United Kingdom Cwm Eigiau
Cwm Eigiau Bike Climb - PJAMM Cycling

9
PDI
2.3 mi
DISTANCE
1,151 ft
GAINED
9.6 %
AVG. GRADE
FULL CLIMB STATS
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INTRO

This is a rugged and fun climb with a quarter mile averaging 19%. 

Visit our Top UK and also our Top Wales hill climbs pages for photos, summaries and statistics for their respective top hill climbs. 

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CLIMB SUMMARY

one lane gravel roadway bordered by stone wall

Cycling Cwm Eigiau, Wales

Ride 2.3 miles gaining 1,157’ at 9.7% average grade.

This is a little known but wonderful bike climb in the far north of Wales.  We documented this climb because it was on the list of 10 Hardest Welsh Climbs Simon Warren (100 Greatest Cycling Climbs, UK)  gave us in advance of our second trip to cycle the amazing hills of the United Kingdom.

photo collage shows bike parked against stone wall, narrow, one-lane road at climb's start

Climb start.

If you are not Welsh, good luck with pronunciation of this steep incline! Cwm Eigiau is a road as narrow as they come that will take you through a number of homestead farms on the lower slopes.  One of the interesting features of this road is the tunnel of hedges as you start. Though it makes it very tough when you meet a large truck, it is such a fun aspect of this road.

narrow roadway lined by hedges at climb start

Run the gauntlet of trees and bushes at the start.

photo collage, white pony grazing in pastureland, switchback curve, stone wall running along roadway

gates along the climb route

Upper left photo is gate at mile 1.3; upper right photo is gate at mile 1.5.

About two-thirds of the way to the summit are two gates to contend with - but they are livestock gates, not private property-no-pass gates. Up past the houses, it will just be you, the pure Welsh landscape, and sheep - of course sheep!

sheep grazing in pastureland along climb route

Take extra care on the descent as nearly every corner is blind and drivers will likely not anticipate a cyclist barreling down at high speed.

sun streaming down through trees on climb

bike parked in tall grass along roadside at climb's finish

Climb’s Finish.

aerial view shows roadway stretching through pastureland at climb's finish

Aerial views of the finish of the climb.

aerial view shows roadway stretching through pastureland at climb's finish

Aerial view back towards the road we just climbed.