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Mountain Biking:ClimachX at Beicio Mynydd Dyfi Mountain Biking

Mountain Biking, free entry

Dyfi Forest

Dyfi Forest

Dyfi Forest


The Climach-X trail resides in the southern section of the Dyfi forest, 4.6 miles north of Machynlleth near the village of Ceinws on the A487. There is ample parking at the trailhead but the approach ramp is steep and can often be inaccessible during winter.

The ClimachX Mountain Bike Trail is a 15km round trip, with 9km of built single track with compressions and whoops, rock slab drop offs and some beautiful flowing turns.

The last descent is the longest in Wales and features rocky jumps; watch out for the 'eye of the needle'; a huge jump with a narrow landing between two trees on the other side.

The finale is a sequence of eight huge berms following quickly after each other. Hit them high enough and fast enough and they ride really well, but don't look down!

There's also plenty of informal free-riding in the forest, but it isn't waymarked, so take a map or get a local guide.The Holey Trail bike shop in Machynlleth has maps of specific recommended routes in the Dyfi, and cross-country routes in the area.

The starting point is near the village of Ceinws. Just south of the village of Corris on the A487, look for a right hand turn with a bicycle symbol (signed Esgairceiliog). Park sensitively by the old single story forestry buildings. Please note this is a community trail run by Dyfi Mountain Biking.

Cycle Route: ClimachX

Access: Ceinws

Miles: 9

Children welcome

Open all the time


Free entry


Dyfi mountain biking club


SY20 8BL


Plan route to Beicio Mynydd Dyfi Mountain Biking using Google mapsPlan route using Google maps

Map reference: SH 745007  Lat: 52.58958 Long: -3.85384

Various mountain biking routes in and around Machynlleth and the Dyfi Valley


  • Children welcomeChildren welcome