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Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Merthyr Tydfil

View of Pontsticill Reservoir – Pentwyn Reservoir loop from Dowlais

Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Merthyr Tydfil

View of Pontsticill Reservoir – Pentwyn Reservoir loop from Dowlais

Moderate

5.0

(19)

38

riders

View of Pontsticill Reservoir – Pentwyn Reservoir loop from Dowlais

02:38

33.9km

530m

Mountain biking

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

Last updated: April 24, 2026

Tips

Includes a segment in which cycling is not permitted

After 24.6 km for 209 m

Waypoints

A

Start point

Bus stop

Get Directions

1

2.96 km

Taf Fechan River Bridge

Highlight • River

To access this area is a very steep incline and decline into this valley section 7- 9% gradient in either direction.

Tip by

2

6.96 km

Wooden Bridge in Bannau Brycheiniog Forest

Highlight • Bridge

Around a 6 mile circular peaceful easy for all accessibilities. The forest is so special gives a magical effect of walking through absolutely beautiful.

Tip by

3

7.68 km

View of Pontsticill Reservoir

Highlight • Viewpoint

Pontsticill Reservoir is one of many stunning Brecon Beacons reservoirs and can be found near to the village of Pontsticill in the county of Powys. It’s been in use since …

Tip by

4

8.65 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

5

9.27 km

Pontsticill Reservoir at Dol-y-gaer

Highlight • Viewpoint

Nice little descent down to the side of the Pontscill Reservoir.

Tip by

10.3 km

Pontsticill Reservoir

Lake

7

16.9 km

Torpantau Train and View of Pentwyn Reservoir

Highlight • Viewpoint

You can view the Torpantau train as it meanders along the mountain below you or stops to pick up passengers. I also recommend looking back at this elevation for a stunning view of the Pentwyn Reservoir.

Tip by

8

19.5 km

The Gap Trail Fork

Highlight • Viewpoint

Take the left fork to avoid the massive gully and replace it with an easy ramp. It also doesn't get as techy as that initial section until later on

Tip by

9

21.3 km

Taf Fechan Forest

Highlight • Forest

gradual Hill climb leading onto a 7% gradient. I have also taken photos of the local map.

Tip by

B

33.9 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

19.0 km

9.64 km

2.52 km

1.44 km

823 m

476 m

Surfaces

12.0 km

11.0 km

7.68 km

1.75 km

1.17 km

< 100 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 (300 m)

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Weather

Powered by Foreca

Sunday 17 May

11°C

5°C

83 %

Additional weather tips

Max wind speed: 19.0 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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