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Routes
United Kingdom
Wales
South Wales
Merthyr Tydfil

Talybont Reservoir – Pontsticill Reservoir loop from Merthyr Tydfil

Routes
United Kingdom
Wales
South Wales
Merthyr Tydfil

Talybont Reservoir – Pontsticill Reservoir loop from Merthyr Tydfil

Hard

4.7

(3)

43

riders

Talybont Reservoir – Pontsticill Reservoir loop from Merthyr Tydfil

03:17

52.3km

850m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: September 24, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

A

Start point

Train Station

Get Directions

1.65 km

Morlais Brook

Forest

13.5 km

Pontsticill Reservoir

Lake

3

27.6 km

Talybont Reservoir

Highlight • Structure

Talybont Reservoir is a pretty epic lake nestled amongst the Beacons. The cycling trail around the east side of the lake is pretty bumpy, so if you’re on a road …

Tip by

4

29.6 km

Talybont Reservoir

Highlight • Structure

The largest reservoir in the Brecons, Talybont reservoir was completed in 1939. It supplies water to Newport, further south.

Seventeen dwellings (including farms) were co-opted during its construction.

Despite its …

Tip by

31.7 km

Talybont Reservoir Nature Reserve

Nature Reserve

6

37.0 km

Blaen-y-Glyn Climb

Highlight (Segment) • Trail

Blaen-y-glyn climb gives beautiful views of the Brecon Beacons on a clear day! Big descent on the other side! If you're not in a rush, pull over into the car …

Tip by

7

38.0 km

Taf Fechan Forest gravel track

Highlight (Segment) • Climb

A fantastic climb on a very good surface... I can imagine the descent being epic!

Tip by

39.9 km

Taf Fechan Forest

Forest

40.5 km

Pentwyn Reservoir

Lake

10

41.6 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

11

42.5 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

12

44.8 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

13

44.9 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

52.3 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

24.5 km

19.3 km

4.50 km

2.18 km

1.63 km

236 m

Surfaces

23.7 km

17.0 km

9.86 km

1.67 km

190 m

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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

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Tuesday 6 October

14°C

6°C

-- %

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

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