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United Kingdom
Wales
South Wales
Rhondda Cynon Taf

St Gwynno Forest

The best waterfall hikes and walks around St Gwynno Forest

4.4

(393)

3,468

hikers

14

hikes

Waterfall hiking trails around St Gwynno Forest traverse a landscape characterized by dense woodlands, meandering streams, and prominent reservoirs. The region features numerous waterfalls, such as Pistyll Goleu, which are integral to many hiking routes. Low hills like Carn y Pigwn offer elevated viewpoints, providing vistas over the surrounding area. This diverse terrain ensures a varied hiking experience for visitors.

Best waterfall hiking trails around St Gwynno Forest

  • The most popular waterfall hiking route is Nant Glydach Reservoir and Dam…

Last updated: July 7, 2026

5.0

(1)

32

hikers

#1.

Nant Glydach Reservoir and Dam – Waterfall loop from Llanwonno

6.53km

01:48

110m

110m

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

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Easy

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

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
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Tips from the Community

Richard
April 18, 2026, Daerwynno Outdoor Centre and Caban Guto

Cracking Cafe open, Sat Sun and Wed year round.

0

0

Cube 140
September 24, 2025, Llanwonno Forest Trail

cabin gito top cake and coffee open Wednesday and sunday

1

0

Bumble-Bee
December 30, 2024, Pen-Pych Waterfall

Resembling something which should be found in Iceland, Pen Pych waterfall is a series of cascades which tumble over a sheer sided sedimentary rock face. The base of waterfall is enveloped by a half amphitheatre cliffs which only adds to the waterfalls impressive appearance. Theres is no plunge pool at the base of the falls, instead the tallest section spills 21m onto number of boulders which have tumbled from the cliffs above in years gone by. The path will lead you to a large rocky viewing area to the right hand side of the falls beneath the cliffs. You can climb up to the base of the falls, if you do do that take care as the rocks can be very slippery. (https://ohwhataknight.co.uk/blog/pen-pych-mountain-and-waterfall-hike-guide)

4

0

OwainZ
July 22, 2024, Gravel Fireroad

New "gravel" been laid along part of this - tennis ball size gravel. Tough to ride on an MTB, might struggle on a gravel bike!

1

0

Beautiful waterfall with free parking easy trail up not to hard

1

1

Great views over Pen Pych and down into Rhondda Fawr

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On a clear day, from here you are rewarded with great views along the Rhondda Fawr valley

3

0

Frequently Asked Questions

How many waterfall hiking trails are there in St Gwynno Forest?

St Gwynno Forest offers a diverse selection of waterfall hiking trails. There are 14 distinct routes available, ranging from easy strolls to more moderate treks, ensuring options for various fitness levels.

What is the overall difficulty of waterfall hikes in St Gwynno Forest?

The waterfall hikes in St Gwynno Forest cater to a range of abilities. You'll find 4 easy trails perfect for a relaxed outing, and 10 moderate routes for those seeking a bit more challenge. There are no difficult trails listed, making the area accessible for most hikers.

What do other hikers say about the waterfall trails in St Gwynno Forest?

The komoot community highly rates the waterfall trails in St Gwynno Forest, with an impressive average score of 4.4 stars from over 330 reviews. Hikers often praise the varied terrain, the beauty of the woodlands, and the scenic reservoirs encountered along the way.

When is the best time to visit the waterfalls in St Gwynno Forest?

The waterfalls in St Gwynno Forest are beautiful year-round. After periods of rain, the cascades are particularly impressive. Spring and autumn offer vibrant foliage, while summer provides pleasant temperatures for hiking. Even in winter, the forest has a unique charm, though paths might be muddier.

Are there any circular waterfall walks in St Gwynno Forest?

Yes, many of the waterfall trails in St Gwynno Forest are circular, allowing you to experience diverse scenery without retracing your steps. A popular option is the Waterfall – Nant Glydach Reservoir and Dam loop from Penrhiwceiber, which offers views of the reservoir and cascading water features.

What kind of terrain can I expect on waterfall hikes in St Gwynno Forest?

The terrain on waterfall hikes in St Gwynno Forest is quite varied. You'll encounter dense woodlands, meandering streams, and paths around prominent reservoirs like Lluest-wen and Nant Glydach. Some routes also include low hills, such as Carn y Pigwn, offering elevated viewpoints.

Are the waterfall trails in St Gwynno Forest suitable for families with children?

Absolutely! St Gwynno Forest offers several family-friendly options. The Nant Glydach Reservoir and Dam – Waterfall loop from Llanwonno is an easy 4-mile trail that takes less than two hours, making it a great choice for families looking for a manageable and scenic walk.

Can I bring my dog on the waterfall hikes in St Gwynno Forest?

Many trails in St Gwynno Forest are dog-friendly, allowing you to enjoy the waterfalls with your canine companion. It's always recommended to keep dogs on a lead, especially around wildlife and livestock, and to check specific trail regulations before you go.

Are there easy waterfall hikes for beginners in St Gwynno Forest?

Yes, beginners will find several easy waterfall hikes. The Pen-Pych Waterfall – View of Rhondda Fawr Valley loop from Treherbert is an easy 3.6-mile trail that leads through varied terrain to the Pen-Pych Waterfall, perfect for those new to hiking.

Where can I park when visiting the waterfall trails in St Gwynno Forest?

While specific parking locations aren't detailed for every trail, St Gwynno Forest is a popular outdoor destination, and parking facilities are generally available near trailheads and key access points. It's advisable to check local signage or online maps for designated parking areas before your visit.

What interesting landmarks or viewpoints can I find near the waterfall trails?

Beyond the waterfalls themselves, you can discover several interesting landmarks and viewpoints. Highlights include the Llanwonno Forest Trail, and the View of the Brecon Beacons from St Gwynno Forest. From elevated points, you might even catch glimpses of the Bristol Channel on clear days.

Are there any less-known waterfall hikes in St Gwynno Forest worth exploring?

While popular routes like the Nant Glydach Reservoir loop are well-loved, exploring trails that venture deeper into the forest can reveal quieter spots. The Gravel Fireroad – Llanwonno Forest Trail loop from Llanwonno, though not exclusively focused on waterfalls, offers a moderate 6-mile hike through diverse woodland terrain, potentially leading to smaller, less-frequented cascades.

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