Mountain bike trail Treharris Mid Glamorgan

Altitude Profile (86 ft to 1,716 ft)

Altitude range

1,631 ft

Total climb

2,227 ft

Total descent

2,274 ft

GPSies-Index 6 ClimbByBike-Index 42.5 Fiets-Index 0.78

About this track

Quality of track
19.58 miles
1383 (3 parts)
90 time(s)
47 time(s)


Fun factor
Description of track
round trip

19.58 miles

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Track simplification

Treharris to Pont y Gwaith. Here you pick up the Taff Trail (NR8) to Pentre-Bach via Abefan to warm up for the climb up the Gethin Forestry commision hill, there is one bit that goes up the Gethin downhill race route, which is tricky and very muddy in winter mostly forestry tracks untill the high speed desent into Mountain Ash on some rough track some farm track and single track where you pick up the Cynon Trail back to Abercynon then over the river Taff and re-join the Taff trail (NR8) backup to Quakers yard finnishing off with the hairpin bend footpath back up to Cardiff Road and Fox Street, Treharris


Mynydd Merthyr

Mynydd Merthyr is the name given to the broad ridge of high ground between Taff Vale (Welsh Cwm Taf) and the Cynon Valley (Welsh Cwm Cynon) in the Valleys region of South Wales. It forms the boundary between the unitary authorities of Rhondda Cynon Taff to the west and Merthyr Tydfil to the east. The high point of 493m is at Mynydd Gethin (OS grid reference SO 044025) (though the summit trig point is at the lower height of 491m) is the culmination of a long ridge which extends northwestwards from the confluence of the River Cynon and the River Taff at Abercynon. The ridge includes the subsidiary summits of Twyn Brynbychan and Twyn Sych. To the northwest lies Mynydd Aberdar. Much of the hill has been planted with coniferous forest. Its flanks are heavily scarred by mining.

More attributes
flat  hilly  solid  soft  rocky  offroad  path  singletrail  track  cycle path  onroad  gravel/dirt 

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Starting Coordinates

N 51°39.752' W 3°19.177'
N 51°39'45.149" W 3°19'10.625"
N +51.6625416 E -3.31961819

Ending Coordinates

N 51°40.028' W 3°18.795'
N 51°40'01.725" W 3°18'47.736"
N +51.6671461 E -3.31326019

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