Cat 4

Cefn Onneu from Gamlydan

Wales, wales

Cefn Onneu from Gamlydan covers 3.7km and 152m of climbing, reaching 519m at the summit. The average gradient of 4.1% disguises ramps of 8.8% — the kind of gradient that turns plans into prayers. Located in Wales, Wales.

  • Higher summit than 97% of climbs in Wales.
  • A false flat around km 1 offers brief respite before the road kicks up again.

Cefn Onneu from Gamlydan

Wales, wales

3.7km 152m 4.1%
4

Distance

3.7km

Avg Gradient

4.1%

Max Gradient

8.8%

Elevation Gain

152m

Summit

519m

Wall Rating

2.8

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What things cost

Typical prices in Wales

£3.50

Coffee

£4.80

Beer

£13.00

Meal

£1.30

Water

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Common Questions

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Nearby Climbs

Cefn Onneu from Llangynidr

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5.7km 410m 7.2%
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Rhyw Hill from Cwm

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Pen-y-rhiw from Crickhowell

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 7km away

Cefn Onneu from Crickhowell

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7.2km 454m 6.3%
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 7km away

Waunllapria via Quarry Road

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2.4km 217m 9%
3
 6km away

Waunllapria via Rhiwr Road

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1.6km 215m 13.2%
2
 6km away

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Constitution Hill via Bullin's Lane

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Bronwydd via Pendine Hill

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Tir y Fron Lane from Mold Road

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Cefn-yr-Owen uchaf from Abergwynant

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Caerphilly Mountain / Côte de Caerphilly

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