the robbery, he crept to her window, roused her from sleep, caught her hand at the window and kissed it, refusing to let her go until she promised to marry him. She wouldn't promise so Twm drew his dagger, drew blood on her wrist and threatened to sever her hand unless she assented to marriage forthwith. She agreed to marry him and she kept her hand. Their marriage followed soon after, despite her father's views and the directness of Twm's courtship methods. The girl was supposedly the widow of the sheriff of Carmarthen. Through this marriage Twm is supposed to have gained respectability, eventually becoming a justice of the peace, sitting in judgement on others, a position he held until his death aged 79.

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Largest man made lake in mid wales

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This attractive RSPB site has a circular footpath adjacent to a river with beautiful rock cascades and old mossy trees. It is also home to the Twm Sion Cati's cave. All worth a look off of the bike.

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CLH
August 29, 2022, The Towy Bridge Inn

Fab but the roads over the top are NOT ROADS they are farm tracks. We had to carry our bikes over styles and push them through over animal tracks Would have broken a wheel otherwise However a fab experience none the less TIP: always check the pub is actually open and what time they close

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Frequently Asked Questions

How many dog-friendly hiking trails are available in Tywi Forest?

There are 6 dog-friendly hiking trails in Tywi Forest featured in this guide. These routes offer a variety of distances and difficulties, ensuring there's something suitable for you and your canine companion.

Are there specific rules for walking dogs in Tywi Forest?

While Tywi Forest is very dog-friendly, it's important to be mindful of livestock and wildlife, especially during lambing season or when ground-nesting birds are present. Always keep your dog under close control, and on a lead where indicated, to protect both your pet and the local environment. Respect any signage regarding dog access in specific areas.

What kind of terrain can I expect on dog-friendly trails in Tywi Forest?

The trails in Tywi Forest offer a mix of terrain, from wide forestry tracks to narrower paths through woodlands and alongside rivers. You'll encounter rolling hills, some moderate ascents, and diverse landscapes including conifer plantations, open moorland, and river valleys. Surfaces can vary from gravel to natural earth, so appropriate footwear for both you and your dog is recommended.

Are there any easy dog-friendly walks suitable for all fitness levels?

Yes, there are easy dog-friendly walks available. For instance, the Rhandirmwyn Bridge – The Towy Bridge Inn loop from Rhandirmwyn is an easy 4.5 km route with minimal elevation gain, perfect for a relaxed stroll with your dog.

Can my dog swim in any of the water features along the trails?

Many trails in Tywi Forest run alongside the River Tywi and its tributaries, offering opportunities for dogs to cool off. The area also features the stunning Llyn Brianne Reservoir. While dogs are generally welcome, always check local signage for any restrictions, especially around protected habitats or reservoir intake areas. Ensure water is safe and clean before allowing your dog to swim.

Are there circular dog walks available in Tywi Forest?

Yes, all the dog-friendly routes listed in this guide are circular, allowing you to start and end at the same point. This includes routes like the Llyn Brianne Dam Crossing – Llyn Brianne Dam loop from Rhandirmwyn Bridge, which offers a scenic loop around the reservoir.

What natural features or landmarks can I see with my dog in Tywi Forest?

You and your dog can explore a variety of natural features and landmarks. The impressive Llyn Brianne Reservoir and its dam are central to many routes, offering spectacular views. You might also encounter the River Tywi, known for its unique plant and wildlife. For historical interest, consider routes near the Strata Florida River Crossing or the area around the historic Strata Florida Abbey (though specific access for dogs within the abbey ruins may vary).

What is the best time of year to go hiking with my dog in Tywi Forest?

Spring and autumn are often considered the best times for hiking with your dog in Tywi Forest. Spring brings new growth and milder temperatures, while autumn offers beautiful foliage. Summer can be pleasant but ensure you carry enough water for your dog on warmer days. Winter hikes are also possible, but trails can be muddy or icy, so check conditions beforehand.

Are there any dog-friendly pubs or cafes near the trails in Tywi Forest?

The village of Rhandirmwyn, a common starting point for many trails, has local establishments like The Towy Bridge Inn, which is often dog-friendly. It's always a good idea to call ahead to confirm their current dog policy and opening hours before your visit.

Where can I park when visiting Tywi Forest with my dog?

Many of the trailheads in Tywi Forest, particularly those around Rhandirmwyn and Llyn Brianne, offer designated parking areas. These are typically well-marked and provide convenient access to the start of your hike. Always check for any parking fees or restrictions upon arrival.

What do other hikers enjoy most about dog-friendly trails in Tywi Forest?

The komoot community highly rates the dog-friendly trails in Tywi Forest, with an average score of 4.4 stars. Reviewers often praise the peaceful woodland paths, the stunning views of Llyn Brianne, and the sense of tranquility found in this beautiful Welsh landscape. Many appreciate the variety of routes suitable for different dog energy levels.

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