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Llyn Clywedog

The best road cycling routes around Llyn Clywedog

5.0

(2)

204

riders

30

rides

Road cycling around Llyn Clywedog, situated in the Cambrian Mountains of Mid Wales, features an undulating landscape with significant elevation changes. The area is defined by the Llyn Clywedog Reservoir and Dam, surrounded by Hafren Forest and the valleys of the Rivers Severn and Wye. Road cycling routes often utilize quiet, single-track roads, providing a mix of paved and unpaved surfaces, with gentle but long climbs and occasional steep ascents.

Best road cycling routes around Llyn Clywedog

  • The most popular road cycling route is Machynlleth Clock Tower – Machynlleth Clock Tower loop from Staylittle, a 45.8 miles (73.7 km) difficult trail that takes 3 hours 29 minutes to complete, featuring substantial elevation gains through the Mid Wales landscape.
  • Another top favourite among local road cyclists is Llyn Clywedog – Old Brick Chapel Rest Stop loop from Staylittle, a moderate 18.6 miles (30.0 km) path that circles the reservoir, offering views of the dam and surrounding forests.
  • Local road cyclists also love the Llanidloes – Llani Bikes loop from Bwlch y Gle Dam, a 22.7 miles (36.6 km) trail leading through the varied terrain around Llanidloes, often completed in about 2 hours 2 minutes.
  • Road cycling around Llyn Clywedog is defined by the Llyn Clywedog Reservoir, Hafren Forest, and the Cambrian Mountains. The network offers options for easy, moderate, and difficult ability levels.
  • The routes in Llyn Clywedog are highly rated by the komoot community with an average score of 5.0 stars from a few reviews. More than 200 road cyclists have used komoot to explore Llyn Clywedog's varied terrain.

Last updated: July 8, 2026

10

riders

#1.

Llyn Clywedog – Llanidloes loop from Staylittle

30.2km

01:40

630m

620m

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

5.0

(1)

22

riders

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

8

riders

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Cycling around Llyn Clywedog

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Tips from the Community

Mattcliff
June 25, 2026, Clive Powell Bikes

Now Neil's Wheels!

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Sorted me out with fresh brake pads. Proper bike shop with almost everything you’d need.

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Andy
October 7, 2024, Nant y Moch Reservoir

A lovely place to ride in good weather but can be pretty grim in the wind & rain

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Stayed at The Wynnstay, perfect place to prepare for starting the Traws Eryri the following day...

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A beautiful stretch of the river

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Always great to view in reverse. especially when the sun strikes just at the right time.

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An excellent little rest stop out of the wind. very peaceful. Worth a visit.

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https://dolllyscaravancampsite.co.uk

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Frequently Asked Questions

What is the general terrain like for road cycling around Llyn Clywedog?

The terrain around Llyn Clywedog is characterized by an undulating landscape within the Cambrian Mountains. Cyclists can expect a mix of paved and unpaved surfaces, with quiet, single-track roads being common. The routes feature gentle but long climbs, with occasional steep ascents, particularly near the lake itself.

What are the difficulty levels of road cycling routes in the Llyn Clywedog area?

Llyn Clywedog offers a range of road cycling routes catering to various fitness levels. There are 2 easy routes, 20 moderate routes, and 12 difficult routes available. This variety ensures options for beginners and experienced cyclists alike.

Are there any challenging climbs for experienced road cyclists around Llyn Clywedog?

Yes, the Llyn Clywedog area is known for its significant elevation gains and challenging climbs. While many routes feature gentle but long ascents, there are also two notably steep climbs near the lake. For a demanding experience, consider the Nant y Moch Reservoir – Afon Dulas Climb loop from Y Fan, which includes over 2,300 meters of ascent over 128 kilometers.

What notable landmarks and viewpoints can I see while road cycling around Llyn Clywedog?

Road cyclists can enjoy several significant landmarks and viewpoints. The most prominent is the Llyn Clywedog Reservoir and its impressive Dam, Britain's tallest mass concrete dam. You can find panoramic views from "The Look Out" platform above the dam. Routes often pass through or alongside Hafren Forest, and you can also explore the historical Bryntail Lead Mines, located under the shadow of the dam. For more information on the reservoir and dam, visit Visit Mid Wales.

Are there any circular road cycling routes around Llyn Clywedog?

Yes, several circular routes are available, perfect for exploring the area. A popular moderate option is the Llyn Clywedog – Old Brick Chapel Rest Stop loop from Staylittle, which circles the reservoir. Another moderate choice is A loop of Llyn Clywedogg from Llanidloes, offering a scenic ride from the nearby town.

What is the best time of year for road cycling in Llyn Clywedog?

The Llyn Clywedog area offers beautiful cycling conditions, but it's best to consider seasonal weather. Spring and summer (April to August) generally provide milder weather and longer daylight hours, making them ideal. During these months, you might also spot ospreys in the area. Always check local weather forecasts before heading out, as conditions in the Cambrian Mountains can change.

Are there family-friendly road cycling routes suitable for beginners around Llyn Clywedog?

While many routes in Llyn Clywedog involve significant elevation, there are 2 easy routes available that might be more suitable for families or beginners. These routes typically feature less challenging climbs and shorter distances, allowing for a more relaxed cycling experience. Always check the route details for specific difficulty and terrain before setting out.

What do other road cyclists enjoy most about the Llyn Clywedog routes?

The komoot community highly rates the road cycling experience around Llyn Clywedog, with an average score of 5.0 stars. Cyclists often praise the quiet, traffic-free roads, the stunning big-sky views over the reservoir, and the immersive experience of cycling through natural woodlands and past historical sites like the Bryntail Lead Mines.

Is public transport available to reach the Llyn Clywedog area for cyclists?

Public transport options directly to the Llyn Clywedog reservoir itself are limited. Cyclists typically rely on personal transport to reach the starting points of routes. However, nearby towns like Llanidloes may have more public transport connections, from which you can cycle to the reservoir area.

Where can I find parking for road cycling in Llyn Clywedog?

Parking is generally available at various points around the Llyn Clywedog reservoir, particularly near popular viewpoints and trailheads. Specific parking areas are often signposted. It's advisable to check the starting point details of your chosen route for the most convenient parking options.

Are there any cafes, pubs, or accommodation options near Llyn Clywedog for cyclists?

While Llyn Clywedog itself is a natural area, nearby towns such as Llanidloes offer a range of cafes, pubs, and accommodation options. These establishments provide convenient places for cyclists to refuel, relax, and stay overnight. It's recommended to check local listings for specific amenities and opening times.

Are permits required for road cycling around Llyn Clywedog?

Generally, no specific permits are required for road cycling on public roads and designated cycling paths around Llyn Clywedog. However, if you plan to venture onto private land or specific trails, it's always best to check for any local regulations or access requirements.

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