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Routes
Bike touring routes & trails
United Kingdom
Wales
Powys
Llanfyllin

Lake Vyrnwy Dam – Lake Vyrnwy and Dam loop from Llanfyllin

Routes
Bike touring routes & trails
United Kingdom
Wales
Powys
Llanfyllin

Lake Vyrnwy Dam – Lake Vyrnwy and Dam loop from Llanfyllin

Hard

5

riders

Lake Vyrnwy Dam – Lake Vyrnwy and Dam loop from Llanfyllin

02:29

36.7km

640m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 16, 2026

Waypoints

A

Start point

Parking

Get Directions

1

198 m

Llanfyllin Town Centre

Highlight • Settlement

Llanfyllin is a quaint market town in North Powys. It is a bit off the beaten track but this makes it an ideal centre to use as a base to …

Tip by

2

21.4 km

Lake Vyrnwy Dam

Highlight • Monument

This is brilliant peice of architecture thats still in use today, you can feel the sheer power of the flow of water down the dam one side, and the peace and tranquility of the lake the other.

Tip by

3

21.6 km

Lake Vyrnwy and Dam

Highlight • Bridge

Park at the very top of the Lake if arriving in a car. Note that some sections can get closed due to rock falls at the top of the Lake near the Waterfall Car Park.

Tip by

4

21.8 km

Vyrnwy Dam

Highlight • Lake

The Vyrnwy Dam features a road bridge atop its structure with 31 arches. The dam, notable for being the first with drainage tunnels to prevent pressure build-up, is further characterised by two small towers, each boasting four corner turrets.

Tip by

B

36.7 km

End point

Parking

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Way Types & Surfaces

Way Types

34.4 km

1.75 km

413 m

136 m

< 100 m

Surfaces

31.9 km

4.83 km

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Elevation

Elevation

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

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Weather

Powered by Foreca

Sunday 31 May

18°C

12°C

83 %

Additional weather tips

Max wind speed: 23.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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