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Llyn Clywedog

The best MTB trails around Llyn Clywedog

3.8

(15)

101

riders

17

rides

Mountain biking around Llyn Clywedog offers diverse terrain within the Cambrian Mountains of Mid Wales. The region features rolling hills, dense forests like Hafren Forest, and the expansive Llyn Clywedog reservoir. Trails often include significant elevation gains, with some routes climbing over 1,100 meters. The landscape is characterized by its natural feel, providing a mix of fast sections, tight turns, and technical singletrack.

Best mountain bike trails around Llyn Clywedog

  • The most popular mountain bike trail is Hafren Forest Lane…

Last updated: July 8, 2026

4.0

(3)

33

riders

#1.

Hafren Forest Lane – Hafren Forest Lane loop from Staylittle

37.4km

03:08

810m

810m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard
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Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

2

riders

14.7km

01:09

210m

210m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Popular around Llyn Clywedog

Cycling around Llyn Clywedog

Road Cycling Routes around Llyn Clywedog

Hiking around Llyn Clywedog

Running Trails around Llyn Clywedog

Gravel biking around Llyn Clywedog

Tips from the Community

Rowan
April 20, 2026, Hafren Forest Bunkhouse Water Resupply

tap was rusted shut when I was there last, but if someone is in you might be able to ask for some. The toilets down the road don't have running water taps.

0

0

From the gully to halfway along this section this is all very poached, windy and hike a bikey. Then you get over the hump of the hill and it all opens up. Hafren to your right with the first sight of Llyn Clywedog around the corner. Mid-Wales is a beautiful place to be on a sunny day, but bring some big and/or knobbly tyres and a good attitude whatever the weather.

0

0

Andy
October 7, 2024, Severn Break Its Neck

Some great gravel & MTB trails close by

0

0

Rowan
September 30, 2024, Hafren Forest Lane

Goes through several cwms so is undulating, but this is one of the most beautiful sections of road I've seen.

1

0

Running water for the toilets but no taps so no bottle refill. Understand there is a tap at the bunkhouse to the north.

0

0

From either side you've got a steep descent with a big drop off followed by a testing climb that might not be doable with luggage. If there wasn't a gate then maybe. Single track more gradually going up on the north side, possibly a sheep track or a cut by some adventurous cyclists?

0

0

Quite a deep ford with some slippery rocks. Take care when crossing by bike

0

0

Awesome place to ride a gravel bike.

1

0

Frequently Asked Questions

How many mountain bike trails are available around Llyn Clywedog?

There are 18 mountain bike trails documented around Llyn Clywedog, offering a variety of experiences for different skill levels. These include 3 easy routes, 12 moderate routes, and 3 difficult routes.

What kind of terrain can I expect on the mountain bike trails in Llyn Clywedog?

The terrain around Llyn Clywedog features diverse landscapes within the Cambrian Mountains, including rolling hills, dense forests like Hafren Forest, and expansive reservoir views. Trails often have a natural feel, with a mix of fast sections, tight turns, and technical singletrack. You can expect significant elevation gains on many routes, with some climbing over 1,100 meters.

Are there any easy mountain bike trails suitable for beginners or families?

Yes, there are several easy trails ideal for beginners or family outings. A good option is the Hafren Forest circuit, which is a 14.7 km route through Hafren Forest with a manageable elevation gain of around 214 meters.

Are there challenging mountain bike trails for experienced riders?

Absolutely. For experienced riders seeking a challenge, routes like the Nant y Moch Reservoir – Glaslyn Lake and Viewpoint loop from Staylittle offer a difficult 45.0 km ride with substantial elevation gain, exceeding 1,100 meters. This route provides panoramic reservoir vistas alongside its technical demands.

What are the typical lengths of mountain bike trails in the Llyn Clywedog area?

Trail lengths vary significantly, catering to different preferences. You can find shorter routes, such as the Hafren Forest circuit at 14.7 km, up to longer, more demanding rides like the Nant y Moch Reservoir – Glaslyn Lake and Viewpoint loop from Staylittle, which spans 45.0 km.

Are there circular mountain bike routes around Llyn Clywedog?

Many of the mountain bike routes in the area are circular, allowing you to start and finish at the same point. Examples include the Hafren Forest Lane – Hafren Forest Lane loop from Staylittle, a 37.4 km moderate route, and the Rhyd-y-Benwch, Hafren Forest – Hafren Forest Lane loop from Llanidloes, a 46.4 km moderate option.

What do other mountain bikers say about the trails in Llyn Clywedog?

The trails around Llyn Clywedog are highly rated by the komoot community, with an average score of 3.8 stars from 16 reviews. Riders often praise the diverse terrain, the natural feel of the trails, and the stunning views of the reservoir and surrounding forests.

Are there any notable landmarks or attractions to see while mountain biking around Llyn Clywedog?

Yes, the area offers several points of interest. You can see the impressive Clywedog Dam, the tallest mass concrete dam in Britain, and enjoy panoramic views from various viewing points around the lake, such as the Wynford Vaughan-Thomas viewing point. The remains of the Bryn Tail Mine workings are also a historical point of interest accessible via the Clywedog Gorge Trail. For more information on the area, you can visit Visit Mid Wales.

Is Llyn Clywedog a dog-friendly area for mountain biking?

While specific trail regulations for dogs can vary, the general area around Llyn Clywedog and Hafren Forest is popular with dog walkers. It's always best to keep dogs under control, especially near livestock or wildlife, and to check local signage for any restrictions on specific trails or protected areas. Many forest trails are generally suitable for well-behaved dogs on a lead.

Where can I find parking for mountain biking near Llyn Clywedog?

Parking is generally available at key access points around Llyn Clywedog and Hafren Forest. For routes starting near Staylittle or Llanidloes, there are often designated parking areas. It's advisable to check the starting points of specific komoot tours for detailed parking information.

What is the best time of year to go mountain biking in Llyn Clywedog?

The Llyn Clywedog area can be enjoyed year-round, but spring and autumn often offer the most pleasant conditions with milder temperatures and beautiful scenery. Summer is also popular, though trails can be busier. Winter riding is possible but be prepared for potentially wet and muddy conditions, and shorter daylight hours.

Are there cafes or pubs near the mountain bike trails in Llyn Clywedog?

While the immediate vicinity of Llyn Clywedog is quite rural, the nearby town of Llanidloes offers a charming base with cafes, pubs, and accommodation options. It's a good place to refuel before or after your ride. For more on Llanidloes, you can explore Visit Wales.

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