Llwyn-on Reservoir Dam – Aberdare to Hirwaun Cycleway loop from Forest Visitor Centre

Mountain biking trails

Llwyn-on Reservoir Dam – Aberdare to Hirwaun Cycleway loop from Forest Visitor Centre

Moderate

4.5

(4)

riders

Llwyn-on Reservoir Dam – Aberdare to Hirwaun Cycleway loop from Forest Visitor Centre

02:36

33.8km

550m

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: September 16, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Bus stop

Get Directions

5.19 km

Llwyn Onn Reservoir

Highlight • Structure

Smaller reservoir than others in the area, but with stunning landscape great off road paths to keep you away from the A470

Tip by

5.37 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

7.53 km

Gravel Path in Bannau Brycheiniog National Park

Highlight • Trail

17.8 km

Brilliant strip of traffic-free cycleway that links Aberdare near the train station to Hirwaun. It's pretty much flat, although you'll need to look out for debris like leaves and sticks in the winter months.

Tip by

21.4 km

View of Ruins and Woodland in Bannau Brycheiniog National Park

Highlight (Segment) • Historical Site

Would be a good thing to have sturdy walking boots as it's quite loose under foot.

Tip by

23.9 km

Penderyn Distillery

Highlight • Structure

The Penderyn whisky distillery was launched in 2004. They produce several different single malts and other spirits in three sites in south Wales. You can visit this distillery and take …

Tip by

28.9 km

Cwm Cadlan Nature Reserve

Highlight • Viewpoint

The small road runs from Penderyn in the west over the hill and down to Llwyn-onn Reservoir in the east. It's a nice ride avoiding the busier A4059 to the north.

Tip by

33.3 km