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Running trails & routes

Rhondda Cynon Taf

Gravel Fireroad – Llanwonno Forest Trail loop from Maerdy

Running trails & routes

Rhondda Cynon Taf

Gravel Fireroad – Llanwonno Forest Trail loop from Maerdy

Hard

11

runners

Gravel Fireroad – Llanwonno Forest Trail loop from Maerdy

03:06

26.6km

470m

Running

Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required. The starting point of the route is right next to a parking lot.

Last updated: August 21, 2026

Waypoints

A

Start point

Parking

1

3.97 km

View of the Brecon Beacons from St Gwynno Forest

Highlight • Viewpoint

Stunning panoramic viewpoint - from the tops above Bike Park Wales on the far right, through the Pen-Y-Fan central Beacons massive immediately ahead, then all the Fan's across to the …

Tip by

2

4.32 km

Gravel Fireroad

Highlight (Segment) • Cycleway

New "gravel" been laid along part of this - tennis ball size gravel. Tough to ride on an MTB, might struggle on a gravel bike!

Tip by

3

18.0 km

Daerwynno Outdoor Centre and Caban Guto

Highlight • Settlement

Tin Bridge

Tip by

4

19.5 km

Nant Glydach Reservoir and Dam

Highlight • Lake

Go there on a clear blue sky day...the views across the reservoir are fantastic, autumn colours further enhance the beauty. The late Victorian build of the dam and surrounding culverts …

Tip by

21.3 km

St Gwynno Forest

Forest

6

22.4 km

Llanwonno Forest Trail

Highlight • Forest

Oh if I'd had more time I would have carried on and ridden across and over to The Rhigos and down into Glyncorrwg on the National Cycle Network route. That's for next time then.

Tip by

B

26.6 km

End point

Parking

Way Types & Surfaces

Way Types

22.1 km

4.16 km

410 m

Surfaces

21.9 km

4.20 km

410 m

110 m

< 100 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 (460 m)

Lowest point (270 m)

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Weather

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Wednesday 21 October

12°C

5°C

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