Sustrans Route 81:Aberystwyth - Rhayader

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Sustrans route 81 or "Lon Cambria" is an East-West cycle route which crosses the Cambrian Mountains and heads towards Shrewsbury and beyond.
From Aberystwyth the route runs along the old railway line and is completely traffic free for a large distance along the River Ystwyth towards the Cambrian Mountains.

Crossing the Cambrian Mountains is via a country lane and the route heads South towards Elan Valley which is predominantly traffic free. However if you wish to avoid this diversion then you can take route 818 which heads directly towards Llanidloes.

Observation by cyclists:
Ystwyth Trail sustrans 81 Traffic-Free section, south of Llanafan
"This section is steep (very steep in one short section) & has deep ruts, making difficult for a disabled-trike & hybrid bikes. It is annotated on the sustrans map as rough surface but its not clear how bad this section is, I suspect the ruts were caused by recent heavy rain. With “Hind-sight” we should have used the road but always prefer “traffic-free” routes"

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  • Description of route - Sustrans Route 81

Map & Directions

Road Directions

This cycle route begins in the town of Aberystwyth on the West Wales coast. It is largely traffic free as it heads east towards Pontrhydfendigaid. The route heads East across the Cambrian Mountains and heads South via the Elan Valley and Rhayader. However you can travel via route 818 which bypasses this and rejoins at Llanidloes.

Sustrans Route 81:Aberystwyth - Rhayader

Type:Cycle Route

Aberystwyth Town Centre, SY23 1LG

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