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Routes
Bike touring routes & trails
United Kingdom
Wales
South Wales
Brecon

3 Reservoirs loop: Talybont to Pontsticill to Llwyn-onn via Devil's Elbow — Brecon Beacons National Park

Routes
Bike touring routes & trails
United Kingdom
Wales
South Wales
Brecon

3 Reservoirs loop: Talybont to Pontsticill to Llwyn-onn via Devil's Elbow — Brecon Beacons National Park

Hard

5.0

(2)

45

riders

3 Reservoirs loop: Talybont to Pontsticill to Llwyn-onn via Devil's Elbow — Brecon Beacons National Park

05:26

78.1km

1,090m

Cycling

Embark on a challenging touring bicycle adventure through the Brecon Beacons National Park with the 3 Reservoirs loop. This difficult 48.6-mile (78.1 km) route, designed to take around 5 hours and 26 minutes, features a significant 3578 feet (1091 metres) of elevation gain. You will cycle past the beautiful Talybont,…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Brecon Beacons National Park

Waypoints

A

Start point

Parking

Get Directions

1

602 m

Brecon Canal Basin

Highlight • River

This is a beautiful canal basin forming the start of the Monmouth and Brecon Canal. It's a beautiful setting overlooked by Brecon Theatre, where there is a cafe/bistro. Meanwhile, on …

Tip by

2

13.4 km

Talybont Reservoir

Highlight (Segment) • Structure

A wonderful view across the water. Situated along the right hand side of the reservoir (looking up at it from the dam) there are two bird hides and a few small parking places.

Tip by

3

13.9 km

Talybont Reservoir Gravel Climb

Highlight (Segment) • Viewpoint

This gravelly climb is a great alternative to the road if you’re riding larger wheels. The trail itself is fine for road bikes with larger wheels or gravel bikes (I …

Tip by

4

25.6 km

Pontsticill Reservoir

Highlight • Structure

Built in 1927, the Pontsticill Reservoir is a large reservoir in the Brecon Beacons National Park that can hold 3400 million gallons (14,460 million liters) of water. The beautiful reservoir …

Tip by

5

32.1 km

Pontsarn Viaduct

Highlight • Historical Site

Good ride

Tip by

6

38.9 km

Llwyn-on Reservoir Dam

Highlight • Structure

Llwyn-on reservoir, built in 1926, covers 150 acres and is the largest of the three in the Taff Fawr Valleys area. Walking along the shore you can be immersed in …

Tip by

7

58.8 km

Devil's Elbow (Bannau Brycheiniog National Park)

Highlight (Segment) • Climb

Devils Elbow descent - Steep fast descent with 2 sharp switchbacks. Wouldn't like to climb it.

Tip by

8

67.9 km

Daudraeth Illtyd Nature Reserve

Highlight (Segment) • Natural

A nice smooth stretch of road passing through moorland with panoramic views. But watch out for those sheep in the road!

Tip by

B

78.1 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

55.9 km

7.92 km

7.73 km

6.22 km

463 m

Surfaces

59.2 km

7.92 km

7.92 km

3.02 km

147 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 (440 m)

Lowest point (130 m)

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Weather

Powered by Foreca

Thursday 7 May

15°C

6°C

47 %

Additional weather tips

Max wind speed: 16.0 km/h

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This route was planned by komoot.

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