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Bike touring routes & trails

Pontsticill Reservoir – Pontsticill Reservoir loop from Cefn-coed-y-cymmer

Bike touring routes & trails

Pontsticill Reservoir – Pontsticill Reservoir loop from Cefn-coed-y-cymmer

Moderate

1.0

(1)

35

riders

Pontsticill Reservoir – Pontsticill Reservoir loop from Cefn-coed-y-cymmer

01:14

19.7km

220m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 21, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Bannau Brycheiniog National Park

Cwm Taf Fechan Woodlands Site of Special Scientific Interest

Waypoints

A

Start point

Bus stop

1

2.28 km

Pontsarn Viaduct

Highlight • Historical Site

Good ride

Tip by

2

2.36 km

Pontsarn Viaduct

Highlight • Monument

Pontsarn Viaduct was built in the 1860s to carry the Brecon and Merthyr Railway over the Taf Fechan river. The viaduct has seven arches and is situated in a very picturesque landscape.

Tip by

3

3.71 km

Miler Tunnel

Highlight • Structure

Old tunnel called miler

Tip by

4

7.68 km

West Shore Road, Pontsticill Reservoir

Highlight (Segment) • Trail

If you're not equipped for the gravel track on the East shore of Pontsticill Reservoir, the road on the West shore offers a fun tarmac alternative. A nice long straight …

Tip by

5

9.84 km

Pentwyn Reservoir

Highlight • Lake

Pentwyn Reservoir is the smaller sister to Pontsticill Reservoir, both being separated by a causeway going towards the old Dolygaer outdoor centre. It is a very popular spot with fishermen …

Tip by

6

10.3 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

7

13.5 km

Pontsticill Reservoir Dam and Tower

Highlight • Structure

This reservoir is located in the breathtaking Brecon Beacons of Wales. It is part of a series of reservoirs within the Taff Fechan Valley and was constructed between 1923 and …

Tip by

8

13.6 km

Pontsticill Reservoir

Highlight • Structure

Pontsticill Reservoir is a great location for its scenic beauty and because it is the start of many hiking and biking trails. There is a nice trail that actually goes …

Tip by

B

19.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

10.7 km

8.77 km

226 m

Surfaces

18.6 km

834 m

182 m

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Elevation

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

Highest point (360 m)

Lowest point (230 m)

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Weather

Powered by Foreca

Monday 5 October

18°C

12°C

32 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

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