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Routes
Cycling routes
United Kingdom
Wales
North Wales
Gwynedd

Mawddwy

The best cycling routes around Mawddwy

4.8

(109)

1,912

riders

57

rides

Touring cycling routes around Mawddwy are set within an Alpine-style landscape of steep, forested hillsides at the southern edge of Eryri (Snowdonia) National Park. The region features diverse terrain, including the flat Mawddach Estuary trail, challenging mountain passes like Bwlch y Groes, and scenic routes around Lake Vyrnwy and through the Dyfi Valley. This area offers a variety of experiences for different fitness levels, characterized by forests, moorlands, and prominent peaks.

Best touring cycling routes around Mawddwy

  • The most popular…

Last updated: May 10, 2026

5.0

(3)

15

riders

#1.

Llanbrynmair & Machynlleth loop from Dinas Mawddwy

59.2km

03:47

740m

740m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

6

riders

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Tips from the Community

Zoe Evans
February 2, 2026, Lake Vyrnwy Straining Tower

Lake Vyrnwys straining tower! Lovely place and gives it that fairy tale vibe. One of my special places is Vyrnwy.

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Best dragon in wales

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This car park is Free and it’s at the start of all the walks in the area!

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

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The Straining Tower at Lake Vyrnwy is an intake tower built to extract water from the lake. The tower stands on the north shore of Lake Vyrnwy, near the village of Llanwddyn, in Powys, Wales. The Lake Vyrnwy dam project was designed to provide a water supply to the city of Liverpool and work on the dam began in 1881. On its completion 11 years later, the lake was the largest reservoir in Europe and water was drawn from it into the straining tower and carried to Liverpool on a 110km-long aqueduct. The engineers for the project were Thomas Hawksley and George Frederick Deacon, although the straining tower was entirely Deacon's design. The tower is constructed in a Gothic Revival style, purportedly based on the tower of the castle at Chillon, Switzerland. It draws heavily on the contemporaneous work of William Burges, whose Cardiff Castle and Castell Coch are clear influences. The straining tower is a Grade I listed building.

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The Straining Tower at Lake Vyrnwy is an intake tower built to extract water from the lake. The tower stands on the north shore of Lake Vyrnwy, near the village of Llanwddyn, in Powys, Wales. The Lake Vyrnwy dam project was designed to provide a water supply to the city of Liverpool and work on the dam began in 1881. On its completion 11 years later, the lake was the largest reservoir in Europe and water was drawn from it into the straining tower and carried to Liverpool on a 110km-long aqueduct. The engineers for the project were Thomas Hawksley and George Frederick Deacon, although the straining tower was entirely Deacon's design. The tower is constructed in a Gothic Revival style, purportedly based on the tower of the castle at Chillon, Switzerland. It draws heavily on the contemporaneous work of William Burges, whose Cardiff Castle and Castell Coch are clear influences. The straining tower is a Grade I listed building

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Lake Vyrnwy (Welsh: Llyn Efyrnwy, pronounced [ɛˈvərnʊɨ] or Llyn Llanwddyn) is a reservoir in Powys, Wales, built in the 1880s for Liverpool Corporation Waterworks to supply Liverpool with fresh water. It flooded the head of the Vyrnwy (Welsh: Afon Efyrnwy) valley and submerged the village of Llanwddyn.

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Frequently Asked Questions

How many touring cycling routes are available in Mawddwy?

Mawddwy offers a wide selection of touring cycling routes, with over 50 options available. These routes cater to various preferences, ranging from easy rides to challenging mountain passes.

What are the difficulty levels of touring cycling routes in Mawddwy?

The touring cycling routes in Mawddwy offer a diverse range of difficulties. You'll find a few easy routes, over 20 moderate options, and more than 30 difficult routes, many featuring significant elevation gain through mountainous terrain.

Are there any challenging mountain passes for experienced touring cyclists?

Yes, Mawddwy is renowned for its challenging mountain passes. For experienced cyclists, routes like the Bwlch y Groes Pass – Lake Vyrnwy and Dam loop from Dinas Mawddwy offer significant elevation gain and panoramic views. Bwlch y Groes is known as the highest road pass in Wales, providing a formidable challenge.

Are there any flat or easy routes suitable for beginners or families?

While many routes in Mawddwy are challenging, the region also offers easier options. The Mawddach Trail, though not directly listed in the provided routes, is a well-known, largely flat, traffic-free path along the Mawddach Estuary, suitable for all ages and abilities. Within the Komoot selection, there are a few easy touring cycling routes available.

What kind of scenery can I expect on touring cycling routes in Mawddwy?

Mawddwy's touring cycling routes traverse an Alpine-style landscape, featuring steep, forested hillsides, and the southern edge of Eryri (Snowdonia) National Park. You can expect stunning views of the Mawddach Estuary, prominent mountains like Cadair Idris, and scenic stretches through forests, moorlands, and around Lake Vyrnwy.

Are there circular touring cycling routes in Mawddwy?

Yes, many of the touring cycling routes in Mawddwy are designed as loops, allowing you to start and finish in the same location. Examples include the Llanbrynmair & Machynlleth loop from Dinas Mawddwy and the Pont Minllyn – Domen Fawr loop from Y Gribin.

What do other touring cyclists say about the routes in Mawddwy?

The touring cycling routes in Mawddwy are highly regarded by the komoot community, with an average rating of 4.8 stars from over 100 reviews. Cyclists often praise the diverse terrain, the stunning natural beauty, and the challenging yet rewarding climbs.

Are there any notable landmarks or attractions to see along the touring cycling routes?

Yes, the region offers several natural landmarks and attractions. You might encounter sights like Llyn Cau and Llyn Cynwch, both beautiful lakes. The Lake Vyrnwy Dam is also a prominent feature on some routes, offering impressive views.

Can I bring my dog on touring cycling routes in Mawddwy?

While specific route regulations vary, many trails in the Mawddwy area, particularly those on public rights of way or designated cycle paths like parts of the Mawddach Trail, are generally dog-friendly. However, it's always recommended to keep dogs on a lead, especially near livestock or in nature reserves, and to check local signage for any restrictions.

When is the best time of year for touring cycling in Mawddwy?

The best time for touring cycling in Mawddwy is typically from spring through autumn (April to October). During these months, the weather is generally milder, and the stunning landscapes are at their most vibrant. Summer offers longer daylight hours, but spring and autumn can provide cooler temperatures ideal for challenging climbs.

Are there options for public transport to access touring cycling routes in Mawddwy?

Public transport options to Mawddwy are limited, as it is a rural area. Dinas Mawddwy, a central village, may have bus connections, but these are often infrequent. Cyclists typically rely on personal vehicles to reach starting points, though some routes might be accessible from larger towns with better public transport links, such as Machynlleth or Dolgellau, which are connected by the Mawddach Trail.

Where can I find parking for touring cycling routes in Mawddwy?

Parking is generally available in or near the main villages and trailheads in the Mawddwy area. For example, Dinas Mawddwy often has parking facilities. For routes along the Mawddach Estuary, parking can be found in towns like Dolgellau or Barmouth. It's advisable to check specific starting points for designated parking areas.

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