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Wales
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Llanidloes

Llyn Clywedog loop from Llanidloes

Hard

2.0

(1)

15

riders

Llyn Clywedog loop from Llanidloes

02:10

31.7km

510m

Cycling

Embark on a challenging touring bicycle ride around the Llyn Clywedog loop, starting from Llanidloes. This route covers 19.7 miles (31.7 km) and features a significant elevation gain of 1681 feet (512 metres), making it a difficult journey that takes approximately 2 hours and 10 minutes to complete. As you…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

254 m

Llani Bikes

Highlight • Rest Area

Llani Bikes bike hire and sales, spares and repairs. Opening Times
Tuesday – Saturday 10am – 4pm (closed Sunday).

Tip by

2

10.8 km

Hafren Forest Waterfall

Highlight • Trail

Hafren Forest is named after the Welsh name for the River Severn, Afon Hafren. A pretty trail through the forests leads to Hafren waterfalls. There are picnic areas and toilets in the forests.

Tip by

3

25.5 km

Llyn Clywedog

Highlight • Lake

Llyn Clywedog Lake. A beautiful place to stop and take in the view.

Tip by

B

31.7 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

31.1 km

485 m

< 100 m

< 100 m

Surfaces

17.2 km

13.9 km

485 m

131 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (400 m)

Lowest point (170 m)

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Weather

Powered by Foreca

Monday 25 May

29°C

15°C

17 %

Additional weather tips

Max wind speed: 10.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Llyn Clywedog loop from Llanidloes for touring cyclists?

This route is classified as difficult and requires good to very good fitness levels. It features significant elevation gains, including a gentle but long initial climb, undulating terrain, and two steep climbs near Llyn Clywedog. Some sections may be unpaved and difficult, potentially requiring you to push your bike.

What kind of terrain can I expect on the Llyn Clywedog loop?

The terrain is diverse, with a mix of mostly paved surfaces, quiet roads (around 43%), and general roads (around 19%). Be prepared for some unpaved sections and sharp, winding climbs, especially out of the Severn Valley and around the Bryntail lead mine area. The road around the lake itself closely follows the contours, offering a continuously varied ride.

What are the main scenic highlights along the route?

The loop offers exceptional scenery, including the beautiful Welsh hills, the expansive Hafren Forest, and the striking Llyn Clywedog reservoir. You'll enjoy views of the Upper Severn Valley and the picturesque town bridge area of Llanidloes. Don't miss the chance to see the Hafren Forest Waterfall.

Are there any specific viewpoints or historical sites to look out for?

Yes, there are several. You can find viewpoints overlooking the Llyn Clywedog Dam, offering great photo opportunities. A diversion to the deserted 19th-century Bryntail lead mine buildings is also recommended. For nature lovers, there's a chance to spot ospreys from a dedicated viewing hide near Hafren Forest between April and August.

Where can I park when cycling the Llyn Clywedog loop from Llanidloes?

Llanidloes serves as the starting point for this loop. While specific parking locations aren't detailed, you should look for public parking options within the town of Llanidloes to begin your ride.

Is the Llyn Clywedog loop suitable for families or beginner cyclists?

Given its classification as 'difficult' with significant climbs and varied terrain, this loop is generally not recommended for families with young children or beginner cyclists. It demands good to very good fitness levels and experience with challenging ascents.

What is the best time of year to cycle the Llyn Clywedog loop?

The route can be enjoyed in most seasons, but for the best experience, consider cycling between April and August when you might also spot ospreys from a dedicated viewing hide near Hafren Forest. Always check local weather conditions before you go, as Welsh weather can be unpredictable.

Are there any permits or fees required to cycle the Llyn Clywedog loop?

Based on available information, there are no specific permits or entrance fees required to cycle the Llyn Clywedog loop from Llanidloes, as it primarily uses public roads and trails.

Is the Llyn Clywedog loop dog-friendly?

While the route largely follows public roads and trails where dogs are generally permitted, it's always best to keep dogs on a leash, especially near livestock or in sensitive wildlife areas like Hafren Forest. Be mindful of the challenging terrain and distance if bringing a dog.

Does the trail intersect other well-known paths?

Yes, the route intersects with several other notable trails. You will find sections that overlap with the EuroVelo 2 - Capitals Route - part United Kingdom 2, Lôn Las Cymru (Central), Severn Way (1) Source to Shrewsbury, Trans Cambrian Way, and Glyndŵr's Way.

Are there any bike shops or facilities in Llanidloes?

Yes, Llanidloes is home to Llani Bikes, which can be a convenient stop for any cycling needs before or after your ride.

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